Water Quality: Windsor, CO
16 water systems • 29,533 people served
Multiple Health ViolationsWater Quality Summary
Windsor is served by 16 public water systems with a combined service population of 29,533 people, and has 1,133 EPA Safe Drinking Water Act violations on record. Critically, 55 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Windsor's violation count is 733% above the national average for Colorado. Contaminants associated with violations include Barium, Chlorine, Fecal Coliform, Gross Alpha, Selenium.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Water Systems Serving Windsor
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WINDSOR TOWN OF | CO0162843 | Surface Water | 23,500 | 7 |
| BOULDER MEADOWS MHP | CO0107179 | Surface Water | 1,657 | 11 |
| CLOVERLEAF COLORADO LLC | CO0135184 | Surface Water | 1,007 | 8 |
| HICKORY VILLAGE | CO0135343 | Surface Water | 816 | 2 |
| SMITH CREEK CROSSING | CO0125716 | Groundwater | 518 | 0 |
| RIVERVIEW CG | CO0235676 | Surface Water | 450 | 67 |
| SUNSET WD | CO0135726 | Surface Water | 425 | 10 |
| PIONEER MOBILE HOME PARK | CO0116610 | Surface Water | 250 | 0 |
| ALPENSEE WD | CO0159119 | Groundwater | 168 | 21 |
| CREEKSIDE SOUTH ESTATES METRO DISTRICT | CO0101188 | Groundwater | 160 | 969 |
| GROVER TOWN OF | CO0162322 | Groundwater | 154 | 7 |
| STORM KING MHP | CO0123724 | Surface Water | 135 | 0 |
| DERBY VILLAGE MOBILE HOME PARK | CO0101201 | Groundwater | 81 | 0 |
| SATANK WA | CO0123726 | Surface Water | 80 | 9 |
| BRIGHTON VILLAGE LLC | CO0101030 | Surface Water | 77 | 22 |
| NORTHSIDE VILLAGE MHP | CO0101553 | Surface Water | 55 | 0 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Colorado
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.