B

Blackwell, OK

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️34 health-based violations on record.
0
Water sources
58
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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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

BLACKWELL MUNICIPAL AUTHORITY

PWSID:
OK1021101
Source:
Surface water
Serves:
7,668 people

EPA & DEP violations

BLACKWELL MUNICIPAL AUTHORITY

PWSID OK102110158 violations

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedOpen

    EPA SDWIS violation 164294 (code 44) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedOpen

    EPA SDWIS violation 164295 (code 44) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began Jun 1, 2025 · 1 year ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityOpen

    EPA SDWIS violation 164292 (code 38) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityOpen

    EPA SDWIS violation 164293 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164291 (code 35) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedOpen

    EPA SDWIS violation 164290 (code 44) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164282 (code 43) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began Jun 1, 2024 · 2 years ago · Source ↗

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164283 (code 44) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began Mar 1, 2024 · 2 years ago · Source ↗

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164284 (code 43) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began Mar 1, 2024 · 2 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164289 (code 03) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164273 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164270 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164271 (code 41) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began Sep 1, 2022 · 3 years ago · Source ↗

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164266 (code 44) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began May 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164249 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164248 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164233 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164232 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164228 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164234 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164225 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164223 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164227 (code 44) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began Aug 1, 2019 · 7 years ago · Source ↗

  • Treatment technique violation — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164226 (code 43) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Treatment technique violation · Began May 1, 2019 · 7 years ago · Source ↗

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164216 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164214 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164213 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164210 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164185 (code 27) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164186 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164188 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Other violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164179 (code 71) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164190 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164192 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164194 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164169 (code 35) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Monitoring violation · Began Dec 30, 2016 · 9 years ago · Source ↗

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164196 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Other violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164167 (code 71) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164198 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164200 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164202 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164165 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164162 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164158 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164155 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 164153 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Other violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 164142 (code 71) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Other violation · Began Jul 1, 2012 · 14 years ago · Source ↗

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 7396 (code 22) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · MCL exceedance · Began Nov 1, 1995 · 30 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 78491 (code 24) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Monitoring violation · Began Sep 1, 1991 · 34 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 190 (code 03) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Monitoring violation · Began Dec 1, 1989 · 36 years ago · Source ↗

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 284 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · MCL exceedance · Began Dec 1, 1983 · 42 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 484 (code 04) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Monitoring violation · Began Dec 1, 1983 · 42 years ago · Source ↗

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 184 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · MCL exceedance · Began Nov 1, 1983 · 42 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 384 (code 04) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Monitoring violation · Began Nov 1, 1983 · 42 years ago · Source ↗

  • MCL exceedance — BLACKWELL MUNICIPAL AUTHORITY

    high severityHealth-basedResolved

    EPA SDWIS violation 182 (code 02) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 282 (code 04) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 181 (code 03) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

    EPA SDWIS · Monitoring violation · Began Jun 30, 1981 · 45 years ago · Source ↗

  • Monitoring violation — BLACKWELL MUNICIPAL AUTHORITY

    low severityResolved

    EPA SDWIS violation 162180 (code 03) at BLACKWELL MUNICIPAL AUTHORITY (PWSID OK1021101).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.