Water Quality: Boulder, CO
9 water systems • 170,165 people served
Multiple Health Violations91
Total Violations
8
Health-Based Violations
9
Water Systems
170,165
Population Served
Water Quality Summary
Boulder has 8 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine, Disinfection Byproducts, Total Haloacetic Acids (HAA5). In total, 91 violations are on record for 9 water systems serving 170,165 people.
Contaminants Found
Chlorine
Disinfection Byproducts
Total Haloacetic Acids (HAA5)
Water Systems Serving Boulder
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| BOULDER CITY OF | CO0107152 | Surface Water | 166,080 | 10 |
| PINE BROOK HILLS WD | CO0107610 | Surface Water | 1,100 | 0 |
| MILE HI WATER INC HAULER | CO0107510 | Surface Water | 1,000 | 50 |
| BASELINE WD | CO0107135 | Surface Water | 820 | 4 |
| SHANNON WSD | CO0107710 | Groundwater | 450 | 0 |
| EAST BOULDER COUNTY WD | CO0107236 | Surface Water | 300 | 11 |
| LEFTHAND WSD LAKE PINES | CO0107472 | Surface Water | 250 | 7 |
| SPRING VALLEY MUTUAL WA | CO0107719 | Groundwater | 100 | 8 |
| PINE LAKE VILLAGE | CO0162612 | Surface Water | 65 | 1 |
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.
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.