OHA Drinking Water Services
OR41
PWS ID: 00930 ---- WALLOWA, CITY OF
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, NO3 = Nitrate, TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

Hide Auto-RTC  |  Show Determination Dates
Go to public notices
Violation
Number
Auto-
RTC?
Monitoring Period
Begin
End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
Show analytes for all violations
Enforcement Action - Date
Show history
Points Contact
Report
901769927YFeb 01, 2026 Feb 28, 2026 TCR Routine Coliform - Did Not Report ANY - 1 1
901769926YJul 01, 2025 Aug 27, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Aug 27, 2025 1
901769925YJul 01, 2024 Jul 30, 2024 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 30, 2024 1
901769924YJul 01, 2023 Jul 14, 2023 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 14, 2023 1
901769920YJan 01, 2021 Dec 31, 2021EP-C NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - May 25, 2022 5
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
8

Violation history was last updated on 3/19/2026, 23 hours ago.

For questions regarding these violations contact either: