OHA Drinking Water Services
OR41
PWS ID: 92639 ---- USFS TRILLIUM LAKE CG
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
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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900755022NJan 01, 2024 Dec 31, 2024SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Jun 20, 2025 1
900755021NSep 01, 2024 Sep 30, 2024SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Jun 20, 2025 1 4/10/2025
900755020NAug 01, 2024 Aug 31, 2024SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Jun 20, 2025 1 4/10/2025
900755019NJul 01, 2024 Jul 31, 2024SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Jun 20, 2025 1 4/10/2025
900755018YJun 01, 2024 Jun 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 15, 2024 1
900755017NJan 01, 2021 Dec 31, 2021SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Sep 13, 2022 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:
0
0
0
0
6

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

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