Tap Water Quality Report for Humboldt, 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.

Humboldt, California tap water has 338 total contaminants, with 7 being above EPA standards and 279 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (39)

39 water systems serve Humboldt, California. Select one or more to filter the data below.

HUMBOLDT C.S.D.
Public Water System ID:CA1210009
Population Served:19,778
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
MCKINLEYVILLE C.S.D.
Public Water System ID:CA1210016
Population Served:16,900
Primary Source:Ground water purchased
Last Updated:Nov 15, 2024
Contact:
FIELDBROOK GLENDALE C.S.D.
Public Water System ID:CA1210020
Population Served:1,845
Primary Source:Ground water purchased
Last Updated:Nov 15, 2024
Contact:
GARBERVILLE SANITARY DISTRICT
Public Water System ID:CA1210008
Population Served:1,815
Primary Source:Surface water
Last Updated:Nov 15, 2024
Contact:
DEL ORO WATER CO-FERNDALE
Public Water System ID:CA1210007
Population Served:1,662
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
HYDESVILLE CO. W.D.
Public Water System ID:CA1210019
Population Served:1,412
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).