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Review government records associated with Castle Pines, Colorado.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Castle Pines, CO from EPA SDWIS.
Castle Pines North Md
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 12,800 people
Castle Pines Village Md
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 5,656 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Oct 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Castle Pines drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
No health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Douglas County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Denver Metro/North Front Range: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Denver-Boulder-Greeley-Ft. Collins-Loveland: Ozone
NonattainmentSevere 158-Hour Ozone (2008 Standard)
Original designation: Jul 2012
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Adams, Denver, and Boulder Counties; Denver Metropolitan Area
PM10 · PM-10 (1987 Standard)
Classification: Moderate
Original designation: Nov 1990
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Arapahoe Community College — Littleton, Colorado
Annual mean: 4.8 Micrograms/cubic meter (LC)
Observation year: 2025
Aurora East
Annual mean: 0.050 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Chatfield State Park — Roxborough Park, Colorado
Annual mean: 0.048 Parts per million
EPA primary exceedance count: 7 (Ozone 8-hour 2015)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Douglas County, CO
EPA Radon Zone Map (June 2024 release)
Douglas County is EPA Radon Zone 1 (highest potential). EPA defines Zone 1 counties as having predicted average indoor screening levels above 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain). No base flood elevation determined.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Douglas County, ColoradoPop. 375,988
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 3,973 | 6,994 | 7,972 |
| Poor or Fair Health | 8.7% | 12.8% | 14.2% |
| Poor Physical Health Days | 2.7 | 3.1 | 3.3 |
| Poor Mental Health Days | 4.1 | 4.8 | 4.8 |
| Adult Smoking | 8.9% | 12.1% | 15.0% |
| Adult Obesity | 23.0% | 25.1% | 34.0% |
| Air Pollution - Particulate Matter | 6.2 | 4.5 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 5.6% | 6.5% | 9.6% |
| Life Expectancy | 82.8 | 79.0 | 77.6 |
EPA testing found PFAS in water samples from Castle Pines North Md. Results dated Oct 8, 2025 include PFBA at 0.006 micrograms per liter and PFPeA at 0.0036 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 45 violations for Castle Pines North Md.
The EPA drinking water records available here list no violations for Castle Pines Village Md.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Castle Pines.
The monitoring station at Arapahoe Community College, Littleton, Colorado recorded an annual average of 4.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Aurora East recorded an annual average of 0.05 Parts per million for ozone in 2025.
The monitoring station at Chatfield State Park, Roxborough Park, Colorado recorded an annual average of 0.048 Parts per million for ozone in 2025.
The radon data for Castle Pines covers Douglas County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Castle Pines reports a life expectancy of 82.8 years in Douglas County, Colorado.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Castle Pines reports 3,973 years of life lost to deaths before age 75 per 100,000 residents in Douglas County, Colorado. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Castle Pines lists fine-particle pollution (PM2.5) at 6.2 micrograms per cubic meter in Douglas County, Colorado.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.