Water Quality: Basalt, CO
8 water systems • 8,130 people served
Multiple Health ViolationsWater Quality Summary
Basalt is served by 8 public water systems with a combined service population of 8,130 people, and has 507 EPA Safe Drinking Water Act violations on record. Critically, 8 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Basalt's violation count is 273% above the national average for Colorado. Contaminants associated with violations include Chlorine, Chlorine Dioxide, Fecal Coliform.
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
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)
Water Systems Serving Basalt
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MID VALLEY MD | CO0119508 | Groundwater | 4,588 | 5 |
| BASALT TOWN OF | CO0119134 | Surface Water | 2,357 | 0 |
| MOUNTAIN VALLEY MHP | CO0123519 | Groundwater | 338 | 14 |
| ASPEN VILLAGE MD | CO0149123 | Surface Water | 300 | 420 |
| ASPEN MESA ESTATES | CO0119125 | Groundwater | 225 | 3 |
| BUTTERMILK MD | CO0149160 | Surface Water | 200 | 56 |
| RED TABLE ACRES HOA | CO0119672 | Groundwater | 90 | 4 |
| RIVERS BEND CONDO ASSOC | CO0149843 | Groundwater | 32 | 5 |
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.