OHA Drinking Water Services
OR41
PWS ID: 95571 ---- HANLEY FARM LIVING HISTORY MUSEUM
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
Auto-
RTC?
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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34YJul 01, 2025 Sep 30, 2025EP-A NO3 Chemical Late/Nonreporting - 1 5
38NDec 01, 2025 Dec 31, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 1
37NNov 01, 2025 Nov 30, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 1
36NOct 01, 2025 Oct 31, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 1
32NJun 01, 2025 Jun 30, 2025WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Sep 03, 2025 10
26NApr 01, 2024 Jun 30, 2024EP-A NO3 Chemical MCL based on Average of Samples - 1 Returned To Compliance - Dec 30, 2024 10
23NDec 01, 2023 Dec 31, 2023 TCR Acute MCL for E. coli - 1 Returned To Compliance - Jan 12, 2024 10
29YJan 01, 2025 Mar 31, 2025EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Apr 24, 2025 5
13NJan 30, 2021 Oct 28, 2021 GWR Failure to Correct Source Contamination - 1 Returned To Compliance - Oct 28, 2020 5
33YSep 01, 2025 Sep 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 04, 2025 1
31YJun 01, 2025 Jun 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 22, 2025 1
30NMar 01, 2025 Mar 31, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - May 02, 2025 1
28YFeb 01, 2025 Feb 28, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 02, 2025 1
27YAug 01, 2024 Aug 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 02, 2024 1
25NDec 01, 2023 Dec 31, 2023 TCR Public Notice Late/Nonreporting (Viol # 23) - 1 Returned To Compliance - Dec 23, 2023 1
24NNov 01, 2023 Nov 30, 2023WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Jan 03, 2024 1
22NJun 01, 2023 Jun 30, 2023WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Aug 02, 2023 1
21NJun 01, 2022 Jun 30, 2022WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Jul 11, 2022 1
20NMay 01, 2022 May 31, 2022WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Jun 15, 2022 1
19NApr 01, 2022 Apr 30, 2022WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Jun 15, 2022 1
18NFeb 01, 2022 Feb 28, 2022WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Jun 15, 2022 1
17NJan 01, 2022 Jan 31, 2022WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Jun 15, 2022 1
16YNov 01, 2021 Nov 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Dec 16, 2021 1
15NJan 30, 2021 Jul 06, 2021 GWR Public Notice Late/Nonreporting (Viol # 13) - 1 Returned To Compliance - Jul 06, 2021 1
14YApr 01, 2021 Apr 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - May 26, 2021 1
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:
8
0
8
0
56

Violation history was last updated on 3/18/2026, 10 hours ago.

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