OHA Drinking Water Services
OR41
PWS ID: 05117 ---- DARK HOLLOW WATER ASSOCIATION
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  DBP = Disinfection Byproducts, 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
903416336NSep 01, 2022 Sep 30, 2022Sep 26, 2022 TCR Acute MCL for E. coli - 1 Returned To Compliance - Dec 16, 2022 10
903416335YJan 01, 2019 Dec 31, 2021Jan 24, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Nov 30, 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: 		0
0
0
0
11

Violation history was last updated on 11/4/2025, 3 hours ago.

For questions regarding these violations contact either:

More information for this water system: SDWIS ID 174
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