OHA Drinking Water Services
OR41
PWS ID: 00510 ---- MAUPIN, CITY OF
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, DBP = Disinfection Byproducts, GWR = Ground Water Rule, LCR = Lead & Copper Rule, LCRR = Lead & Copper Rule Revisions, 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
900700433NJul 01, 2025 Jul 31, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 1 9/23/2025
900700431YJul 01, 2025 Jul 15, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 15, 2025 1
900700432NJun 01, 2025 Jun 30, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 1 9/23/2025
900700430NDec 21, 2024 LCRR Public Notice Late/Nonreporting (Viol # 900700429) - 1
LEAD AND COPPER RULE REVISIONS
 1
900700429YDec 21, 2024 LCRR Initial SL Inventory Late/Nonreporting - 1 Public Notice Required 5
900700428YDec 01, 2024 Dec 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 08, 2025 1
900700427YNov 01, 2024 Nov 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 08, 2025 1
900700426YOct 01, 2024 Jul 15, 2025 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Jul 15, 2025 1
900700425NAug 01, 2024 Aug 31, 2024WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Oct 03, 2024 1
900700424YJul 01, 2024 Jul 15, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 15, 2025 1
900700421NAug 01, 2023 Aug 31, 2023WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Oct 03, 2024 1
900700420NMay 01, 2023 May 31, 2023WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Oct 03, 2024 1
900700419YMay 01, 2023 May 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 27, 2023 1
900700417NApr 01, 2022 Apr 30, 2022WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Oct 03, 2024 1
900700423YJan 01, 2021 Dec 31, 2023DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Aug 09, 2024 1
900700416YJan 01, 2021 Dec 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Feb 23, 2022 5 1/27/2022
900700418YJan 01, 2020 Dec 31, 2022DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Oct 10, 2024 1
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: 		8
1
9
0
17

Violation history was last updated on 3/17/2026, 6 hours ago.

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