OHA Drinking Water Services
OR41
PWS ID: 01450 ---- UNITY, CITY OF
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, GWR = Ground Water Rule, LCR = Lead & Copper Rule, NO3 = Nitrate, SOC = Synthetic Organic Chemicals, TCR = Total Coliform Rule, VOC = Volatile Organic Chemicals
Purple shading indicates formal enforcement.  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
Show history 		Points Contact
Report
903422203Jan 01, 2025 Dec 31, 2025Mar 18, 2026EP-A NO3 Chemical Late/Nonreporting - 1 5
903422202Jan 01, 2025 Dec 31, 2025Jan 12, 2026SRC-AB GWR Source Assessment Sample - Late/Nonreporting - 1 1
903422201Oct 01, 2025 Nov 19, 2025 CCR CCR Certification Late/Nonreporting - 1 1
903422200Aug 13, 2025 Aug 24, 2025Aug 25, 2025DIST-A GWR Source Sample - Late/Nonreporting - 1 1
903422199Jul 01, 2025 Jul 22, 2025 CCR CCR Late/Nonreporting - 1 1
903422198Oct 01, 2024 Nov 06, 2024 CCR CCR Certification Late/Nonreporting - 1 1
903422197Jul 01, 2024 Jul 11, 2024 CCR CCR Late/Nonreporting - 1 1
903422196Nov 16, 2023 Mar 19, 2024 LCR Public Notice Late/Nonreporting (Viol # 903422193) - 1  Show analyte Administrative Order - Feb 08, 2023 1
903422193Nov 16, 2023 Dec 26, 2023 LCR Failure to Install CC Treatment - 1  Show analyte Administrative Order - Feb 08, 2023 5
903422194Jan 01, 2023 Dec 31, 2023Jan 11, 2024SRC-AB GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Mar 15, 2024 1
903422192Nov 01, 2023 Nov 30, 2023Dec 11, 2023SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 Returned To Compliance - Mar 15, 2024 1
903422191Jan 01, 2022 Dec 31, 2022Feb 02, 2023EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Mar 17, 2023 5
903422190Jan 01, 2020 Dec 31, 2022Feb 02, 2023EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Returned To Compliance - Mar 10, 2023 1
903422161Jan 01, 2020 Dec 31, 2022Feb 02, 2023EP-A VOC Chemical Late/Nonreporting - 21  Show analytes Returned To Compliance - Mar 10, 2023 1
903422140Dec 01, 2022 Dec 31, 2022Jan 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jan 06, 2023 1
903422139Oct 05, 2022 Oct 16, 2022Oct 17, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Mar 15, 2024 1
903422138Oct 01, 2021 Oct 31, 2021Nov 15, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 08, 2021 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: 		11
1
12
6
12

Violation history was last updated on 3/20/2026, 18 hours ago.

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