As a member of Mayor Webb’s South Platte River Commission, Casey Davenhill engaged a crew from the Fresh Start School to become the strike force weed team helping to reclaim the dignity of the South Platte River in Denver.  They attacked weedy species and started a native plant propagation program at Denver’s City Greenhouse.  From there, Casey launched projects for AmeriCorps, Girl Scouts and Eagle Scouts on Cherry Creek.  Casey continues to enjoy leading educational hikes on Cherry Creek and its tributaries for children of all ages. Casey is an accounting professional (Metro State University) having worked with an international accounting firm and many natural resource mission nonprofit clients.  Casey is currently Executive Director of the Colorado Watershed Assembly, home of the Healthy Rivers Fund, and has coordinated educational outreach activities for the Cherry Creek Stewardship Partners for 25 years.

Joshua Rivero is the proud owner of Fika Coffee House in Parker, Colorado. Josh also has the honor representing the citizens of his beloved Parker as a Town Councilman. In his Elected role, Josh has the pleasure of serving many regional roles including as the current Chair of the Cherry Creek Basin Water Quality Authority.

Erin Stewart is a Senior Project Manager and the Leader of the Environmental Management team at LRE Water. She is an aquatic biologist and limnologist and has served as the water quality monitoring consultant for the Cherry Creek Basin Water Quality Authority for 7 years. Her background is in water quality monitoring and lake and reservoir management including; water quality sampling, fisheries, nutrient remediation, and nuisance vegetation and algae control. Her passion is evaluating complex watershed water quality dynamics and the downstream impacts on lakes and reservoirs; such as imbalances that can affect aquatic life or lead to harmful algae (cyanobacteria) blooms.

Jane Clary is a Vice President at Wright Water Engineers, where she has worked for 30 years on water quality, stormwater and regulatory issues. Jane currently serves as Technical Manager for the Cherry Creek Basin Water Quality Authority. Jane’s experience includes serving on the team updating the Mile High Flood District’s Storm Drainage Criteria Manual (Volume 3) and serving as a Principal Investigator on the long-term International Stormwater Best Management Practices Database project.  She also served on the Colorado Water Quality Control Commission from 2017-2020. Jane earned a B.S. in Economics from Vanderbilt University and a M.S. in Environmental Science from University of Colorado.

Elysa Owen earned her Bachelor of Science in Civil Engineering from the Colorado School of Mines in 2011. She began her career gaining experience in both design and construction, working on a wide range of drainage and civil engineering projects, from small-scale improvements to large multi-disciplinary projects.

She is the Co-Owner of Loewen Engineering, Inc., a firm founded in 2018 specializing in stream restoration, floodplain management, and stormwater quality projects throughout the Denver metro area.

Since January 2024, Elysa has also served as Pollution Abatement Project Manager for the Cherry Creek Basin Water Quality Authority (CCBWQA), where she helps lead the planning and delivery of the Authority’s capital improvement program.

Joe Juergensen is a Principal at Muller Engineering Company. He has worked in the Stormwater Group at Muller for 25 years. He is a Professional Engineer and has Bachelor’s and Master’s civil engineering degrees from Colorado State University. Joe has developed a passion for the Cherry Creek Watershed through his work on numerous stream restoration and water quality related projects along Cherry Creek and understands the importance of protecting this valuable natural resource.

Ricardo Goncalves, PE, (Rick) is the President of RG and Associates, LLC, a small civil consulting engineering firm, headquartered in Wheat Ridge, Colorado. He earned a Bachelor of Science degree in Civil Engineering with a specialty in Environmental Engineering from the University of Colorado in 1972 and has over 50 years of experience in the practice of civil engineering. 

Rick has been associated with the Cherry Creek Reservoir Water Quality issues for over 35 years, beginning with the the EPA mandated Clean Lakes Study, and with the Cherry Creek Basin Water Quality Authority since its inception. In his experience with the Authority, he has served in multiple roles as chairman of the original Technical Review Committee, chairman of the Technical Advisory Committee, as a board member, and currently a staff consultant as the Authority’s Water/Wastewater Coordinator, In-Park O&M Manager, Reservoir Destratification System O&M Manager and member of the Technical Advisory Committee.

Annette Quill has been the Senior Policy Advisor for the Water Quality Control Division at CDPHE since January 2025. Annette began her legal career in 1997 clerking for the Colorado Supreme Court. For the next 25 years, she served as counsel for the Water Quality Control Division as an Assistant Attorney General. Her first project at CDPHE was to spearhead the drafting of House Bill 24-1379, which set up the nation’s first state dredge and fill program in response to the Sackett decision. She’s currently part of the team guiding the stakeholder efforts for the Regulation 87 rulemaking.

Kelly Morgan is the Compliance & Enforcement Section Manager in the Water Quality Control Division at CDPHE. Kelly has 19 years of experience with clean water compliance and enforcement, with the past 9 years focused on staff management, setting strategic priorities and goals, and negotiating mutually beneficial resolutions to complex compliance problems. The Compliance & Enforcement Section is supporting the Regulation 87 rulemaking and is leading the Division’s efforts to establish a dredge and fill protection program in Colorado.

Noah Greenberg, PWS is a Senior Water Resources Scientist and Regulatory Specialist with Wright Water Engineers, Inc. (WWE). Noah holds a bachelor’s degree in biology from Colorado College and a master’s degree in ecology and evolutionary biology from the University of Colorado-Boulder. Noah manages and serves as a technical lead on projects involving Clean Water Act jurisdiction, Clean Water Act Section 404 permitting and compliance, water quality assessments (both functional and regulatory aspects), Clean Water Act Section 401 Water Quality Certification, Clean Water Act Section 402 discharge permitting, National Environmental Policy Act planning and review, ecological assessments, and habitat restoration.

Ashley Byerley is the Environmental Resources Manager for the Southeast Metro Stormwater Authority (SEMSWA) where she has worked since its formation in 2007.  She is especially interested in and passionate about advancing meaningful water quality.  A Colorado native, Ashley has spent her entire career within the Cherry Creek Watershed.  In her free time, Ashley likes to travel with her family.

Candice Owen is a water resources engineer and the Stormwater Quality Manager at Mile High Flood District (MHFD). She joined MHFD in this new role in 2024, but has worked in Front Range water quality for the past 12 years including as a MS4 coordinator and engineering consultant. She currently chairs the Colorado Association of Stormwater and Floodplain Managers (CASFM) Stormwater Quality Committee.

Katie Seefus is a senior hydraulic engineer specializing in flood control water management for the Corps of Engineers with nearly 20 years of experience.  She models rainfall and snowmelt runoff to make flood control reservoir regulation decisions at nearly forty tributary reservoir projects located in the northern three quarters of Missouri River basin.  Her primary responsibility is the flood control regulation at the Tri-Lakes Projects (Chatfield, Cherry Creek, and Bear Creek Dams).  Katie has been married to her husband Dave for over 15 years, she has two daughters in grade school who play soccer, volleyball, and golf, and a beloved dog named Chief.

Brent Dinkel is a limnologist with the U.S. Army Corps of Engineers, Omaha District, where he has served for nearly 12 years. He holds a Bachelor’s degree in Biology from the University of Nebraska–Lincoln and a Master’s degree in Biology from the University of Nebraska–Omaha. Brent oversees water quality monitoring across District reservoirs, tracking both current conditions and long-term trends to ensure compliance with federal and state standards. His work also supports the protection of infrastructure by identifying water quality conditions that may contribute to corrosion or other operational challenges. One of his current priorities is developing strategies to use Corps infrastructure to actively manage and reduce harmful algal blooms. Outside of work, Brent enjoys spending time with his wife of 13 years, Reagan, their energetic four-year-old daughter, and their spirited dog, Odys.

Alan Leak is the National Water Resources Practice Leader at RESPEC Company, LLC. and is the Technical Consultant to the Chatfield Watershed Authority.   In his over his 40+ year career, Alan has acquired and applied his extensive experience to all facets of water resources engineering including stormwater, water and wastewater, and water rights.  His current responsibilities include business development, project management, and leading teams of RESPEC employees in solving critical water resource engineering problems. Alan has been qualified as an expert in Colorado Water Courts and has given testimony on behalf of his clients before the Water Quality Control Commission. Alan is a native Coloradan, has been married for 43 years to his lovely wife Karen, has three grown children (two married), and has been involved in the Cherry Creek Watershed since the start of his career in 1982.

Michael Grabczyk is a professional engineer and certified floodplain manager with over 14 years of experience in civil engineering. He earned his Bachelor’s degree in Civil Engineering from Texas Tech University in 2011.

Michael spent his first eight years as a consultant, working on a wide range of land development projects from master-planned communities to commercial sites. For the past six years, he has served as a municipal project manager in the Denver Metro area, specializing in drainage, development, and infrastructure planning.

Michelle Seubert began her career at Cherry Creek State Park as a seasonal employee in 1989. She worked there for 11 summers before securing a full-time position. Michelle was fortunate to receive her first permanent assignment at Cherry Creek, only taking a six-month break to transfer to Castlewood before returning to Cherry Creek as the senior ranger. She then served as the park manager at Barr Lake for 15 years before returning once more to Cherry Creek as the park manager in August 2023. Michelle is excited to be back at Cherry Creek, where her journey with Colorado state parks began. She also served on the Barr Lake and Milton Reservoir Watershed Association board for over a decade and is grateful to continue her involvement in water quality issues through her role with the Cherry Creek Water Basin Authority.

Jenna Battson started as the Colorado Water Conservation Board's Outdoor Water Conservation Coordinator in April 2023. She manages the State's Turf Replacement Grant Program. She has spearheaded several studies and initiatives related to municipal outdoor water use in Colorado, including the 2025 Transformative Landscape Change State-of-the-Science Report as part of the Agency Actions of the Colorado Water Plan. Jenna has also led some of Governor Polis' initiatives, including the 2023 Urban Landscape Conservation Task Force, contributed expert testimony and educational updates to the Colorado General Assembly, and participates in multiple inter-agency coalitions to help advance water conservation and efficiency.

Steve Lundt (Director at Large) graduated from the School of Public and Environmental Affairs, Indiana University, in 1999. His first job was as an intern on Oswego Lake (Portland, Oregon), which allowed him to get hands-on experience with alum, hypolimnetic aeration, fish screens, and herbicide treatment for Brazilian Elodea. After 3 years he moved to Denver to work for Metro Wastewater Reclamation District. This career move allowed him to focus on more than one reservoir and to become more familiar with water quality regulations that affect lakes and reservoirs. He monitors and helps manage Barr Lake and Milton Reservoir. Over the years, he has been involved with the Indiana Lake Management Society, Oregon Lake Association, CLRMA, and NALMS.  He has been on the board of directors for BMW Association for 20 years and the Bluff Lake Nature Center for six years.

Maddy Martin is the education assistant for Cherry Creek State Park . She has called Colorado home for the past two years and is originally from New England. Maddy is an AmeriCorps alumni and has served with the Lakes Region Conservation Corps, American Conservation Experience, and the Environmental Education Corps.

James Linden is the Senior Environmental Specialist at Southeast Metro Stormwater Authority (SEMSWA) where he has been employed since 2021. James helps to oversee the implementation of, and compliance with SEMSWA's Municipal Separate Storm Sewer System (MS4) permits through programs such as construction oversight, pollution investigations, and education and outreach. James is also the Chair for the Splash Organization, SEMSWA's Education and Outreach Cooperative with Arapahoe County MS4 permittees. Outside of work, James is an avid hiker of Colorado's "Fourteeners" and leads his local neighborhood run club.

Lisa Knerr is the Environmental Program Manager at Arapahoe County where she has been employed since 2019. Lisa is responsible for ensuring that the County’s environment is protected while delivering programs and services for residents and visitors. Lisa is a member of several important organizations, including the Splash Organization, which is an education and outreach cooperative for municipal separate storm sewer system (MS4) permittees within Arapahoe County. Outside of work, Lisa loves to hike, bike, and garden. 

Jessica Thrasher is the Senior Program Manager at the Colorado Water Center, where she leads initiatives focused on water quality, access, and workforce development. She holds a bachelor’s degree in Sociology from Southern Methodist University and a master’s degree in Anthropology from Colorado State University. At the Colorado Water Center, she directs programs such as the Colorado Water Fellows Program, expands access to water resources and information, and develops resources to support the advancement of equity in the water field. She is dedicated to fostering collaboration, innovation, and diverse perspectives to build a sustainable water future for all.

Christine Fleming, Principal, Joe Shoemaker School - I am a dedicated and student-focused educational leader with a proven track record of visionary and innovative leadership in K-12 education. As the founding principal of Joe Shoemaker School in Denver, I have built a dynamic and inclusive learning community rooted in character development, authentic experiences, and a love for learning. With a Master of Arts in Educational Administration and over 20 years of experience in leadership roles, I specialize in advancing educational equity, designing high-quality instructional practices, and creating environments where students and teachers can thrive. My approach integrates data-driven strategies, collaborative leadership, and culturally responsive practices to ensure continuous improvement and academic excellence.

Megan Ryan, Assistant Principal, Joe Shoemaker School - My name is Megan Ryan. I have worked at Joe Shoemaker School since its opening in 2015, first as a teacher, then a coach/lead teacher, now as assistant principal. I went through the Stanley Teacher Prep Program. I am a CSU Ram and an East Angel. I am a Denver Native and proud of it, GO Broncos! In my free time I love to read, swim, and spend time with my family.  I love being a part of the Shoe Crew!

Cherry Creek Stewardship Partners:

The Cherry Creek Stewardship Partners is an informal association of a broad range of stakeholders interested in promoting effective stewardship of the Cherry Creek watershed.  The Partners provide a forum for bringing together stakeholders from the land use jurisdictions, the state and federal resource management agencies, conservation, recreation and historic preservation groups, and the business community.  The Partners emerged from the first Cherry Creek watershed conference forum held in 1999.  The Partners have since organized and presented 26 well-attended annual conferences.
The need for cross-jurisdictional coordination and communication on water quality issues in the Cherry Creek basin emerged as the number one priority at the October 2000 watershed conference - Shaping a Legacy for the Cherry Creek Watershed.  The Partners meet this need with extensive representation from local communities as well as being the first active group that engages the upper and lower portions of the watershed - both above and below the dam.
Welcome to the 27th Annual Cherry Creek Watershed Conference!

Cherry Creek Basin Water Quality Authority:

The Cherry Creek Basin Water Quality Authority (Authority) is tasked by Colorado’s Legislature with preserving, protecting and enhancing the water quality of Cherry Creek and Cherry Creek Reservoir, and achieving and maintaining water quality standards for the reservoir and watershed.

Goals

• Use effective stewardship to implement sustainable reservoir and watershed water quality management strategies.

• Implement an efficient and effective organization with the expertise to achieve results.

• Work with Member Entities and Stakeholders to enhance partnerships on water quality policies and projects.

• Continue to develop leading edge, innovative water quality solutions.

• Adapt as needed. 

Objectives

• Better understand reservoir and watershed dynamics and linkages.

• Identify the right “mix” of sustainable strategies that will preserve and enhance water quality for beneficial uses and/or prevent negative water quality impacts.

• Ensure that the Authority Board maintains an adaptable organizational structure and expertise so that it can efficiently identify, prioritize, and implement Authority initiatives, and respond to requests.

• Enhance partnerships with Member Entities and Stakeholders to leverage resources, resulting in improvement, protection, and/or preservation of water quality and beneficial uses, and prevention of negative water quality impacts.

• Effectively and efficiently participate in Regulatory Activities that impact water quality. 

• Continue as leader and laboratory.

Southeast Metro Stormwater Authority (SEMSWA): 

SEMSWA provides proactive resources and regulatory oversight to protect and enhance our floodplains and stormwater systems. 

Muller Engineering:

Muller’s wide range of services support our mission of creating better places where we live, work, and serve. Together, our experts help from the beginning stages of identifying project funding through planning, design, and construction of the important public improvement projects that our communities depend on. From highways and trails to streams and water/wastewater utilities, Muller’s talented team of engineers and technical staff deliver efficient, creative, cost-effective, customized, and context-sensitive solutions for our clients. We have been fortunate to work within the Cherry Creek Basin for the last three decades and are passionate about protecting it's valuable natural resources - we look forward to contributing to the preservation and restoration efforts within the Basin for decades to come.  Learn more about us at www.mullereng.com or follow us on Instagram, LinkedIn, and Facebook.

LRE Water, a Spheros Environmental Company

Integrated Water & Environmental Solutions from Source to Ecosystem

LRE Water, a Spheros Environmental Company, delivers science-based water resource planning, engineering, and policy solutions that help communities, utilities, and agencies manage water sustainably.

Our expertise spans groundwater modeling, water rights, aquatic ecology, and federal remediation. As part of Spheros Environmental, we have grown into a comprehensive environmental partner serving the Western United States and beyond. For decades, our team has advanced site characterization, remediation, and risk assessment. We also provide specialized biological monitoring, including fish and invertebrate assessments, to guide habitat restoration, regulatory compliance, and ecosystem health in sensitive aquatic environments.

These integrated capabilities position us to deliver holistic, resilient solutions at the intersection of water, environment, and communities.

RESPEC:

Engineering smarter ways and smarter worlds for major industry sectors, RESPEC is a global leader in diverse technologies and draws from a wide array of expertise, products, and services to deliver world-class solutions for business, mining, energy, water, natural resources, urban development, rural community development, infrastructure, and enterprise services. We answer thousands of technical questions from diverse clients with one simple answer: Yes, we can do that.   Our 100 percent employee-owned company employs more than 650 professionals in 35 offices across 15 U.S. states and 2 Canadian provinces. RESPEC’s Colorado offices have more than 50 employee-owners directly dedicated to water, wastewater, and stormwater engineering.   Over the past 40 years, our Colorado staff has completed more than 800 water and wastewater projects that have included on-call water and wastewater engineering services, water master planning, funding assistance, infrastructure improvements, water treatment process modeling, and regulatory support. In addition, in this same time frame, our Colorado staff has completed more than 300 stormwater projects, including water quantity and quality management plans, floodplain modeling and FEMA LOMC’s, and design of stormwater conveyance systems, detention ponds, water quality ponds, and channel and stream reclamation projects.

Arapahoe County Open Spaces:

Arapahoe County Open Spaces “works to preserve natural heritage areas, enhance neighborhood and regional parks and build and maintain trails.

Arapahoe County residents enjoy an open space system that offers nearby places to recreate, experience nature and get exercise. County open spaces, parks and trails:

• Promote healthy lifestyles, recreation, outdoor activities and exploration

• Protect the natural environment and contribute to the ecological health of wildlife and native plant species

• Protect floodplains and enhance water and air quality

• Conserve ranches and agricultural land for food production and wildlife habitat

• Preserve heritage and history

• Attract businesses, visitors, new residents and community investment

Aurora Water:

Aurora Water’s mission is to deliver safe, reliable, high-quality and sustainable water, sewer and stormwater services.
We serve more than 400,000 residents in Aurora — a large, rapidly growing city not located near major water sources. Because of this, Aurora has always had to think ahead. We've always had to be creative, pioneering and forward-thinking in our efforts to meet our community’s water needs. 

Today, Aurora Water:

• Holds water rights in three river basins: the Colorado, Arkansas and South Platte 

• Stores water in 12 reservoirs and lakes 

• Transports water from up to 150 miles away, using an extensive network of pipes, tunnels and pump stations 

• Stewards our resources and develops critical water systems by collaborating with key partners

Castle Rock Water:

In 1893, with 2.5 miles of wooden pipeline, a few water mains and one reservoir, Castle Rock Water began its first service to just a few hundred people. Thus, began the town’s commitment to delivering residents this vital and important natural resource. Over a century later, Castle Rock Water is an industry leader, providing drinking water, wastewater, and stormwater services to a growing Colorado town of more than 87,000 residents. Castle Rock Water’s mission is to provide the community with exceptional service that protects public health and balances social, environmental and fiscal responsibilities in a sustainable manner.

City and County of Denver:

TThe goals of Denver’s Stormwater Education and Outreach Program are to:

• Improve water quality through education and outreach activities, and,

• Meet, and often exceed, all applicable requirements within Denver’s Municipal Separate Storm Sewer System (MS4).

Rooted in the federal Clean Water Act, the City & County of Denver operates Colorado’s only ‘large’ MS4. A required component of an MS4 program is education and outreach. Denver focuses its program on targeted outreach activities promoting water quality awareness and potential behavior changes necessary for improvement. We endeavor to advance the water literacy of private citizens and businesses operating within Denver’s urban watersheds. Healthy water and healthy

City of Greenwood Village:

The City of Greenwood Village encompasses 8.3 square miles immediately south of Denver in Arapahoe County. First incorporated as a town in 1950, the City received its home rule charter in 1968. Home to nearly 16,000 residents, Greenwood Village has developed from a primarily rural community into a vibrant blend of residential and commercial areas, including nationally renowned business centers and family-friendly neighborhoods.

CORVUS Environmental Consulting:

CORVUS provides expert ecological consulting services related to the full life cycle of a project: from identifying potential natural resource constraints, field studies and data collection, agency scoping and coordination, compliance strategy and reporting, mitigation design, construction oversight, to post-construction monitoring and reporting.

Douglas County: 

For Douglas County to stay the great place we know and love, quality of life requires the County Commissioners’ focus on the high quality of our land, air, and water. That’s why one of the Board’s core priorities is to “practice and promote responsible stewardship of historic and natural resources in both rural and suburban areas.”    

ERO Resources: 

ERO Resources Corporation (ERO) has consulted on environmental planning and permitting projects throughout the Inter-mountain West since 1981 and is a recognized leader in natural and cultural resource evaluation, open space and trail planning, geosciences, and National Environmental Policy Act (NEPA) compliance. As a company, it is our mission to provide objective, practical, and defensible environmental services and solutions for our clients, and to conduct our services with the highest degree of integrity, quality, and professionalism. Additionally, ERO holds Minority/Women Business Enterprise (M/WBE), Small Business Entity (SBE), and Disadvantaged Business Enterprise (DBE) certifications. Our scientists' proven technical expertise, regulatory knowledge, and problem-solving skills enable us to provide cost-effective and creative solutions for our client’s and we see every project as an opportunity to earn our client's trust by rendering quality services and delivering high-quality project deliverables. 

Headquartered in Denver, Colorado, and with satellite offices in Durango, Hotchkiss, Colorado, and Boise, Idaho, ERO maintains a sttaff of about 75 professionals. We offer services in National Environmental Policy Act (NEPA) compliance, environ-mental planning, biological resources, cultural resources, and environmental due diligence and remediation. Our service area encompasses the Intermountain West, and beyond, and we have the capacity to successfully manage a broad range of projects across multiple regions. Comprised of a diverse team of scientists, planners, and subject matter experts, we work together to create innovative solutions tailored to our clients’ needs, while ensuring that our approach is both cost-effective and defensible. Our expertise is supported by in-house GIS and graphics, technical editing, and accounting staff and software.

Freese and Nichols (FNI):

Freese and Nichols (FNI) expanded into Colorado, growing organically and attracting local talent to serve clients facing water-related challenges across the state. We partner with cities, counties, flood districts, water and sanitary sewer utility districts, and water suppliers to address areas facing both too little and too much water, providing cost-effective, sustainable engineering solutions for water challenges.  As a client-focused, locally based firm with national expertise, FNI has built long-term relationships since our founding in 1894 through responsiveness, flexibility, and a commitment to putting people first—clients, teaming partners, and staff alike. Our tenured teams offer consistency in services and culture, guiding projects through every stage of the life cycle, from planning and design to program management, funding, regulatory compliance, construction, and operations. Known for innovative concepts and high-performing designs, we approach every project with stewardship, resiliency, and balance, upholding our mission: Innovative Approaches… Practical Results… Outstanding Service.

Hydros Consulting: 

Hydros Consulting Inc. is a surface water quality and water resources planning and engineering firm based in Boulder, Colorado since 2010. We offer specialized expertise in river and reservoir water-rights and water-quality modeling, including development of decision-support tools. Our modeling and data analysis projects are conducted with the goal of helping water managers make informed, sustainable decisions. Hydros Consulting’s clients include local governments, state and federal agencies, quasi-governmental districts/authorities, and private entities in the western United States and beyond.

Jacobs:

Our expertise across the water cycle provides our clients with comprehensive water solutions – from water supplies and treatment, to flood resilience, water resource recovery, reuse, and conveyance – we protect communities, industries, and the environment, giving them sustainable water resources to thrive.

Follow us @JacobsConnects | jacobs.com

L&M:

Introducing L&M Enterprises – Built on Experience, Driven by Integrity

Since 1975, L&M Enterprises has been a trusted leader in construction, landscaping, and property maintenance services across Colorado. With decades of experience and a commitment to excellence, we have successfully delivered millions of dollars in projects while staying true to our values: integrity, honesty, and respect — not just toward our clients, but also our subcontractors and even our competitors.

Experts in Drainageway and Environmental Solutions

L&M is a recognized innovator in channel stabilization, erosion control, and wetland mitigation. Our work has shaped best practices for cities and municipalities across the state. We’ve partnered with high-profile clients including the U.S. Army Corps of Engineers, Urban Drainage and Flood Control District, SEMSWA, and the State of Colorado. We bring deep knowledge of local, state, and federal regulations — including OSHA, EPA, and the Clean Water Act — ensuring compliance and quality on every project. Notably, we have never incurred liquidated damages or received an incomplete rating on any project in our nearly 50-year history. 

Full-Service Landscaping & Grounds Maintenance

Beyond construction, L&M offers comprehensive landscaping and maintenance services for a wide variety of properties — from shopping centers and healthcare campuses to HOAs and public parks. Our experienced crews take pride in enhancing and maintaining outdoor environments. Services include:

• Custom landscape design and build

• Turf and native mowing

• Tree care and trimming

• Irrigation installation and repairs

• Licensed herbicide and pesticide applications

• Water features and more

Snow Removal You Can Count On

Our large-scale snow removal capabilities are unmatched. With a fleet of over 50 plow trucks, 22 skid loaders, 4 front-end loaders, and an array of support equipment, we respond quickly and effectively to even the harshest winter conditions. We are one of the few companies in the region equipped to manage snow operations at scale.

A Team You Can Trust

At the core of L&M is a team of more than 80 skilled professionals dedicated to delivering exceptional results and outstanding customer service. This deep bench of experience allows us to consistently meet deadlines, exceed expectations, and build lasting relationships with our clients.

L&M Enterprises is more than a contractor— we’re a trusted partner for construction, landscaping, and maintenance solutions. We look forward to the opportunity to work with you.

Loewen Engineering:

Loewen Engineering, Inc. was founded in 2018. Our services include, but are not limited to stream restoration design, floodplain permitting, permanent and temporary stormwater quality design, civil site design for private and public development, and construction support. Our firm is locally based in Centennial, Colorado, and serves the Denver metro and surrounding areas. 

Mile High Flood District: 

The Mile High Flood District is a special district serving the seven-county greater Denver/Boulder metro area, dedicated to protecting people, property, and our environment through preservation, mitigation, and education. Established in 1969 in response to the 1965 South Platte River Flood, MHFD works closely with local governments to offer comprehensive flood management services, including early flood threat detection, floodplain mapping, stream restoration and preservation, and stormwater management. Through its various programs and initiatives, MHFD aims to enhance community resilience to flooding while promoting sustainable watershed management practices.

Pawnee Buttes Seed:

At Pawnee Buttes Seed, we sell more than just seed. We also provide the guidance to help you get the right seed for your need. We specialize in seed for pasture, reclamation, turf, and CRP, but we offer much more. Browse the links above for our most popular varieties. We sell seed for more than 500 species and not all are listed on our website. If you are looking for something specific, please contact us. No order is too big or too small! We can provide you with the right amount of seed whether you’re planting a small yard or several hundred acres.

Pinyon Environmental:

Over the past 30 years, Pinyon Environmental, Inc., has grown from a one-woman outfit to a thriving, 100% employee-owned environmental consulting firm that provides demonstrated environmental consulting services to a wide variety of clients in both the private and public sectors. Pinyon has a strong local presence and has worked tirelessly to earn the reputation of “Trusted Advisor”. We have a diverse staff of planners, engineers, scientists, landscape architects, and technical specialists who closely coordinate to deliver sustainable and resilient projects that consider client and stakeholder objectives, regulatory requirements, environmental health, wildlife movement, ecological function, and unique site features.  Our team has comprehensive expertise and understanding of Colorado watersheds, stream form and function, aquatic habitat improvement, National Environmental Policy Act (NEPA) documentation, environmental permitting, and construction monitoring.

Stream Landscape Architecture + Planning: 

Founded in 2010, Stream Landscape Architecture + Planning (Stream) is a Denver-based consulting firm that specializes in the planning and design of integrated high-functioning public landscapes and waterways in the Colorado / Rocky Mountain region. Stream has extensive experience in water-resource and drainage design ranging from extremely urban conditions to remote and natural areas. Our specialized expertise includes waterway planning and design, lakeshore and stream restoration (including embankment design, beach and bank stabilization, bio-engineering, and grade control structures), green stormwater infrastructure design (water quality and integrated stormwater management), park & open space area design, trails and multi-modal circulation design, and site development design. Stream integrates excellent technical skills with a fundamental understanding of user experience, local ecology, and aesthetics to develop thoughtful, resilient, and sustainable solutions that enhance public and natural realms. In short, Stream seeks out and thrives on challenging infrastructure projects that comingle human experiences with exceptional technical functionality. Our work has won numerous awards and has been recognized by prominent professional associations including the American Council of Engineering Companies (ACEC), American Public Works Association (APWA), Colorado Association of Stormwater and Floodplain Managers (CASFM), the Urban Drainage and Flood Control District (UDFCD), the American Society of Landscape Architects, and the American Planning Association (APA).

Stream's Professional Design services include:

• Master planning and site planning

• Green infrastructure and water-quality

• Drainage and integrated stormwater management

• Urban-area design and site development

• High-function streetscapes and plazas

• Parks, recreation, and open-space facilities

• Waterway and lakeshore bank stabilization and enhancement

Stream's Professional Design services include:

• Master planning and site planning

• Green infrastructure and water-quality

• Drainage and integrated stormwater management

• Urban-area design and site development

• High-function streetscapes and plazas

• Parks, recreation, and open-space facilities

• Waterway and lakeshore bank stabilization and enhancement

Valerian llc:

Valerian is a WBE/DBE/SBE certified landscape architecture, planning, and irrigation design firm established in Colorado in 1990. Through a blend of science and art, we design restorative landscapes that encourage people to engage with the physical environment. Our portfolio reflects the variety and depth of our experience with projects including parks and open space, stream corridor reclamation, green infrastructure, and neighborhood design and planning.

Wright Water Engineers:

Founded in 1961, Wright Water Engineers, Inc. is a full-service water resources consulting firm with offices in Denver, Glenwood Springs, and Durango, Colorado. Employee-owned and operated, WWE specializes in stormwater quality and quantity; water and wastewater planning and infrastructure; water rights; watershed science; environmental permitting; sustainability; and more. Our staff of approximately 45 people includes senior-level engineers, hydrologists, designers, biologists, chemists, geologists, hydrogeologists, and environmental scientists working in the Cherry Creek basin and throughout the Front Range. WWE thanks our wonderful clients for making us a part of many important projects. 

Barr Milton Watershed Association: 

The mission of the BMW Association is to encourage cooperation, involvement, and awareness by interested parties in collaborative efforts to improve the water quality of Barr Lake and Milton Reservoir. The vision of the BMW Association is to maintain appropriate water quality in Barr Lake and Milton Reservoir through the continuous implementation of a collaboratively-developed watershed management plan. Clear communication to all watershed stakeholders will be a major attribute.

City of Castle Pines:

Castle Pines is a thriving Colorado community just south of Denver in Douglas County. Incorporated in 2008, the City is home to roughly 16,000 residents and growing. We’re business and family-friendly, and have access to amazing Colorado recreation opportunities, excellent schools, and world-class new development opportunities.

City of Lone Tree:

Located in the South Metro Denver region, Lone Tree is a premier Colorado community connected by great neighborhoods, vibrant public spaces, a beautiful natural environment, and thriving businesses. With low tax rates, a business-friendly environment, a highly educated workforce, and easy access to the Rocky Mountains, Lone Tree is a great place to live, work and play.

The City of Lone Tree is ideally situated at the crossroads of I-25 and C-470, which provides high visibility and easy access for our businesses. It is home to five RTD light rail stations, each with unique transit-oriented development (TOD) opportunities. The City has multiple retail, healthcare and class A office projects, and is home to a workforce of over 25,000.

Dewberry Engineers:

Dewberry Engineers Inc. (Dewberry) is a nationally recognized professional services firm with more than 60 offices and over 2,500 professionals. Since 1956, we’ve delivered engineering, environmental, and consulting services to public and private clients, combining technical excellence with a deep commitment to improving the communities we serve. As an ENR Top 50 design firm, we are known for solving complex infrastructure challenges through innovative, sustainable, and client-focused solutions.

 Our Denver office brings over 30 years of experience delivering water, wastewater, and stormwater infrastructure projects across Colorado. We offer full-service, in-house capabilities in civil, structural, electrical, mechanical, GIS, and CAD disciplines. Our team specializes in stormwater master planning, floodplain management, open channel and sanitary sewer design, pump stations, force mains, and water treatment and storage facilities. We also provide geospatial analysis, regulatory support, and construction management services. With deep knowledge of local design standards, permitting processes, and environmental regulations, we are well-positioned to deliver resilient, cost-effective solutions tailored to Colorado’s unique infrastructure needs.

Parker Water & Sanitation District:

Established in 1962, Parker Water & Sanitation District (PWSD) is a water and wastewater utility located in the southeastern Denver-Metro area in Parker, Colorado. Our vision is to sustain life for our community by providing a growing population with secure, long-term, and high-quality water and wastewater service. Supported primarily by water and wastewater rates and new tap fees, we are a non-profit public agency. Since beginning operations more than 60 years ago, the population of Parker and its surrounding area have grown exponentially - with a current population of around 60,000 people. PWSD currently serves approximately 20,110 accounts and anticipates serving 35,000 by 2040, when we reach build-out.

RG and Associates:

Building Communities through Creative Planning and Innovative Design. 

Since our beginnings in 1986, our highly experienced staff has provided interim, temporary, or permanent assistance with professional engineering, planning, construction administration and building inspection services to: 

• Cities

• Counties

• Towns

• Water and Sanitation Districts

• Metropolitan Districts

Our mission centers on responsiveness, outstanding customer service and providing high-quality solutions to meet the vision and budget of each of our clients.

SPLASH:

SPLASH is a Co-operative of towns, cities, and local stormwater agencies within Arapahoe County who share a commitment to protect water quality and educate the public on simple ways to reduce stormwater pollution and its impact on local bodies of water.

Town of Parker: 

Located 20 miles south of Denver and home to more than 67,000 residents, the Town of Parker offers the perfect balance of a full-service community with a hometown feel. A community that is highly rated for safety, Parker provides an unmatched quality of life, spectacular parks and recreation amenities, a great business mix, world-class cultural facilities, and a wide variety of community events. To learn more about Parker, visit ParkerCO.gov or follow @TownOfParkerCO on social media (Facebook, Instagram, X, and YouTube).