OHA Drinking Water Services
OR41
PWS ID: 00630 ---- ALDER CREEK BARLOW WATER DIST
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, DBP = Disinfection Byproducts, SWTR = Surface Water Treatment 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
900475781Oct 01, 2025 Dec 31, 2025DIST-A DBP DBP Late/Nonreporting - 2  Hide analytes
TOTAL HALOACETIC ACIDS (HAA5)
TTHM
1 3/25/2026
900475777Jul 01, 2025 Jul 29, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 29, 2025 1
900475776Jan 01, 2025 Mar 31, 2025DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jul 09, 2025 1
900475774Oct 01, 2024 Dec 31, 2024DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jul 09, 2025 1
900475772Jul 01, 2024 Sep 30, 2024DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jul 09, 2025 1 1/28/2025
900475768Jul 01, 2024 Sep 26, 2024 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Sep 26, 2024 1
900475770Apr 01, 2024 Jun 30, 2024DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jul 09, 2025 1 1/28/2025
900475767Jan 01, 2024 Mar 31, 2024DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jul 09, 2025 1 1/28/2025
900475765Jul 01, 2023 Sep 30, 2023 DBP Public Notice Late/Nonreporting (Viol # 900475764) - 1  Show analyte Returned To Compliance - Dec 14, 2023 1
900475764Jul 01, 2023 Sep 30, 2023DIST-A DBP Chemical MCL based on Locational Average of Samples - 1  Show analyte Returned To Compliance - Jan 03, 2024 5
900475763Jul 01, 2023 Sep 30, 2023DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475760Apr 01, 2023 Jun 30, 2023DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475758Jan 01, 2023 Mar 31, 2023DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475756Oct 01, 2022 Dec 31, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475753Jul 01, 2022 Sep 30, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475748Apr 01, 2022 Jun 30, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475743Jan 01, 2022 Mar 31, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 03, 2024 1
900475737Nov 01, 2021 Nov 30, 2021WTP-A SWTR Failure to Meet CT - 1  Show analyte Returned To Compliance - Feb 09, 2022 10
900475736Nov 01, 2021 Nov 30, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 31, 2021 1
900475738Oct 01, 2021 Oct 31, 2021WTP-A SWTR Failure to Meet CT - 1  Show analyte Returned To Compliance - Feb 09, 2022 10
900475735Oct 01, 2021 Oct 31, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 31, 2021 1
900475734Sep 01, 2021 Sep 30, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 31, 2021 1
900475733Jul 01, 2021 Sep 30, 2021DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 06, 2022 1
900475731Aug 01, 2021 Aug 31, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 31, 2021 1
900475730Jul 01, 2021 Jul 31, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 31, 2021 1
900475729Jun 01, 2021 Jun 30, 2021WTP-A SWTR Monthly SW Report - Late/Nonreporting - 1  Show analyte Returned To Compliance - Dec 31, 2021 1
900475728Apr 01, 2021 Jun 30, 2021DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 06, 2022 1
900475726Jan 01, 2021 Mar 31, 2021DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Jan 06, 2022 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: 		1
0
1
0
49

Violation history was last updated on 3/30/2026, 5 hours ago.

For questions regarding these violations contact either: