OHA Drinking Water Services
OR41
PWS ID: 94796 ---- OASIS ON THE SNAKE #2 ---- INACTIVE
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
Show history 		Points Contact
Report
903505486YJan 01, 2024 Dec 31, 2024EP-A NO3 Chemical Late/Nonreporting - 1 5
903505482NOct 02, 2024 Oct 13, 2024DIST-A GWR Source Sample - Late/Nonreporting - 1 1
903505483YSep 01, 2024 Sep 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 1
903505480NJul 17, 2024 Jul 28, 2024DIST-A GWR Source Sample - Late/Nonreporting - 1 1
903505478NJun 12, 2024 Jun 23, 2024DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Jul 19, 2024 1
903505477YJul 01, 2023 Sep 30, 2023EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Dec 15, 2023 5
903505475NSep 06, 2023 Sep 17, 2023DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Jul 19, 2024 1
903505474NAug 02, 2023 Aug 13, 2023DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Jul 19, 2024 1
903505473YJul 01, 2023 Jul 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Aug 04, 2023 1
903505472NJun 07, 2023 Jun 18, 2023DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Jul 19, 2024 1
903505471NJul 06, 2022 Jul 17, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Nov 30, 2022 1
903505470NJan 01, 2022 Mar 31, 2022EP-A NO3 Chemical MCL based on Average of Samples - 1 Returned To Compliance - Apr 14, 2023 10 12/28/2022
903505469NJan 01, 2022 Mar 31, 2022 NO3 Public Notice Late/Nonreporting (Viol # 903505468) - 1 Returned To Compliance - Feb 18, 2022 1
903505468NJan 01, 2022 Mar 31, 2022EP-A NO3 Chemical MCL based on 1 Sample - 1 Returned To Compliance - Apr 14, 2023 10
903505463NNov 22, 2020 Feb 18, 2022 Public Notice Late/Nonreporting (Viol # 903505460) - 1 Returned To Compliance - Feb 18, 2022 1
903505460NNov 22, 2020 Feb 18, 2022 Coliform Investigation Nonreporting - 1 Returned To Compliance - Feb 18, 2022 5
903505466NAug 11, 2021 Aug 22, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 27, 2021 1
903505465NJun 10, 2021 Jun 21, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 27, 2021 1
903505464YApr 01, 2021 Apr 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - May 14, 2021 1
903505462NFeb 03, 2021 Feb 14, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 27, 2021 1
903505461NJan 06, 2021 Jan 17, 2021DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 27, 2021 1
SYSTEM SCORE SUMMARY
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Violation history was last updated on 5/30/2025, 22 hours ago.

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More information for this water system: SDWIS ID 2138
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