Water Quality: Upland, CA

4 water systems • 81,487 people served

Some Concerns
6
Total Violations
2
Health-Based Violations
4
Water Systems
81,487
Population Served

Water Quality Summary

Upland is served by 4 public water systems with a combined service population of 81,487 people, and has 6 EPA Safe Drinking Water Act violations on record. Critically, 2 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Upland's violation count is 88% below the national average for California. Contaminants associated with violations include Gross Alpha.

Contaminants Found

Gross Alpha

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)

Water Systems Serving Upland

System Name PWSID Source Population Violations
UPLAND, CITY OF CA3610050 Surface Water 78,376 4
SAN ANTONIO WATER COMPANY CA3610085 Groundwater 3,111 2
WATER FACILITIES AUTHORITY-JPA CA3610006 Surface Water 0 0
WEST END CONSOLIDATED WATER COMPANY CA3610086 Groundwater 0 0

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 California

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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 CA