OHA Drinking Water Services
OR41
PWS ID: 06118 ---- COLUMBIA HILLS HOA
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, GWR = Ground Water Rule, LCR = Lead & Copper Rule, RAD = Radionuclides
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
Show history
Points Contact
Report
900000825Jan 01, 2025 Dec 31, 2025SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1
COLIPHAGE (FOR GWR)
1
900000824Jan 01, 2025 Dec 31, 2025SRC-AH GWR Source Assessment Sample - Late/Nonreporting - 1 1
900000823Jan 01, 2024 Dec 31, 2024SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
900000822Jan 01, 2024 Dec 31, 2024SRC-AH GWR Source Assessment Sample - Late/Nonreporting - 1 1
900000802Jan 01, 2021 Dec 31, 2021SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
900000819Apr 01, 2024 Jun 30, 2024EP-A RAD Chemical Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 04, 2024 1
900000816Jan 01, 2024 Jun 30, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Oct 08, 2024 1
900000815Jan 01, 2024 Mar 31, 2024EP-A RAD Chemical Late/Nonreporting - 3  Show analytes Returned To Compliance - Sep 04, 2024 1
900000810Jan 01, 2023 Dec 31, 2023SRC-AC GWR Source Assessment Sample - Late/Nonreporting - 1 No Longer Required To Comply - Sep 29, 2004 1
900000809Jan 01, 2023 Dec 31, 2023SRC-AG GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Oct 07, 2024 1
900000805Oct 01, 2023 Oct 18, 2023 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Oct 18, 2023 1
900000808Jul 01, 2023 Sep 30, 2023EP-A RAD Chemical Late/Nonreporting - 3  Show analytes Returned To Compliance - Nov 17, 2023 1
900000804Jul 01, 2023 Aug 20, 2023 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Aug 20, 2023 1
900000803Jan 01, 2022 Dec 31, 2022SRC-AD GWR Source Assessment Sample - Late/Nonreporting - 1 No Longer Required To Comply - Sep 29, 2004 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:
5
4
9
0
9

Violation history was last updated on 3/20/2026, 48 hours ago.

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