OHA Drinking Water Services
OR41
PWS ID: 94597 ---- WALLOWA LAKE TRAMWAY
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 		Determination
Date		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
1596028NAug 21, 2025 Sep 01, 2025Sep 02, 2025DIST-A GWR Source Sample - Late/Nonreporting - 1 1
1596027YJul 01, 2025 Jul 31, 2025Aug 11, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 22, 2025 1
1596026YAug 01, 2021 Aug 31, 2021Sep 13, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Sep 22, 2021 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
2

Violation history was last updated on 11/4/2025, 1 hour ago.

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More information for this water system: SDWIS ID 2833
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