W

Welch, OK

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️45 health-based violations on record.
0
Water sources
126
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

WELCH PWA

PWSID:
OK2001801
Source:
Ground water
Serves:
800 people

EPA & DEP violations

WELCH PWA

PWSID OK2001801126 violations

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160871 (code 52) at WELCH PWA (PWSID OK2001801).

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

  • Other violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160872 (code 71) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Other violation · Began Jul 1, 2025 · 1 year ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160869 (code 52) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 160842 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2024 · 2 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160843 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160844 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160845 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160846 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160847 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160848 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160849 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160850 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160851 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160852 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160853 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160854 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160855 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160856 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160857 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160858 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160859 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160860 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160861 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160862 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160863 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160864 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160865 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160866 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160867 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160868 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160838 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2024 · 2 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160837 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2024 · 2 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160836 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160835 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160840 (code 27) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jun 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160841 (code 27) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jun 1, 2023 · 3 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160834 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160833 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160829 (code 27) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2022 · 3 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160831 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160830 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160827 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160826 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160823 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2021 · 5 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160824 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2021 · 5 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160810 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2020 · 5 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160809 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160808 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160807 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160799 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160800 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160801 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160797 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160798 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160796 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160795 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160789 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160790 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160791 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160792 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2018 · 8 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160794 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160793 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160785 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160786 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160787 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160788 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Other violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160779 (code 71) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160780 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160771 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160772 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160773 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160774 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160766 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160767 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160768 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160769 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160770 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160765 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160760 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160746 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160747 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160748 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160749 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160750 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedOpen

    EPA SDWIS violation 160745 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 160733 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2011 · 14 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 160721 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2011 · 15 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 160720 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2011 · 15 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 160715 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2011 · 15 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 160714 (code 02) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 160711 (code 52) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2010 · 16 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 8897 (code 24) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 8696 (code 24) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Nov 1, 1995 · 30 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 96495 (code 23) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 12795 (code 23) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Dec 1, 1994 · 31 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 145194 (code 51) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 1994 · 32 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 10094 (code 23) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Nov 1, 1993 · 32 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 1594 (code 22) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Oct 1, 1993 · 32 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 75093 (code 24) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 64593 (code 23) at WELCH PWA (PWSID OK2001801).

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

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 49793 (code 21) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Jun 1, 1993 · 33 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 44193 (code 21) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began May 1, 1993 · 33 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 68791 (code 22) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Aug 1, 1991 · 35 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 57491 (code 23) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jul 1, 1991 · 35 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 24291 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Oct 1, 1990 · 35 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 486 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Sep 1, 1986 · 39 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 386 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Feb 1, 1986 · 40 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 286 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 1, 1986 · 40 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 186 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Oct 1, 1985 · 40 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 285 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Aug 1, 1985 · 41 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 385 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Apr 1, 1985 · 41 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 185 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Feb 23, 1983 · 43 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 183 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 31, 1983 · 43 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 182 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Aug 31, 1982 · 43 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 282 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Apr 30, 1982 · 44 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 382 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 31, 1982 · 44 years ago · Source ↗

  • MCL exceedance — WELCH PWA

    high severityHealth-basedResolved

    EPA SDWIS violation 482 (code 02) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · MCL exceedance · Began Dec 31, 1981 · 44 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 582 (code 04) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Dec 31, 1981 · 44 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 381 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 481 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 181 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Nov 30, 1980 · 45 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 281 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Oct 31, 1980 · 45 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 158080 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 129780 (code 03) at WELCH PWA (PWSID OK2001801).

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

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 117580 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Mar 31, 1980 · 46 years ago · Source ↗

  • Monitoring violation — WELCH PWA

    low severityResolved

    EPA SDWIS violation 88780 (code 03) at WELCH PWA (PWSID OK2001801).

    EPA SDWIS · Monitoring violation · Began Jan 31, 1980 · 46 years ago · Source ↗

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