OHA Drinking Water Services
OR41
PWS ID: 94513 ---- SILVER VALLEY WATER IMPRV DIST
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  NO3 = Nitrate, 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 		Determination
Date		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
900637322YJul 01, 2025 Sep 30, 2025Oct 14, 2025 TCR Routine Coliform - Did Not Report ANY - 1
E. COLI
 Returned To Compliance - Oct 30, 2025 1
900637303NJan 01, 2022 Jul 12, 2024Nov 27, 2023 SWTR Public Notice Late/Nonreporting (Viol # 900637302) - 1  Show analyte Returned To Compliance - Jul 12, 2024 1
900637302NJan 01, 2022 Jul 12, 2024Sep 07, 2023 SWTR Failure to Install or Use SW Treatment - 1  Show analyte Returned To Compliance - Jul 12, 2024 10
900637321YMay 01, 2024 May 31, 2024Jun 11, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637320YApr 01, 2024 Apr 30, 2024May 13, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637314YMar 01, 2024 Mar 31, 2024May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637315YFeb 01, 2024 Feb 29, 2024May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637316YJan 01, 2024 Jan 31, 2024May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637306YDec 01, 2023 Dec 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637304YJan 01, 2023 Dec 31, 2023Jan 29, 2024EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jun 19, 2024 5
900637307YNov 01, 2023 Nov 30, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637308YOct 01, 2023 Oct 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637309YSep 01, 2023 Sep 30, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637310YAug 01, 2023 Aug 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637317YJul 01, 2023 Jul 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637318YJun 01, 2023 Jun 30, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637319YMay 01, 2023 May 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637311YApr 01, 2023 Apr 30, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637312YMar 01, 2023 Mar 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637305YFeb 01, 2023 Feb 28, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 1
900637313YJan 01, 2023 Jan 31, 2023May 10, 2024 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jun 19, 2024 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: 		0
0
0
0
34

Violation history was last updated on 3/18/2026, 0 hours ago.

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