OHA Drinking Water Services
OR41
PWS ID: 01216 ---- DUFUR, SOUTH BASIN
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, GWR = Ground Water Rule, NO3 = Nitrate, RAD = Radionuclides, 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
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
902750679YJan 01, 2017 Dec 31, 2025EP-A RAD Chemical Late/Nonreporting - 1  Show analyte 1
902750678NJan 01, 2025 Dec 31, 2025SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
902750677YOct 01, 2025 Feb 20, 2026 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Feb 20, 2026 1 2/26/2026
902750675YJul 01, 2025 Feb 20, 2026 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Feb 20, 2026 1 2/26/2026
902750673YOct 01, 2024 Feb 20, 2026 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Feb 20, 2026 1 2/26/2026
902750672YJul 01, 2024 Feb 20, 2026 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Feb 20, 2026 1 2/26/2026
902750669YOct 01, 2023 Feb 20, 2026 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Feb 20, 2026 1 4/9/2024
902750668YJul 01, 2023 Feb 20, 2026 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Feb 20, 2026 1 4/9/2024
902750674YJan 01, 2024 Dec 31, 2024EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Oct 30, 2025 5
902750667YFeb 01, 2023 Feb 28, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 07, 2023 1
902750666NDec 11, 2021 Dec 16, 2021 Coliform Investigation Nonreporting - 1 Returned To Compliance - Dec 16, 2021 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: 		2
0
2
0
17

Violation history was last updated on 4/30/2026, 11 hours ago.

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