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
Auto-
RTC?
Monitoring Period
Begin
End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
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Enforcement Action - Date
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900976562YJan 01, 2026 Jan 31, 2026WTP-A SWTR Monthly SW Report - Late/Nonreporting - 2  Show analytes 1
900976564YJan 01, 2025 Dec 31, 2025DIST-A DBP DBP Late/Nonreporting - 2  Show analytes 1
900976559YJul 01, 2025 Sep 16, 2025 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Sep 16, 2025
1
900976553YOct 01, 2024 Sep 16, 2025 CCR CCR Certification Late/Nonreporting - 1
Returned To Compliance - Sep 16, 2025
1
900976560YJan 01, 2025 Jun 30, 2025DIST-A LCR LCR Late/Nonreporting - 1  Show analyte
Returned To Compliance - Nov 07, 2025
1
900976527NDec 27, 2017 Feb 27, 2025 SWTR Failure to Install or Use SW Treatment - 1  Show analyte
Returned To Compliance - Feb 27, 2025
Bilateral Compliance Agreement Signed - May 23, 2018
10
900976558YJul 01, 2024 Dec 31, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte
Returned To Compliance - Nov 07, 2025
1
900976557YDec 01, 2024 Dec 31, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte
Returned To Compliance - Feb 10, 2025
1
900976556YNov 01, 2024 Nov 30, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte
Returned To Compliance - Feb 10, 2025
1
900976554YOct 01, 2024 Oct 31, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte
Returned To Compliance - Dec 04, 2024
1
900976552YSep 01, 2024 Sep 30, 2024 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Oct 11, 2024
1
900976551NJul 01, 2024 Jul 31, 2024WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte
Returned To Compliance - Sep 09, 2024
10
900976549YJul 01, 2024 Jul 30, 2024 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Jul 30, 2024
1
900976550YJan 01, 2024 Jun 30, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte
Returned To Compliance - Jan 24, 2025
1
900976548YOct 01, 2023 Nov 28, 2023 CCR CCR Certification Late/Nonreporting - 1
Returned To Compliance - Nov 28, 2023
1
900976546YJul 01, 2023 Nov 28, 2023 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Nov 28, 2023
1
900976547YJan 01, 2023 Jun 30, 2023DIST-A LCR LCR Late/Nonreporting - 1  Show analyte
Returned To Compliance - Sep 21, 2023
1
900976544YDec 01, 2022 Dec 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Jan 06, 2023
1
900976545NSep 01, 2022 Sep 30, 2022WTP-A SWTR Failure to Maintain EP Disinfection - 1  Show analyte
Returned To Compliance - Dec 09, 2022
10
900976543YSep 01, 2022 Sep 30, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Hide analytes
CHLORINE
SWTR
TURBIDITY
Returned To Compliance - Nov 07, 2022
1
900976540NJun 01, 2021 Jun 30, 2021WTP-A SWTR Turbidity Standards Not Met (95% NTU) - 1  Show analyte
Returned To Compliance - Feb 27, 2025
Bilateral Compliance Agreement Signed - May 23, 2018
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, 50 hours ago.

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