Tap Water Quality Report for Madera, 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.

Madera, California tap water has 605 total contaminants, with 55 being above EPA standards and 366 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (66)

66 water systems serve Madera, California. Select one or more to filter the data below.

CITY OF MADERA
Public Water System ID:CA2010002
Population Served:65,074
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
YOSEMITE SPRING PARK UTIL CO
Public Water System ID:CA2010005
Population Served:6,448
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
MADERA VALLEY WATER COMPANY
Public Water System ID:CA2010010
Population Served:6,428
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
RIVERSTONE/ROOTCREEK WATER DISTRICT
Public Water System ID:CA2010016
Population Served:5,507
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
BASS LAKE WATER COMPANY
Public Water System ID:CA2010003
Population Served:4,527
Primary Source:Surface water
Last Updated:Nov 15, 2024
Contact:
CAL AM - OAKHURST
Public Water System ID:CA2010007
Population Served:3,412
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).