Water Quality: Larkspur, CO

2 water systems • 4,165 people served

Multiple Health Violations
175
Total Violations
20
Health-Based Violations
2
Water Systems
4,165
Population Served

Water Quality Summary

Larkspur is served by 2 public water systems with a combined service population of 4,165 people, and has 175 EPA Safe Drinking Water Act violations on record. Critically, 20 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Larkspur's violation count is 29% above the national average for Colorado. Contaminants associated with violations include Total Organic Carbon.

Contaminants Found

Total Organic Carbon

Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.

Common source: Decaying plant material, algae, soil organic matter in source water

EPA limit: Treatment technique (must reduce TOC based on source water level)

Water Systems Serving Larkspur

System Name PWSID Source Population Violations
PERRY PARK WSD CO0118045 Surface Water 3,890 101
LARKSPUR TOWN OF CO0118030 Groundwater 275 74

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

View all 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.

Verify at epa.govSearch ECHO for CO