H

Hennessey, OK

no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️11 health-based violations on record.
0
Water sources
52
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

Share this with friends & family you care about ❤️

Help someone you love know what's in their water — we'll email them Hennessey's report. No sign-ups, no list.

Reported illness & cancer claims

No claims reported yet. Be the first to add one.

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

No issues reported yet. Be the first to report one.

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

Get water alerts for Hennessey, OK

We'll email you when a new violation, lawsuit, or health report appears for Hennessey's water. Free, unsubscribe anytime.

Home water filtration system

Protect your home

Improve Hennessey's water

A certified filtration system can remove lead, PFAS, nitrates, and the contaminants flagged on this page. Get a free, no-obligation quote tailored to your home.

What are you interested in?

By submitting you agree to be contacted about water treatment options.

Public water systems

HENNESSEY

PWSID:
OK2003704
Source:
Ground water
Serves:
2,058 people

EPA & DEP violations

HENNESSEY

PWSID OK200370452 violations
  • Monitoring violation — HENNESSEY

    low severityOpen

    EPA SDWIS violation 288376 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2025 · 1 year ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288347 (code 52) at HENNESSEY (PWSID OK2003704).

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

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 288362 (code 01) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288363 (code 56) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288364 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288365 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288366 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288367 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288368 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288369 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288370 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288371 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288372 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288373 (code 53) at HENNESSEY (PWSID OK2003704).

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

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288348 (code 56) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityOpen

    EPA SDWIS violation 288349 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityOpen

    EPA SDWIS violation 288350 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityOpen

    EPA SDWIS violation 288351 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityOpen

    EPA SDWIS violation 288352 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityOpen

    EPA SDWIS violation 288353 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288354 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288355 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288356 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288357 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288358 (code 53) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2021 · 5 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 288342 (code 01) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2020 · 6 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288340 (code 03) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2019 · 6 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288339 (code 27) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2019 · 7 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288336 (code 34) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Oct 24, 2018 · 7 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288334 (code 3A) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Nov 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288332 (code 27) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288330 (code 03) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2017 · 9 years ago · Source ↗

  • Other violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 288329 (code 71) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Other violation · Began Jul 1, 2016 · 10 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 288321 (code 01) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2014 · 11 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 288318 (code 01) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2014 · 12 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 285898 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Sep 1, 1998 · 27 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 285698 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Aug 1, 1998 · 28 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 12498 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Nov 1, 1997 · 28 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 69697 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jun 1, 1997 · 29 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 35897 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jan 1, 1997 · 29 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 10597 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Nov 1, 1996 · 29 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 59596 (code 22) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Jun 1, 1996 · 30 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 29696 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Jan 1, 1996 · 30 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 35495 (code 23) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Feb 1, 1995 · 31 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 62492 (code 21) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began May 1, 1992 · 34 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 18092 (code 21) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Dec 1, 1991 · 34 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 190 (code 02) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Aug 1, 1990 · 36 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 289 (code 02) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began May 1, 1989 · 37 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 287 (code 03) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Feb 1, 1987 · 39 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 187 (code 02) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Jan 1, 1987 · 39 years ago · Source ↗

  • MCL exceedance — HENNESSEY

    high severityHealth-basedResolved

    EPA SDWIS violation 186 (code 02) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · MCL exceedance · Began Sep 1, 1986 · 39 years ago · Source ↗

  • Monitoring violation — HENNESSEY

    low severityResolved

    EPA SDWIS violation 36080 (code 03) at HENNESSEY (PWSID OK2003704).

    EPA SDWIS · Monitoring violation · Began Oct 31, 1979 · 46 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.