OHA Drinking Water Services
OR41
PWS ID: 01268 ---- IMNAHA WATER SYSTEM
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  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
Hide analytes for all violations 		Enforcement Action - Date
Hide history 		Points Contact
Report
903273618YApr 01, 2025 Jun 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 1
903273617YApr 01, 2024 Jun 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Sep 27, 2024
 1
903273616YJan 01, 2023 Mar 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 12, 2023
 1
903273615YOct 01, 2022 Dec 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 12, 2023
 1
903273614YApr 01, 2022 Jun 30, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Sep 29, 2022
 1
SYSTEM SCORE SUMMARY
Learn about system scores		Unaddressed Points:
Number of years the oldest violation has been unaddressed (n):
System Score:
Points under formal enforcement:
Points RTC'd: 		1
0
1
0
4

Violation history was last updated on 11/4/2025, 2 hours ago.

For questions regarding these violations contact either:

More information for this water system: SDWIS ID 2366
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