OHA Drinking Water Services
OR41
PWS ID: 05670 ---- BLUE DIAMOND GRWS-CONFER PLANT ---- INACTIVE
Violation History

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

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Violation
Number
Monitoring Period
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End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
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1485044Jan 01, 2023 Dec 31, 2023EP-A NO3 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Dec 17, 2024 5
1485043Oct 01, 2023 Dec 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Dec 17, 2024 1
1485042Jul 01, 2023 Sep 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Dec 17, 2024 1
1485041Jan 01, 2022 Dec 31, 2022EP-A NO3 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Dec 17, 2024 5 6/13/2023
1485040Oct 01, 2022 Dec 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Dec 17, 2024 1 6/13/2023
1485039Jul 01, 2022 Sep 30, 2022 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Dec 17, 2024 1 6/13/2023
1485038Jan 01, 2021 Dec 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1 No Additional Action Needed - Dec 31, 2021 5 6/13/2023
1485037Dec 01, 2021 Dec 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Additional Action Needed - Dec 31, 2021 1 6/13/2023
1485036Nov 01, 2021 Nov 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Additional Action Needed - Dec 31, 2021 1 6/13/2023
1485035Oct 01, 2021 Oct 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Additional Action Needed - Dec 31, 2021 1 6/13/2023
1485034Sep 01, 2021 Sep 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Additional Action Needed - Dec 31, 2021 1 6/13/2023
1485033Aug 01, 2021 Aug 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Additional Action Needed - Dec 31, 2021 1 6/13/2023
1485032Jul 01, 2021 Jul 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Additional Action Needed - Dec 31, 2021 1 6/13/2023
SYSTEM SCORE SUMMARY
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Violation history was last updated on 4/3/2026, 28 hours ago.

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