OHA Drinking Water Services
OR41
PWS ID: 00922 ---- VERNONIA, CITY OF
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		Monitoring Period
Begin
End 		Determination
Date		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Hide history 		Points Contact
Report
901832447Jul 01, 2024 Aug 06, 2024Jul 11, 2024 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Aug 06, 2024
 1
901832440Jul 01, 2023 Oct 25, 2023Jul 11, 2023 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Oct 25, 2023
 1
901832445Aug 01, 2023 Aug 31, 2023Sep 21, 2023EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Oct 05, 2023
 1
901832444Aug 01, 2023 Aug 31, 2023Sep 21, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes
Returned To Compliance - Oct 05, 2023
 1
901832441Aug 01, 2023 Aug 31, 2023Sep 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Oct 09, 2023
 1
901832439May 01, 2023 May 31, 2023Jun 22, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte
Returned To Compliance - Jul 10, 2023
 1
901832436Sep 01, 2022 Sep 30, 2022Oct 25, 2022EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Nov 10, 2022
 1
901832435Jul 01, 2022 Jul 31, 2022Sep 13, 2022EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Sep 09, 2022
 1
901832434Jul 01, 2022 Jul 31, 2022Sep 13, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes
Returned To Compliance - Sep 09, 2022
 1
901832431Jul 01, 2022 Jul 31, 2022Aug 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Sep 09, 2022
 1
901832430Mar 01, 2022 Mar 31, 2022Apr 25, 2022EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - May 06, 2022
 1
901832429Mar 01, 2022 Mar 31, 2022Apr 25, 2022WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Hide analytes
CHLORINE
SWTR
TURBIDITY
Returned To Compliance - May 06, 2022
 1
901832426Mar 01, 2022 Mar 31, 2022Apr 11, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 06, 2022
 1
901832425Oct 01, 2021 Oct 31, 2021Nov 30, 2021EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Dec 10, 2021
 1
901832424Sep 01, 2021 Sep 30, 2021Nov 05, 2021EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Nov 08, 2021
 1
901832423Aug 01, 2021 Aug 31, 2021Sep 27, 2021EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Oct 08, 2021
 1
901832421Mar 01, 2021 Mar 31, 2021Apr 12, 2021 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 06, 2021
 1
901832420Sep 01, 2020 Sep 30, 2020Nov 02, 2020EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Nov 06, 2020
 1
901832418Jul 01, 2020 Jul 31, 2020Aug 24, 2020EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Sep 03, 2020
 1 8/18/2020
901832417Jul 01, 2020 Jul 31, 2020Aug 24, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes
Returned To Compliance - Sep 03, 2020
 1 8/18/2020
901832414Jul 01, 2020 Jul 31, 2020Aug 12, 2020 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Sep 03, 2020
 1 8/18/2020
901832413Jun 01, 2020 Jun 30, 2020Jul 29, 2020EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte
Returned To Compliance - Sep 03, 2020
 1 8/18/2020
901832412Jun 01, 2020 Jun 30, 2020Jul 29, 2020WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes
Returned To Compliance - Sep 03, 2020
 1 7/27/2020
901832409Jun 01, 2020 Jun 30, 2020Jul 14, 2020 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Sep 03, 2020
 1 7/27/2020
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
24

Violation history was last updated on 5/16/2025, 17 hours ago.

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More information for this water system: SDWIS ID 3998
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