OHA Drinking Water Services
OR41
PWS ID: 00703 ---- RICHLAND, CITY OF
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, DBP = Disinfection Byproducts, 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		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
900976562Jan 01, 2026 Jan 31, 2026WTP-A SWTR Monthly SW Report - Late/Nonreporting - 2  Show analytes 1
900976564Jan 01, 2025 Dec 31, 2025DIST-A DBP DBP Late/Nonreporting - 2  Show analytes 1
900976559Jul 01, 2025 Sep 16, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Sep 16, 2025 1
900976553Oct 01, 2024 Sep 16, 2025 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Sep 16, 2025 1
900976560Jan 01, 2025 Jun 30, 2025DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Nov 07, 2025 1
900976527Dec 27, 2017 Feb 27, 2025 SWTR Failure to Install or Use SW Treatment - 1  Show analyte Returned To Compliance - Feb 27, 2025 10
900976558Jul 01, 2024 Dec 31, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Nov 07, 2025 1
900976557Dec 01, 2024 Dec 31, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Feb 10, 2025 1
900976556Nov 01, 2024 Nov 30, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Feb 10, 2025 1
900976554Oct 01, 2024 Oct 31, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 04, 2024 1
900976552Sep 01, 2024 Sep 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Oct 11, 2024 1
900976551Jul 01, 2024 Jul 31, 2024WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Returned To Compliance - Sep 09, 2024 10
900976549Jul 01, 2024 Jul 30, 2024 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 30, 2024 1
900976550Jan 01, 2024 Jun 30, 2024DIST-A LCR LCR Late/Nonreporting - 1  Hide analyte
LEAD & COPPER RULE
Returned To Compliance - Jan 24, 2025 1
900976548Oct 01, 2023 Nov 28, 2023 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Nov 28, 2023 1
900976546Jul 01, 2023 Nov 28, 2023 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Nov 28, 2023 1
900976547Jan 01, 2023 Jun 30, 2023DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Sep 21, 2023 1
900976544Dec 01, 2022 Dec 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 06, 2023 1
900976545Sep 01, 2022 Sep 30, 2022WTP-A SWTR Failure to Maintain EP Disinfection - 1  Show analyte Returned To Compliance - Dec 09, 2022 10
900976543Sep 01, 2022 Sep 30, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Nov 07, 2022 1
900976540Jun 01, 2021 Jun 30, 2021WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte Returned To Compliance - Feb 27, 2025 10
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: 		2
0
2
0
55

Violation history was last updated on 3/20/2026, 52 hours ago.

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