Tap Water Quality Report for Riverside, 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.

Riverside, California tap water has 1000 total contaminants, with 42 being above EPA standards and 630 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (90)

90 water systems serve Riverside, California. Select one or more to filter the data below.

EASTERN MUNICIPAL WD
Public Water System ID:CA3310009
Population Served:651,058
Primary Source:Surface water purchased
Last Updated:Nov 15, 2024
Contact:
RIVERSIDE, CITY OF
Public Water System ID:CA3310031
Population Served:298,398
Primary Source:Groundwater under influence of surface water
Last Updated:Nov 15, 2024
Contact:
COACHELLA VWD: COVE COMMUNITY
Public Water System ID:CA3310001
Population Served:270,000
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
ELSINORE VALLEY MWD
Public Water System ID:CA3310012
Population Served:165,586
Primary Source:Surface water
Last Updated:Nov 15, 2024
Contact:
RANCHO CALIFORNIA WATER DISTRICT
Public Water System ID:CA3310038
Population Served:144,088
Primary Source:Surface water purchased
Last Updated:Nov 15, 2024
Contact:
JURUPA COMMUNITY SD
Public Water System ID:CA3310021
Population Served:134,049
Primary Source:Surface water purchased
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).