OHA Drinking Water Services
OR41
PWS ID: 95225 ---- CIRCLE K #9641
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  GWR = Ground Water 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
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Enforcement Action - Date
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Points Contact
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1736Feb 01, 2026 Feb 28, 2026 TCR Routine Coliform - Did Not Report ANY - 1 1
1735Jan 01, 2026 Jan 31, 2026 TCR Routine Coliform - Did Not Report ANY - 1 1
1734Dec 31, 2025 GWR Failure to Correct Source Contamination - 1 Public Notice Required 5 2/3/2026
1733Dec 01, 2025 Dec 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 1
1732Nov 01, 2025 Nov 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 1
1731Oct 01, 2025 Oct 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 1
1730Sep 01, 2025 Sep 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 1 11/7/2025
1728Aug 01, 2025 Aug 31, 2025 TCR Acute MCL for E. coli - 1 10 11/7/2025
1727Mar 01, 2025 Mar 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 30, 2025 1
1726Nov 01, 2023 Nov 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 04, 2024 1 12/28/2023
1725Jun 01, 2023 Jun 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 24, 2023 1 7/13/2023
1724May 01, 2023 May 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 24, 2023 1 7/13/2023
1723Jan 01, 2021 Mar 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 08, 2021 1 5/20/2021
SYSTEM SCORE SUMMARY
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Unaddressed Points:
Number of years the oldest violation has been unaddressed (n):
System Score:
Points under formal enforcement:
Points RTC'd:
21
0
21
0
5

Violation history was last updated on 3/17/2026, 16 hours ago.

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