OHA Drinking Water Services
OR41
PWS ID: 06011 ---- MADRONE ESTATES
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  NO3 = Nitrate, TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

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Violation
Number		Auto-
RTC?		Monitoring Period
Begin
End 		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Hide analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
900847019YJan 01, 2022 Dec 31, 2022EP-C NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jan 08, 2024 5 2/6/2023
900847018YJan 01, 2022 Mar 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 05, 2022 1
900847017YNov 01, 2021 Nov 30, 2021 TCR Temporary Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 05, 2022 1
900847016YJan 01, 2020 Dec 31, 2020EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jan 03, 2022 5
900847015NSep 01, 2020 Sep 30, 2020 TCR Public Notice Late/Nonreporting (Viol # 900847014) - 1 Returned To Compliance - Jul 08, 2021 1
900847014NSep 01, 2020 Sep 30, 2020 TCR Acute MCL for E. coli - 1 Returned To Compliance - Jul 08, 2021 10
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
23

Violation history was last updated on 5/9/2025, 9 hours ago.

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More information for this water system: SDWIS ID 4455
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