OHA Drinking Water Services
OR41
PWS ID: 95118 ---- USACE COTTAGE GROVE
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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900738448YJan 01, 2025 Dec 31, 2025EP-B NO3 Chemical Late/Nonreporting - 1 5 4/20/2026
900738447YJan 01, 2025 Dec 31, 2025EP-C NO3 Chemical Late/Nonreporting - 1 5 4/20/2026
900738445YAug 01, 2025 Aug 31, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 09, 2025 1
900738443YJan 01, 2023 Dec 31, 2023EP-B NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Aug 09, 2024 5
900738442NJan 01, 2023 Dec 31, 2023SRC-BA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - May 22, 2024 1
900738441YSep 01, 2023 Sep 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 06, 2023 1
900738439YJan 01, 2022 Dec 31, 2022EP-C NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Oct 05, 2023 5
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:
10
0
10
0
13

Violation history was last updated on 4/29/2026, 2 hours ago.

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