Contractors for Stormwater Control Measure Inspection and Maintenance

Stormwater Control Measure Contractor List

The lists of consultants and vendors is provided as a public service and does not constitute a recommendation, endorsement or certification of their qualifications or performance record, nor does the absence of a consultant or vendor from the list constitute a negative endorsement. While an effort has been made to provide a complete and accurate listing, omissions, or other errors may occur and, therefore, other available sources of information should be consulted. Those seeking professional services are advised to use independent judgment in evaluating the credentials of any consultants and vendors appearing on these lists. All of the information provided in the table below has been self-reported by the companies themselves.

Download the Stormwater Control Measure Contractor List (Excel Spreadsheet) (last updated October 2025) for a spreadsheet with all contractors, their service areas, and a full description of their services.

If you are a contractor who provides stormwater control measure maintenance services in Boulder County, fill out this Stormwater Control Measure Maintenance Services Survey to be added to this list.

Stormwater Control Measure Contractor List

Company	Areas Served	Bioretention / Rain Gardens	Extended Detention Basins	Permeable Pavement	Underground Stormwater Control Measures	Provides Inspections
Affordable Runoff Solutions	Front Range, Denver Metro Area	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
Apex Companies, LLC	Statewide	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
AQUALIS	Statewide	Yes - 5 of 5 activities	Yes - 3 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement Underground Stormwater Control Measures
Aquionix, Inc.	Statewide	No	No	No	No	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement
Armstrong Sweeping Inc.	Denver Metro	Yes - 1 of 5 activities	Yes - 1 of 4 activities	Yes - 2 of 4 activities	No
Bailey Land Solutions, LLC	Southern Colorado	Yes -3 of 5 activities	Yes -3 of 4 activities	No	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Underground Stormwater Control Measures
Bowman Custom Landscape Inc	Boulder County	Yes - 4 of 5 activities	Yes - 3 of 4 activities	No	No
Brightview Landscape	Denver Metro Area, Front Range	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities
CGRS Inc	Colorado Front Range	Yes - 3 of 5 activities	Yes - 3 of 4 activities	No	Yes - 3 of 3 activities	Extended Detention Basins, Underground Stormwater Control Measures
Derksen Land Solutions	Statewide	Yes -3 of 5 activities	Yes -2 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities
Down to Earth Compliance	Statewide	Yes - 4 of 5 activities	Yes - 4 of 4 activities	Yes - 2 of 4 activities	Yes - 2 of 3 activities
EarthX	City of Colorado Springs, Fort Carson, NREL, City of Fountain, City of Widefield, Town of Monument, Town of Erie, Town of Fort Collins, Penrose, Pueblo, Canon City	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 2 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Underground Stormwater Control Measures
Elite Stormwater Management LLC	Front Range	Yes - 2 of 5 activities	Yes - 3 of 4 activities	Yes - 1 of 4 activities	No
EMR Enterprises, LLC	Denver Metro Area, Front Range	Yes - 4 of 5 activities	Yes - 4 of 4 activities	No	Yes - 3 of 3 activities
Ensolum, LLC	Statewide	No	No	No	No	Bioretention/Rain Gardens, Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
Firefly Construction Services LLC	Denver Metro Area	Yes - 4 of 5 activities	Yes - 3 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities
Frontier Environmental Services	Front Range and Mountains	Yes - 4 of 5 activities	Yes - 3 of 4 activities	No	No
Guildner Pipeline Maintenance, Inc.	Statewide	Yes - 2 of 5 activities	Yes - 2 of 4 activities	Yes - 1 of 4 activities	Yes - 3 of 3 activities	Underground Stormwater Control Measures
Hammers Construction, Inc.	Statewide	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 2 of 4 activities	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement Underground Stormwater Control Measures
JB Landscaping	Statewide	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement Underground Stormwater Control Measures
Keesen Landscape Maintenance	Boulder County, City and County of Broomfield, Denver, Aurora, Adams County, Jefferson County	Yes - 4 of 5 activities	Yes - 4 of 5 activities	No	No	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement
Landtech Contractors LLC	Denver Metro Area, Front Range	Yes - 3 of 5 activities	Yes - 3 of 4 activities	Yes - 1 of 4 activities	Yes - 1 of 3 activities
McDonald Farms	Statewide	No	No	No	Yes - 3 of 3 activities
Nature's Workforce Dba CDI	Denver Metro Area	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 3 of 4 activities	Yes - 3 of 3 activities
NoCo Septic, Inc	Boulder County, 100 mile radius of Longmont (zip code 800501)	Yes - 5 of 5 activities	Yes - 4 of 4 activities	No	Yes - 3 of 3 activities
Powell Restoration Inc.	Denver Metro Area, Front Range	Yes - 3 of 5 activities	Yes - 3 of 4 activities	Yes - 1 of 4 activities	No
RESPEC	Statewide	No	No	No	No	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
Seedmasters, Inc.	Statewide	Yes - 4 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
Smith Environmental & Engineering	Statewide	Yes - 4 of 5 activities	Yes - 3 of 4 activities	Yes - 1 of 4 activities	No	Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
Stormwater Compliance Solutions, LLC	Front Range	Yes - 1 of 5 activities	Yes - 1 of 4 activities	No	Yes - 3 of 3 activities	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement, Underground Stormwater Control Measures
SWAP LLC	Statewide	No	No	No	No	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement Underground Stormwater Control Measures
SWPPP Colorado LLC	Larimer County, Weld County	Yes - 5 of 5 activities	Yes - 4 of 4 activities	Yes - 4 of 4 activities	Yes - 3 of 3 activities	Extended Detention Basins, Underground Stormwater Control Measures
Two Dot Consulting	Front Range	Yes - 1 of 5 activities	Yes - 1 of 4 activities	Yes - 1 of 4 activities	No	Extended Detention Basins
Wright Water Engineers, Inc.	Statewide	No	No	No	No	Bioretention/Rain Gardens/Sand Filter Basins, Extended Detention Basins, Permeable Pavement Underground Stormwater Control Measures
Yeh and Associates, Inc	Statewide	No	No	No	No	Extended Detention Basins

Table with a list of companies, the areas in Colorado that they serve, and how many activities they perform for each type of stormwater control measure.