Water Quality: Sheridan Lake, CO
1 water system • 148 people served
Multiple Health ViolationsWater Quality Summary
Sheridan Lake is served by 1 public water system with a combined service population of 148 people, and has 293 EPA Safe Drinking Water Act violations on record. Critically, 35 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Sheridan Lake's violation count is 115% above the national average for Colorado. Contaminants associated with violations include Chlorine Dioxide, Gross Alpha, Haloacetic Acids, Stage 2 DBP.
Contaminants Found
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
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)
Linked to increased cancer risk and potential reproductive and developmental effects with long-term exposure.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Sheridan Lake
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SHERIDAN LAKE WD | CO0131800 | Groundwater | 148 | 293 |
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.