PWS ID: 01172 ---- WESTERN HILLS MH ESTATES

For questions regarding these violations contact: COLUMBIA COUNTY ---- Daniel Osborn/Jaime Aanensen ---- (503) 397-7247/7232

Violations are displayed for the last 5 years only.
Group Abbreviations:  DBP = Disinfection Byproducts, GWR = Ground Water Rule, NO3 = Nitrate
Gray shading indicates return to compliance. 

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Violation History
Violation
Number		 Auto-
RTC?		 Monitoring Period Determination
Date		 Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations		 Enforcement Action - Date
Hide history		 Points
Begin End
902471287 N Jul 01, 2023 Jul 31, 2023 Aug 31, 2023 WTP-D GWR Failure to Maintain 4-log Treatment - 110
902471284 N Oct 22, 2022 May 01, 2023 Feb 02, 2023 GWR Failure to Correct Source Contamination - 1Returned To Compliance - May 01, 2023
Administrative Order - Mar 15, 2023
5
902471285 N Jul 02, 2022 Mar 21, 2023 Feb 02, 2023 Public Notice Late/Nonreporting - 1Returned To Compliance - Mar 21, 2023
1
902471286 N Oct 22, 2022 Apr 20, 2023 GWR Public Notice Late/Nonreporting (Viol # 902471284) - 1Returned To Compliance - Mar 21, 2023
1
902471282 N Apr 06, 2022 Apr 17, 2022 Apr 18, 2022 DIST-A GWR Source Sample - Late/Nonreporting - 1Returned To Compliance - Jun 20, 2022
1
902471281 Y Jan 01, 2021 Dec 31, 2021 Jan 24, 2022 EP-D NO3 Chemical Late/Nonreporting - 1
        NITRATE (AS N) 		Returned To Compliance - Jun 23, 2022
5
902471280 Y Jan 01, 2017 Dec 31, 2019 Jan 30, 2020 DIST-A DBP DBP Late/Nonreporting - 2  Show analytesReturned To Compliance - Sep 17, 2020
1
SYSTEM SCORE SUMMARYUnaddressed Points: 10
Number of years the oldest violation has been unaddressed (n): 0
System Score: 10
Points under formal enforcement: 0
Points RTC'd: 14

For questions about compliance determinations above, please contact Chuck Michael, DWS Compliance Specialist, at 503-894-2919 or CHARLES.E.MICHAEL@oha.oregon.gov.

Click here for more information on system scores and how they are calculated, including the point values of specific violations.

Violation history last updated 09/29/2023, 21 hours ago.


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