OHA Drinking Water Services
OR41
PWS ID: 93711 ---- CORVALLIS WALDORF ASSOCIATION
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  LCR = Lead & Copper Rule, TCR = Total Coliform Rule
Purple shading indicates formal enforcement.  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
90831YJul 01, 2025 Jul 31, 2025Aug 28, 2025EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Sep 08, 2025 1
90829YMay 01, 2025 May 31, 2025Jun 30, 2025EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Jul 08, 2025 1
90830YJan 01, 2025 Jun 30, 2025Jul 14, 2025DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Sep 03, 2025 1
90827YAug 01, 2024 Aug 31, 2024Oct 07, 2024EP-A LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Oct 03, 2024 1 10/10/2023
90828YJul 01, 2024 Dec 31, 2024Feb 04, 2025DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Jul 11, 2025 1
90826NJul 01, 2024 Dec 31, 2024Aug 20, 2024 LCR Corrosion Control Non-Compliance - 1  Show analyte Bilateral Compliance Agreement Signed - Sep 12, 2024 5
90825YJan 01, 2024 Jun 30, 2024Jul 29, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Jul 11, 2025 1 8/14/2024
90823NJan 01, 2024 Jun 30, 2024Feb 15, 2024 LCR Corrosion Control Non-Compliance - 1  Show analyte Bilateral Compliance Agreement Signed - Sep 12, 2024 5 4/5/2024
90822YOct 01, 2023 Dec 31, 2023Jan 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Feb 26, 2024 1 4/5/2024
90820NJul 01, 2023 Dec 31, 2023Aug 31, 2023 LCR Corrosion Control Non-Compliance - 1  Show analyte Bilateral Compliance Agreement Signed - Sep 12, 2024 5 9/14/2023
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
15
7

Violation history was last updated on 3/18/2026, 19 hours ago.

For questions regarding these violations contact either: