OHA Drinking Water Services
OR41
PWS ID: 00493 ---- LYONS MEHAMA WATER DISTRICT
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, LCR = Lead & Copper Rule, SWTR = Surface Water Treatment Rule, TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

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Violation
Number		Auto-
RTC?		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
902755323YAug 01, 2025 Aug 31, 2025Oct 02, 2025EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte 1
902755322YAug 01, 2025 Aug 31, 2025Sep 30, 2025WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes 1
902755319YJul 01, 2025 Jul 22, 2025 CCR CCR Late/Nonreporting - 1 1
902755301YJan 01, 2022 Dec 31, 2024Nov 05, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte 1
902755318YApr 01, 2025 Apr 30, 2025May 21, 2025EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Jun 03, 2025 1
902755317YApr 01, 2025 Apr 30, 2025May 21, 2025WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Jun 03, 2025 1
902755314YFeb 01, 2025 Feb 28, 2025Apr 02, 2025EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Mar 31, 2025 1
902755313YFeb 01, 2025 Feb 28, 2025Apr 02, 2025WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Mar 31, 2025 1
902755310YFeb 01, 2025 Feb 28, 2025Mar 11, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 25, 2025 1
902755309YDec 01, 2024 Dec 31, 2024Feb 04, 2025EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Feb 10, 2025 1
902755308YDec 01, 2024 Dec 31, 2024Feb 04, 2025WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 10, 2025 1
902755305YNov 01, 2024 Nov 30, 2024Dec 30, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Feb 10, 2025 1
902755302YOct 01, 2024 Oct 22, 2024Nov 06, 2024 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Oct 22, 2024 1
902755300YJul 01, 2024 Oct 22, 2024Jul 11, 2024 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Oct 22, 2024 1
902755286YOct 01, 2023 Apr 10, 2024Oct 11, 2023 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Apr 10, 2024 1
902755281YJul 01, 2023 Apr 10, 2024Jul 11, 2023 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Apr 10, 2024 1
902755299YJan 01, 2024 Jan 31, 2024Feb 15, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Mar 08, 2024 1
902755296YJan 01, 2024 Jan 31, 2024Feb 15, 2024EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Mar 08, 2024 1
902755295YDec 01, 2023 Dec 31, 2023Jan 29, 2024EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Mar 08, 2024 1
902755294YDec 01, 2023 Dec 31, 2023Jan 29, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Mar 08, 2024 1
902755291YNov 01, 2023 Nov 30, 2023Dec 26, 2023EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Mar 08, 2024 1
902755290YSep 01, 2023 Sep 30, 2023Oct 26, 2023EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Nov 09, 2023 1
902755289YSep 01, 2023 Sep 30, 2023Oct 26, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Nov 09, 2023 1
902755285YAug 01, 2023 Aug 31, 2023Sep 21, 2023EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Nov 09, 2023 1
902755284YAug 01, 2023 Aug 31, 2023Sep 21, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Nov 09, 2023 1
902755280YMay 01, 2023 May 31, 2023Jun 22, 2023EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Jul 10, 2023 1
902755279YMay 01, 2023 May 31, 2023Jun 22, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Jul 10, 2023 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: 		4
0
4
0
23

Violation history was last updated on 11/3/2025, 10 hours ago.

For questions regarding these violations contact either:

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