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. 

Show Auto-RTC  |  Show Determination Dates  |  Return to default sort order
Go to public notices
Violation
Number		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
900908753Jan 01, 2025 Dec 31, 2025SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
900908752Jul 01, 2025 Sep 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 07, 2025 1
900908751Apr 01, 2025 Jun 30, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 07, 2025 1
900908750Jan 01, 2024 Dec 31, 2024EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Oct 10, 2025 5
900908749Sep 01, 2024 Sep 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 04, 2024 1
900908748Jan 01, 2023 Dec 31, 2023SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Feb 09, 2024 1
900908747Oct 01, 2022 Dec 31, 2022EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Feb 10, 2023 5
900908746Jul 01, 2022 Sep 30, 2022EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Feb 10, 2023 5
900908744Mar 02, 2022 Mar 13, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Feb 09, 2024 1
900908743Feb 16, 2022 Feb 27, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Feb 09, 2024 1
900908742Oct 01, 2021 Dec 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Feb 25, 2022 5
900908741Dec 15, 2021 Dec 26, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Dec 27, 2021 1
900908739Aug 11, 2021 Aug 22, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Dec 27, 2021 1
900908738Jun 10, 2021 Jun 21, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Dec 27, 2021 1
900908737Jan 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 3/26/2026, 10 hours ago.

For questions regarding these violations contact either: