F

Fresno, CA

Fresno CountyPop. 542,107Source: Groundwater & Kings River
C64/100

Contamination score

#402 most contaminated of 30,542 cities — dirtier than 1% of the U.S.

Fresno has addressed DBCP and uranium in groundwater wells across the metro area.

⚠️7 health-based violations on record.
0
Water sources
29
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.

Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

CALIFORNIA STATE UNIVERSITY FRESNO

PWSID:
CA1010339
Source:
Ground water
Serves:
41,000 people

MALAGA COUNTY WATER DISTRICT

PWSID:
CA1010042
Source:
Ground water
Serves:
5,979 people

City Of Fresno

PWSID:
CA1010007
Source:
Surface water
Serves:
545,716 people

BAKMAN WATER COMPANY

PWSID:
CA1010001
Source:
Ground water
Serves:
17,393 people

Riverstone/Rootcreek Water District

PWSID:
CA2010016
Source:
Ground water
Serves:
5,507 people

EPA & DEP violations

MALAGA COUNTY WATER DISTRICT

PWSID CA101004217 violations

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityOpen

    EPA SDWIS violation 9611007 (code 52) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2025 · 9 months ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityOpen

    EPA SDWIS violation 9611006 (code 3A) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began May 1, 2024 · 2 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 9611004 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 9611003 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2015 · 11 years ago · Source ↗

  • Other violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 911025 (code 72) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Other violation · Began Aug 10, 2009 · 16 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 911023 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2008 · 17 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 811022 (code 26) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2008 · 18 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 511016 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Sep 1, 2005 · 20 years ago · Source ↗

  • MCL exceedance — MALAGA COUNTY WATER DISTRICT

    high severityHealth-basedResolved

    EPA SDWIS violation 511019 (code 22) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · MCL exceedance · Began Sep 1, 2005 · 20 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 511015 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began May 1, 2005 · 21 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 511013 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2005 · 21 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 511014 (code 24) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Mar 1, 2005 · 21 years ago · Source ↗

  • MCL exceedance — MALAGA COUNTY WATER DISTRICT

    high severityHealth-basedResolved

    EPA SDWIS violation 511012 (code 22) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2005 · 21 years ago · Source ↗

  • MCL exceedance — MALAGA COUNTY WATER DISTRICT

    high severityHealth-basedResolved

    EPA SDWIS violation 511010 (code 22) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2004 · 21 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 111020 (code 03) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2001 · 25 years ago · Source ↗

  • Monitoring violation — MALAGA COUNTY WATER DISTRICT

    low severityResolved

    EPA SDWIS violation 111021 (code 03) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2001 · 25 years ago · Source ↗

  • MCL exceedance — MALAGA COUNTY WATER DISTRICT

    high severityHealth-basedResolved

    EPA SDWIS violation 11003 (code 02) at MALAGA COUNTY WATER DISTRICT (PWSID CA1010042).

    EPA SDWIS · MCL exceedance · Began Jun 1, 2000 · 26 years ago · Source ↗

City Of Fresno

PWSID CA10100077 violations

  • DBCP Groundwater Detection

    medium severityHealth-basedResolved

    Wells closed after detection of dibromochloropropane.

    CA SWRCB · Treatment technique · Began Mar 1, 2019 · 7 years ago

  • Nitrate — MR violation

    medium severityResolved

    Nitrate MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — CITY OF FRESNO

    low severityResolved

    EPA SDWIS violation 9711012 (code 03) at CITY OF FRESNO (PWSID CA1010007).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2010 · 15 years ago · Source ↗

  • CARBON, TOTAL — MR violation

    medium severityResolved

    CARBON, TOTAL MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2010 · 15 years ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

    Total Haloacetic Acids (HAA5) MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2010 · 15 years ago · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

BAKMAN WATER COMPANY

PWSID CA10100013 violations

  • Treatment technique violation — BAKMAN WATER COMPANY

    high severityHealth-basedOpen

    EPA SDWIS violation 9311010 (code 2E) at BAKMAN WATER COMPANY (PWSID CA1010001).

    EPA SDWIS · Treatment technique violation · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Reporting violation — BAKMAN WATER COMPANY

    low severityOpen

    EPA SDWIS violation 9311011 (code 4G) at BAKMAN WATER COMPANY (PWSID CA1010001).

    EPA SDWIS · Reporting violation · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Monitoring violation — BAKMAN WATER COMPANY

    low severityOpen

    EPA SDWIS violation 9311007 (code 03) at BAKMAN WATER COMPANY (PWSID CA1010001).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2022 · 4 years ago · Source ↗

Riverstone/Rootcreek Water District

PWSID CA20100162 violations

  • Treatment technique violation — RIVERSTONE/ROOTCREEK WATER DISTRICT

    high severityHealth-basedOpen

    EPA SDWIS violation 3 (code 2E) at RIVERSTONE/ROOTCREEK WATER DISTRICT (PWSID CA2010016).

    EPA SDWIS · Treatment technique violation · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Reporting violation — RIVERSTONE/ROOTCREEK WATER DISTRICT

    low severityOpen

    EPA SDWIS violation 4 (code 4G) at RIVERSTONE/ROOTCREEK WATER DISTRICT (PWSID CA2010016).

    EPA SDWIS · Reporting violation · Began Oct 17, 2024 · 1 year ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.