OHA Drinking Water Services
OR41
PWS ID: 00927 ---- TIDEWATER GRANGE DIST IMP CO
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  NO3 = Nitrate, SWTR = Surface Water Treatment Rule, TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

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Violation
Number		Monitoring Period
Begin
End 		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
900010611Feb 01, 2026 Feb 28, 2026 TCR Routine Coliform - Did Not Report ANY - 1 1
900010610Jan 01, 2026 Jan 31, 2026 TCR Routine Coliform - Did Not Report ANY - 1 1
900010613Jan 01, 2025 Dec 31, 2025EP-A NO3 Chemical Late/Nonreporting - 1 5
900010612Jan 01, 2025 Dec 31, 2025EP-B NO3 Chemical Late/Nonreporting - 1 5
900010598Jan 01, 2024 Dec 31, 2024EP-B NO3 Chemical Late/Nonreporting - 1 5
900010609Nov 01, 2025 Nov 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010608Oct 01, 2025 Oct 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010607Sep 01, 2025 Sep 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010606Aug 01, 2025 Aug 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010605Jul 01, 2025 Jul 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010604Jun 01, 2025 Jun 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010603May 01, 2025 May 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010602Apr 01, 2025 Apr 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010601Mar 01, 2025 Mar 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010600Feb 01, 2025 Feb 28, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010599Jan 01, 2025 Jan 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010597Dec 01, 2024 Dec 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010596Nov 01, 2024 Nov 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010595Oct 01, 2024 Oct 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010594Sep 01, 2024 Sep 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010593Aug 01, 2024 Aug 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010592Jul 01, 2024 Jul 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 02, 2026 1
900010578Jan 01, 2022 Jul 01, 2024 SWTR Failure to Install or Use SW Treatment - 1  Hide analyte
SWTR
Returned To Compliance - Jul 01, 2024 10
900010582Jan 01, 2022 Jun 03, 2024 SWTR Public Notice Late/Nonreporting (Viol # 900010578) - 1  Show analyte Returned To Compliance - Jun 03, 2024 1
900010591May 01, 2024 May 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010590Apr 01, 2024 Apr 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010589Mar 01, 2024 Mar 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010588Feb 01, 2024 Feb 29, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010587Jan 01, 2024 Jan 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010586Jan 01, 2023 Dec 31, 2023EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jul 01, 2024 5
900010585Jan 01, 2023 Dec 31, 2023EP-B NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jul 01, 2024 5
900010584Dec 01, 2023 Dec 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010583Nov 01, 2023 Nov 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010581Oct 01, 2023 Oct 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010580Sep 01, 2023 Sep 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010579Aug 01, 2023 Aug 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010577Jul 01, 2023 Jul 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010576Jun 01, 2023 Jun 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010575May 01, 2023 May 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010574Apr 01, 2023 Apr 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010573Mar 01, 2023 Mar 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010572Feb 01, 2023 Feb 28, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010571Jan 01, 2023 Jan 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010570Jan 01, 2022 Dec 31, 2022EP-B NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jul 01, 2024 5
900010569Dec 01, 2022 Dec 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010568Nov 01, 2022 Nov 30, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010567Oct 01, 2022 Oct 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010566Sep 01, 2022 Sep 30, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 01, 2024 1
900010565Jul 01, 2022 Jul 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010564Jun 01, 2022 Jun 30, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010563May 01, 2022 May 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010562Apr 01, 2022 Apr 30, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010561Mar 01, 2022 Mar 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010560Feb 01, 2022 Feb 28, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010559Jan 01, 2022 Jan 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010558Jan 01, 2021 Dec 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Aug 17, 2022 5
900010557Jan 01, 2021 Dec 31, 2021EP-B NO3 Chemical Late/Nonreporting - 1 No Additional Action Needed - Dec 31, 2021 5
900010556Dec 01, 2021 Dec 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010555Nov 01, 2021 Nov 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010554Oct 01, 2021 Oct 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010553Sep 01, 2021 Sep 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010552Aug 01, 2021 Aug 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010551Jul 01, 2021 Jul 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010550Jun 01, 2021 Jun 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010549May 01, 2021 May 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010548Apr 01, 2021 Apr 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 1
900010547Mar 01, 2021 Mar 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2022 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: 		17
1
18
0
91

Violation history was last updated on 3/20/2026, 0 hours ago.

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