OHA Drinking Water Services
OR41
PWS ID: 91133 ---- SILVER LAKE MERCANTILE ---- INACTIVE
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  GWR = Ground Water Rule, NO3 = Nitrate, TCR = Total Coliform Rule
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
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
3069353Jan 01, 2024 Dec 31, 2024Feb 04, 2025EP-A NO3 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Jun 15, 2025 5
3069351Jun 01, 2024 Jun 30, 2024Jul 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Jun 15, 2025 1
3069350May 01, 2024 May 31, 2024Jun 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Jun 15, 2025 1
3069349Apr 01, 2024 Apr 30, 2024May 13, 2024 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Jun 15, 2025 1
3069348Mar 01, 2024 Mar 31, 2024Apr 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Jun 15, 2025 1
3069347Feb 01, 2024 Feb 29, 2024Mar 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Jun 15, 2025 1
3069346Dec 01, 2023 Dec 31, 2023Jan 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 02, 2024 1
3069345Nov 01, 2023 Nov 30, 2023Dec 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 02, 2024 1 12/11/2023
3069344Oct 01, 2023 Oct 31, 2023Nov 13, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 02, 2024 1 12/11/2023
3069343Sep 01, 2023 Sep 30, 2023Oct 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 02, 2024 1 12/11/2023
3069342Aug 01, 2023 Aug 31, 2023Sep 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 02, 2024 1 12/11/2023
3069341Jul 01, 2023 Jul 31, 2023Aug 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 02, 2024 1 12/11/2023
3069340May 01, 2023 May 31, 2023Jun 12, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 09, 2023 1
3069339Apr 01, 2023 Apr 30, 2023May 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 09, 2023 1
3069338Feb 01, 2023 Feb 28, 2023Mar 13, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 10, 2023 1
3069337Jan 01, 2023 Jan 31, 2023Feb 13, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 10, 2023 1 2/24/2023
3069336Jan 01, 2022 Dec 31, 2022Feb 02, 2023EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Mar 10, 2023 5 2/24/2023
3069335Dec 01, 2022 Dec 31, 2022Jan 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 10, 2023 1 2/24/2023
3069334Nov 01, 2022 Nov 30, 2022Dec 13, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 10, 2023 1 12/13/2022
3069333Oct 06, 2022 Oct 17, 2022Oct 18, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 No Longer Required To Comply - Jun 15, 2025 1 11/7/2022
3069332Sep 01, 2022 Sep 30, 2022Oct 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 07, 2022 1 11/7/2022
3069331Aug 01, 2022 Aug 31, 2022Sep 13, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 07, 2022 1 9/13/2022
3069330Jul 01, 2022 Jul 31, 2022Aug 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 07, 2022 1 8/15/2022
3069329Jun 01, 2022 Jun 30, 2022Jul 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 07, 2022 1 8/15/2022
3069328Apr 01, 2022 Apr 30, 2022May 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - May 26, 2022 1 2/24/2023
3069327Feb 01, 2022 Feb 28, 2022Mar 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 18, 2022 1 3/15/2022
3069326Jan 01, 2022 Jan 31, 2022Feb 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 18, 2022 1 3/15/2022
3069325Nov 01, 2021 Nov 30, 2021Dec 13, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Dec 11, 2021 1 2/24/2023
3069324Oct 01, 2021 Oct 31, 2021Nov 15, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Dec 11, 2021 1 2/24/2023
3069323Aug 23, 2021 Sep 03, 2021Sep 07, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Dec 11, 2021 1 2/24/2023
3069322Jul 28, 2021 Aug 08, 2021Aug 10, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Dec 11, 2021 1 2/24/2023
3069321Jun 01, 2021 Jun 30, 2021Jul 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 29, 2021 1 2/24/2023
3069320May 01, 2021 May 31, 2021Jun 11, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 29, 2021 1 2/24/2023
3069319Apr 01, 2021 Apr 30, 2021May 11, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 29, 2021 1 2/24/2023
SYSTEM SCORE SUMMARY
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Violation history was last updated on 3/17/2026, 2 hours ago.

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