Water Quality: Frisco, CO

3 water systems • 4,694 people served

Multiple Health Violations
330
Total Violations
5
Health-Based Violations
3
Water Systems
4,694
Population Served

Water Quality Summary

Frisco is served by 3 public water systems with a combined service population of 4,694 people, and has 330 EPA Safe Drinking Water Act violations on record. Critically, 5 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Frisco's violation count is 142% above the national average for Colorado. Contaminants associated with violations include Chlorine, Chlorine Dioxide, Disinfection Byproducts.

Contaminants Found

Chlorine

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)

Chlorine Dioxide

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

Disinfection Byproducts

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 Frisco

System Name PWSID Source Population Violations
FRISCO TOWN OF CO0159055 Surface Water 4,495 98
FARMERS KORNER MHP CO0159050 Groundwater 159 28
WAYSIDE CO0259019 Groundwater 40 204

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

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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