Water Quality: Aurora, CO
13 water systems • 604,019 people served
Multiple Health ViolationsWater Quality Summary
Aurora is served by 13 public water systems with a combined service population of 604,019 people, and has 367 EPA Safe Drinking Water Act violations on record. Critically, 9 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Aurora's violation count is 170% above the national average for Colorado. Contaminants associated with violations include Chlorine, Chlorine Dioxide, Disinfection Byproducts.
Contaminants Found
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)
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Water Systems Serving Aurora
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| AURORA CITY OF | CO0103005 | Surface Water | 533,407 | 4 |
| EAST CHERRY CREEK VALLEY WSD | CO0103035 | Surface Water | 66,130 | 39 |
| POUDRE VALLEY MHC | CO0135627 | Surface Water | 985 | 6 |
| COLLINS AIRE MHC | CO0135186 | Surface Water | 946 | 6 |
| LAGO VISTA MOBILE HOME PARK | CO0135428 | Surface Water | 842 | 7 |
| SUNSET PARK MHC | CO0135717 | Surface Water | 462 | 7 |
| ASPEN RIDGE MHC | CO0135122 | Surface Water | 302 | 8 |
| EMERALD ACRES MOBILE HOME PARK | CO0121251 | Surface Water | 280 | 8 |
| TRAVOIS HOA | CO0103090 | Groundwater | 175 | 69 |
| STAGE RUN HOA | CO0103079 | Groundwater | 150 | 21 |
| KEN CARYL WEST RANCH WD | CO0130075 | Groundwater | 140 | 7 |
| GALAMBS MOBILE HOME AND RV PARK | CO0101060 | Groundwater | 130 | 120 |
| KEETON RANCH WATER | CO0121415 | Surface Water | 70 | 65 |
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.