OHA Drinking Water Services
PWS ID: 00239 ---- LONDON WATER CO-OP
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, DBP = Disinfection Byproducts, NO3 = Nitrate, SWTR = Surface Water Treatment Rule, TCR = Total Coliform Rule, VOC = Volatile Organic Chemicals
Purple shading indicates formal enforcement.  Gray shading indicates return to compliance. 

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Violation
Number
Monitoring Period
Begin
End
Determination
Date
Facility
ID
Analyte
Group
Violation Type - Analyte Count
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Enforcement Action - Date
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Points
903410259Oct 01, 2023 Oct 31, 2023Nov 27, 2023WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte 10
903410258Oct 01, 2023 Oct 31, 2023Nov 27, 2023WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte 10
903410253May 01, 2023 May 31, 2023Jun 22, 2023WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410252May 01, 2023 May 31, 2023Jun 22, 2023WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410251Apr 01, 2023 Apr 30, 2023May 23, 2023WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410250Apr 01, 2023 Apr 30, 2023May 23, 2023WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410249Feb 01, 2023 Feb 28, 2023Mar 22, 2023WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410248Feb 01, 2023 Feb 28, 2023Mar 22, 2023WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410236Nov 01, 2022 Nov 30, 2022Feb 02, 2023WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410235Nov 01, 2022 Nov 30, 2022Feb 02, 2023WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410138Aug 01, 2020 Aug 31, 2020Nov 18, 2020WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410139Jul 01, 2020 Jul 31, 2020Nov 18, 2020WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410140Jun 01, 2020 Jun 30, 2020Nov 18, 2020WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410116Dec 01, 2019 Dec 31, 2019Jan 30, 2020WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410115Dec 01, 2019 Dec 31, 2019Jan 30, 2020WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Bilateral Compliance Agreement Signed - Apr 03, 2023 10
903410096Dec 01, 2018 Jun 19, 2019 RL Public Notice Late/Nonreporting (Viol # 903410092) - 1 Bilateral Compliance Agreement Signed - Apr 03, 2023 1
903410092Dec 01, 2018 Apr 09, 2019 No Qualified Treatment Plant Operator - 1 Bilateral Compliance Agreement Signed - Apr 03, 2023 5
903410231Oct 01, 2022 Oct 31, 2022Nov 04, 2022 TCR Acute MCL for E. coli - 1 Returned To Compliance - Nov 16, 2022 10
903410187Oct 01, 2021 Oct 31, 2021Nov 30, 2021 TCR Public Notice Late/Nonreporting (Viol # 903410179) - 1 Returned To Compliance - Mar 23, 2022 1
903410179Oct 01, 2021 Oct 31, 2021Oct 11, 2021 TCR Acute MCL for E. coli - 1 Returned To Compliance - Mar 23, 2022 10
903410154Aug 01, 2020 Aug 31, 2020Jan 26, 2021 SWTR Public Notice Late/Nonreporting (Viol # 903410138) - 1  Show analyte Returned To Compliance - Apr 03, 2023 1
903410153Jul 01, 2020 Jul 31, 2020Jan 26, 2021 SWTR Public Notice Late/Nonreporting (Viol # 903410139) - 1  Show analyte Returned To Compliance - Apr 03, 2023 1
903410152Jun 01, 2020 Jun 30, 2020Jan 26, 2021 SWTR Public Notice Late/Nonreporting (Viol # 903410140) - 1  Show analyte Returned To Compliance - Apr 03, 2023 1
903410118Dec 01, 2019 Dec 31, 2019Apr 22, 2020 SWTR Public Notice Late/Nonreporting (Viol # 903410115) - 1  Show analyte Returned To Compliance - Apr 03, 2023 1
903410104Mar 01, 2019 Mar 31, 2019Aug 23, 2019 SWTR Public Notice Late/Nonreporting (Viol # 903410097) - 1  Show analyte Returned To Compliance - Apr 03, 2023 1
903410099Mar 01, 2019 Mar 31, 2019Jun 19, 2019WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Returned To Compliance - Jun 10, 2019 10
903410097Mar 01, 2019 Mar 31, 2019Jun 19, 2019WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Returned To Compliance - Jun 10, 2019 10
903410102Feb 01, 2019 Feb 28, 2019Aug 23, 2019 SWTR Public Notice Late/Nonreporting (Viol # 903410098) - 1  Show analyte Returned To Compliance - Apr 03, 2023 1
903410100Feb 01, 2019 Feb 28, 2019Jun 19, 2019WTP-A SWTR Turbidity Standards Not Met (Max NTU) - 1  Show analyte Returned To Compliance - Jun 10, 2019 10
903410098Feb 01, 2019 Feb 28, 2019Jun 19, 2019WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Returned To Compliance - Jun 10, 2019 10
903410257Oct 01, 2023 Oct 12, 2023Oct 11, 2023 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Oct 12, 2023 1
903410256Jun 01, 2023 Jun 30, 2023Jul 26, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Hide analytes
CHLORINE
SURFACE WATER TREATMENT RULE (SWTR)
TURBIDITY
Returned To Compliance - Aug 10, 2023 1
903410244Feb 01, 2023 Feb 28, 2023Mar 13, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 06, 2023 1
903410247Jan 01, 2023 Jan 31, 2023Mar 13, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Mar 10, 2023 1
903410241Dec 01, 2022 Dec 31, 2022Feb 02, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 13, 2023 1
903410242Nov 01, 2022 Nov 30, 2022Feb 02, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 13, 2023 1
903410234Oct 01, 2022 Oct 31, 2022Dec 13, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 13, 2023 1
903410230Sep 01, 2022 Sep 30, 2022Oct 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 31, 2022 1
903410229Aug 01, 2022 Aug 31, 2022Oct 11, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Oct 10, 2022 1
903410226Jul 01, 2022 Jul 31, 2022Sep 13, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Oct 10, 2022 1
903410223Jun 01, 2022 Jun 30, 2022Jul 29, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Oct 10, 2022 1
903410220May 01, 2022 May 31, 2022Jun 13, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 03, 2022 1
903410219Mar 01, 2022 Mar 31, 2022Apr 25, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - May 10, 2022 1
903410216Dec 01, 2021 Dec 31, 2021Jan 24, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 09, 2022 1
903410213Jan 01, 2021 Dec 31, 2021Jan 24, 2022EP-A VOC Chemical Late/Nonreporting - 21  Show analytes Returned To Compliance - Oct 10, 2022 1
903410192Jan 01, 2021 Dec 31, 2021Jan 24, 2022EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Sep 22, 2022 5
903410191Nov 01, 2021 Nov 30, 2021Dec 23, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 09, 2022 1
903410188Nov 01, 2021 Nov 30, 2021Dec 13, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Dec 07, 2021 1
903410186Oct 01, 2021 Oct 31, 2021Nov 30, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 09, 2022 1
903410183Sep 01, 2021 Sep 30, 2021Nov 05, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 09, 2022 1
903410180Sep 01, 2021 Sep 30, 2021Oct 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 07, 2021 1
903410178Jul 01, 2021 Jul 31, 2021Aug 24, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410175Jun 01, 2021 Jun 30, 2021Jul 22, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410172Apr 01, 2021 Jun 30, 2021Jul 22, 2021DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jul 20, 2021 1
903410170May 01, 2021 May 31, 2021Jun 22, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410167Apr 01, 2021 Apr 30, 2021May 21, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410164Mar 01, 2021 Mar 31, 2021Apr 21, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410161Feb 01, 2021 Feb 28, 2021Mar 18, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410158Feb 01, 2021 Feb 28, 2021Mar 11, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 03, 2021 1
903410157Jan 01, 2021 Jan 31, 2021Feb 19, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410151Dec 01, 2020 Dec 31, 2020Jan 26, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410148Oct 01, 2020 Dec 31, 2020Jan 26, 2021DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Mar 18, 2021 1
903410146Nov 01, 2020 Nov 30, 2020Dec 22, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410143Oct 01, 2020 Oct 31, 2020Nov 18, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410137Sep 01, 2020 Sep 30, 2020Nov 02, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410134Aug 01, 2020 Aug 31, 2020Sep 28, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410131Jul 01, 2020 Jul 31, 2020Aug 24, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410128Jun 01, 2020 Jun 30, 2020Jul 29, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410125May 01, 2020 May 31, 2020Jun 17, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410122Apr 01, 2020 Apr 30, 2020May 28, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 10, 2021 1
903410119Apr 01, 2020 Apr 30, 2020May 12, 2020 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - May 07, 2020 1
903410114Nov 01, 2019 Nov 30, 2019Dec 16, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Jan 08, 2020 1
903410111Oct 01, 2019 Oct 31, 2019Nov 27, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Jan 08, 2020 1
903410108Oct 01, 2019 Oct 31, 2019Nov 12, 2019 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 07, 2019 1
903410107Aug 01, 2019 Aug 31, 2019Sep 19, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Oct 09, 2019 1
903410095Mar 01, 2019 Mar 31, 2019Apr 18, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - May 06, 2019 1
903410091Feb 01, 2019 Feb 28, 2019Mar 18, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - May 06, 2019 1
903410087Jan 01, 2019 Jan 31, 2019Feb 19, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - May 06, 2019 1
903410084Dec 01, 2018 Dec 31, 2018Jan 30, 2019WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - May 06, 2019 1
903410081Jan 01, 2018 Dec 31, 2018Jan 30, 2019DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Oct 11, 2019 1
SYSTEM SCORE SUMMARY
Learn about system scores
Unaddressed Points:
Number of years the oldest violation has been unaddressed (n):
System Score:
Points under formal enforcement:
Points RTC'd:
20
0
20
136
121

Violation history was last updated on 12/4/2023, 0 hours ago.

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