OHA Drinking Water Services
OR41
PWS ID: 95692 ---- TUALATIN ESTATE VINEYARD
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  GWR = Ground Water Rule, TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

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Violation
Number		Monitoring Period
Begin
End 		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
9Sep 08, 2023 Sep 07, 2023 Failure to Install Disinfection - 1 Returned To Compliance - Sep 07, 2023 5
10Sep 08, 2023 Public Notice Late/Nonreporting (Viol # 9) - 1 Returned To Compliance - Sep 07, 2023 1
8Aug 01, 2023 Aug 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Sep 07, 2023 1
7Jul 31, 2023 Aug 11, 2023DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 16, 2023 1 8/30/2023
6May 01, 2023 May 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 07, 2023 1
4Mar 01, 2023 Mar 12, 2023DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Mar 13, 2023 1
5Feb 01, 2023 Feb 28, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 02, 2023 1
3Jan 01, 2023 Jan 31, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 02, 2023 1
2Dec 16, 2022 Dec 27, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 16, 2023 1
1Nov 30, 2022 Dec 11, 2022DIST-A GWR Source Sample - Late/Nonreporting - 1 Returned To Compliance - Aug 16, 2023 1 12/13/2022
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
14

Violation history was last updated on 3/20/2026, 5 hours ago.

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