OHA Drinking Water Services
OR41
PWS ID: 94980 ---- OASIS ON THE SNAKE
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  GWR = Ground Water Rule, NO3 = Nitrate, 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
Hide history 		Points Contact
Report
900908753NJan 01, 2025 Dec 31, 2025SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
900908752YJul 01, 2025 Sep 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Nov 07, 2025
 1
900908751YApr 01, 2025 Jun 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Nov 07, 2025
 1
900908750YJan 01, 2024 Dec 31, 2024EP-A NO3 Chemical Late/Nonreporting - 1
Returned To Compliance - Oct 10, 2025
 5
900908749YSep 01, 2024 Sep 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Oct 04, 2024
 1
900908748NJan 01, 2023 Dec 31, 2023SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1
Returned To Compliance - Feb 09, 2024
 1
900908747YOct 01, 2022 Dec 31, 2022EP-A NO3 Chemical Late/Nonreporting - 1
Returned To Compliance - Feb 10, 2023
 5
900908746YJul 01, 2022 Sep 30, 2022EP-A NO3 Chemical Late/Nonreporting - 1
Returned To Compliance - Feb 10, 2023
 5
900908744NMar 02, 2022 Mar 13, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1
Returned To Compliance - Feb 09, 2024
 1
900908743NFeb 16, 2022 Feb 27, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1
Returned To Compliance - Feb 09, 2024
 1
900908742YOct 01, 2021 Dec 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1
Returned To Compliance - Feb 25, 2022
 5
900908741NDec 15, 2021 Dec 26, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1
Returned To Compliance - Dec 27, 2021
 1
900908739NAug 11, 2021 Aug 22, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1
Returned To Compliance - Dec 27, 2021
 1
900908738NJun 10, 2021 Jun 21, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1
Returned To Compliance - Dec 27, 2021
 1
900908737YJan 01, 2021 Mar 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1
Returned To Compliance - May 14, 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: 		1
0
1
0
34

Violation history was last updated on 3/18/2026, 6 hours ago.

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