Adams, CO

Moderate Risk (56/100)

Environmental data for Adams in Colorado

Adams, CO is tracked across three EPA datasets covering 50 Toxics Release Inventory (TRI) facilityies, 0 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 56/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 7.2M lbs of reported toxic releases under EPCRA Section 313, while 0 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 55 and a peak AQI of 161 in 2024, with 40% of observed days rated "Good" (0–50).

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

TRI Facilities
50
Water Systems
0
Superfund Sites
0
Total Releases
7.2M lbs

Air Quality History (2020–2024)

EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.

Year Good Moderate Unhealthy (SG) Max AQI
2024 147 (40%) 197 20 161
2023 179 (49%) 181 3 174
2022 180 (49%) 171 14 126
2021 188 (52%) 154 22 151
2020 192 (52%) 162 11 151
2024 Good Air Quality: 40% of days
Unhealthy days: 22
Median AQI: 55

Source: EPA Air Quality System (AQS) Annual AQI by County EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)

For detailed air quality monitoring data, pollutant breakdowns, and metro-level AQI trends, see Air Quality in Colorado on PlainAirData.

TRI Facilities (50)

# Facility Total Releases
1 Clean Harbors Deer Trail Llc. 5.2M lbs
2 Suncor Energy Commerce City Refinery 460.2K lbs
3 Advancedpcb 364.8K lbs
4 Elkay Wood Products Co 284.6K lbs
5 Intertape Polymer Group Brighton Facility 214.3K lbs
6 Univar Solutions-Denver West 160.4K lbs
7 Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC 65.4K lbs
8 Colorado Paint Co 63.6K lbs
9 Sika Mbcc US LLC 56.6K lbs
10 Sashco Inc 53.2K lbs
11 Sashco Inc. 37.4K lbs
12 Azz Galvanizing -Denver 36.9K lbs
13 Veolia Es Technical Solutions LLC 26.9K lbs
14 Industrial Chemicals Corp 26.0K lbs
15 Thermo Fluids Denver 21.0K lbs
16 Phillips 66 Co Denver Terminal 18.8K lbs
17 Sinclair Denver Products Terminal 16.9K lbs
18 E J Painting & Fiberglass 16.8K lbs
19 Diversey Corp 15.6K lbs
20 Koppers Inc (denver Co) 5.0K lbs
21 Crystal Packaging Inc 4.5K lbs
22 B&b Blending LLC 4.5K lbs
23 Owens Corning Roofing & Asphalt LLC 2.9K lbs
24 Holcim Wcr Inc Denver Ready Mix Plant 2.1K lbs
25 Holcim Wcr Inc Sand Creek Ready Mix Plant 1.5K lbs
26 Holcim Wcr Inc Commerce City Ready Mix Plant 1.5K lbs
27 West Direct Oil #15 Hen 1.1K lbs
28 Wells Concrete (architectural Plant) 826 lbs
29 Smyrna Ready Mix Concrete. LLC - Chambers Ready Mix 577 lbs
30 Vance Brothers LLC 414 lbs
31 Zimmerman Metals Inc 194 lbs
32 Wells Concrete (structural Plant) 147 lbs
33 Ergon Asphalt Partners LP - Denver 105 lbs
34 Classic Metals 40 lbs
35 Atlas Roofing Corp 32 lbs
36 Smyrna Ready Mix Concrete LLC - Picadilly Ready Mix 31 lbs
37 Owens Corning Roofing & Asphalt LLC 31 lbs
38 Quikrete - Denver Co Plant 5 lbs
39 A R Wilfley & Sons Inc 4 lbs
40 Martin Marietta Gordon Asphalt 4 lbs
41 Westlake Royal Roofing - Denver 4 lbs
42 Martin Marietta - Monaghan Asphalt 1 lbs
43 Forterra Precast Concepts Inc. 1 lbs
44 Pavestone - Denver Co Plant 0 lbs
45 Brannan Sand & Gravel- Central Ready Mix 0 lbs
46 Ready Mixed Concrete Plant 11 0 lbs
47 Burnco Colorado LLC - Denver 0 lbs
48 Burnco Colorado LLC - Henderson 0 lbs
49 Ready Mixed Concrete Plant 12 0 lbs
50 Ready Mixed Concrete Co - Franklin Street Plant 0 lbs

Cities in Adams (8)

Aurora
Pop: —
11 facilities · 14 water
Commerce City
Pop: —
8 facilities · 1 water
Henderson
Pop: —
11 facilities · 2 water
Deer Trail
Pop: —
1 facilities · 1 water
Brighton
Pop: —
10 facilities · 8 water
Northglenn
Pop: —
1 facilities · 1 water
Thornton
Pop: —
1 facilities · 5 water
Adams County
Pop: —
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Adams, Colorado?
Adams, CO has an environmental risk score of 56/100 (Moderate Risk), based on 50 TRI facilities, 0 Superfund sites, and 0 water systems on record. No water systems have current health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Adams?
No Superfund National Priorities List (NPL) sites are currently registered in Adams, CO in the EPA database.
How many toxic release facilities are in Adams?
Adams, CO has 50 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 7.2M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Adams?
In 2024, Adams, CO recorded a median AQI of 55 and a peak AQI of 161. 40% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Adams?
No EPA-regulated water systems are currently recorded for Adams, CO in the SDWIS database.
What environmental agencies cover Adams?
Environmental compliance in Adams, Colorado is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Colorado state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainEnviro Editorial