OHA Drinking Water Services
OR41
PWS ID: 05529 ---- HISTORIC HOT LAKE
Violation History

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

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Violation
Number		Monitoring Period
Begin
End 		Determination
Date		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
3429515Jan 01, 2025 Jan 31, 2025Feb 11, 2025 TCR Temporary Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2025 1 2/18/2025
3429514Jan 01, 2024 Dec 31, 2024Feb 04, 2025EP-B NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Feb 18, 2025 5 2/18/2025
3429513Jan 01, 2023 Mar 31, 2023Apr 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 21, 2023 1
3429512Jan 01, 2022 Mar 31, 2022Apr 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 15, 2022 1 4/12/2022
3429511Jan 01, 2021 Dec 31, 2021Jan 24, 2022EP-B NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Apr 19, 2022 5 4/12/2022
3429510Oct 01, 2021 Dec 31, 2021Jan 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 15, 2022 1 4/12/2022
3429509Jul 01, 2021 Sep 30, 2021Oct 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 15, 2022 1 4/12/2022
3429508Apr 01, 2021 Jun 30, 2021Jul 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 15, 2022 1 4/12/2022
3429507Jan 01, 2021 Mar 31, 2021Apr 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 15, 2022 1 4/12/2022
3429506Oct 01, 2020 Dec 31, 2020Jan 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Apr 15, 2022 1 4/12/2022
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: 		0
0
0
0
18

Violation history was last updated on 10/28/2025, 13 hours ago.

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More information for this water system: SDWIS ID 2441
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