C

Clarksville, OK

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️51 health-based violations on record.
0
Water sources
69
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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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

PORTER PWA

PWSID:
OK3007306
Source:
Surface water
Serves:
2,400 people

EPA & DEP violations

PORTER PWA

PWSID OK300730669 violations

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227090 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2025 · 1 year ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227087 (code 35) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Dec 30, 2024 · 1 year ago · Source ↗

  • Treatment technique violation — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227088 (code 2E) at PORTER PWA (PWSID OK3007306).

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

  • Reporting violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227089 (code 4G) at PORTER PWA (PWSID OK3007306).

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

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227086 (code 27) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Sep 1, 2024 · 1 year ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227085 (code 3A) at PORTER PWA (PWSID OK3007306).

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

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227084 (code 27) at PORTER PWA (PWSID OK3007306).

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

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227083 (code 35) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Dec 30, 2023 · 2 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227082 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2023 · 2 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227081 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2023 · 3 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227080 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2023 · 3 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227079 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2023 · 3 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227077 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2022 · 3 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227078 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227076 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227075 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2021 · 4 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227070 (code 3A) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Jun 1, 2020 · 6 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227071 (code 27) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2020 · 6 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227072 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227073 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227068 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227069 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227064 (code 52) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227066 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2019 · 6 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227067 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2019 · 6 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227058 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2019 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227059 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2019 · 7 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227060 (code 35) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Jun 30, 2019 · 7 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227061 (code 35) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Jun 30, 2019 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227056 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2019 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227057 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2019 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227054 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2019 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227055 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2019 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227053 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2018 · 7 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227051 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227052 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227049 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227050 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227043 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227047 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227046 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2017 · 8 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227048 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 227042 (code 27) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227041 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2017 · 9 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227040 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2017 · 9 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227033 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2017 · 9 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227039 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2016 · 9 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227038 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2016 · 10 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 227037 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227028 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2015 · 10 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227025 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2015 · 11 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227023 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2015 · 11 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227024 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2015 · 11 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227021 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227022 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227017 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227018 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227014 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227016 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227011 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227012 (code 02) at PORTER PWA (PWSID OK3007306).

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

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 227013 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2013 · 12 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 120899 (code 23) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Mar 1, 1999 · 27 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 225794 (code 51) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Jun 1, 1993 · 33 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 182 (code 03) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Nov 30, 1981 · 44 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 181 (code 03) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Jan 31, 1981 · 45 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 140880 (code 03) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · Monitoring violation · Began Apr 30, 1980 · 46 years ago · Source ↗

  • MCL exceedance — PORTER PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 12180 (code 02) at PORTER PWA (PWSID OK3007306).

    EPA SDWIS · MCL exceedance · Began Dec 31, 1979 · 46 years ago · Source ↗

  • Monitoring violation — PORTER PWA

    low severityResolved

    EPA SDWIS violation 226880 (code 04) at PORTER PWA (PWSID OK3007306).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.