Tap Water Quality Report for Stanislaus, California

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Stanislaus, California tap water has 289 total contaminants, with 34 being above EPA standards and 177 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (45)

45 water systems serve Stanislaus, California. Select one or more to filter the data below.

KEYES COMMUNITY SERVICES DIST.
Public Water System ID:CA5010009
Population Served:5,672
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
DENAIR COMMUNITY SERVICES DISTRICT
Public Water System ID:CA5010021
Population Served:5,078
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
WESTERN HILLS WATER DISTRICT/DIABLO GRAN
Public Water System ID:CA5010039
Population Served:2,000
Primary Source:Surface water
Last Updated:Nov 15, 2024
Contact:
OID-OAKDALE RURAL WATER SYSTEM #1
Public Water System ID:CA5000433
Population Served:1,570
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
WATERFORD-RIVER POINTE
Public Water System ID:CA5010042
Population Served:1,079
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
HILLSVIEW HOMES
Public Water System ID:CA5010007
Population Served:887
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).