Water Quality: Yosemite Np, CA

4 water systems • 1,836 people served

Some Concerns
17
Total Violations
3
Health-Based Violations
4
Water Systems
1,836
Population Served

Water Quality Summary

Yosemite Np has 3 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Contaminant 1022, Disinfection Byproducts. In total, 17 violations are on record for 4 water systems serving 1,836 people.

Contaminants Found

Contaminant 1022
Disinfection Byproducts

Water Systems Serving Yosemite Np

System Name PWSID Source Population Violations
YOSEMITE NPS-YOSEMITE VALLEY CA2210503 Groundwater 1,000 3
YOSEMITE NPS-EL PORTAL CA2210515 Groundwater 635 6
YOSEMITE NPS-WAWONA CA2210510 Surface Water 150 2
YOSEMITE NPS-HODGDON MEADOW CA5510503 Groundwater 51 6

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.

Verify at epa.govSearch ECHO for CA