OHA Drinking Water Services
OR41
PWS ID: 00673 ---- PRAIRIE CITY
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, SWTR = Surface Water Treatment Rule, TCR = Total Coliform Rule, VOC = Volatile Organic Chemicals
Gray shading indicates return to compliance. 

Hide Auto-RTC  |  Show Determination Dates  |  Return to default sort order
Go to public notices
Violation
Number		Auto-
RTC?		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
902644176YFeb 01, 2026 Feb 28, 2026 TCR Routine Coliform - Did Not Report ANY - 1 1
902644173YJun 01, 2025 Jun 30, 2025WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Aug 08, 2025 1
902644170YJul 01, 2024 Jul 16, 2024 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jul 16, 2024 1
902644166YJan 01, 2022 Dec 31, 2022EP-A VOC Chemical Late/Nonreporting - 20  Hide analytes
1,1,1-TRICHLOROETHANE
1,1,2-TRICHLOROETHANE
1,1-DICHLOROETHYLENE
1,2,4-TRICHLOROBENZENE
1,2-DICHLOROETHANE
1,2-DICHLOROPROPANE
BENZENE
CARBON TETRACHLORIDE
CHLOROBENZENE
CIS-1,2-DICHLOROETHYLENE
DICHLOROMETHANE
ETHYLBENZENE
O-DICHLOROBENZENE
P-DICHLOROBENZENE
STYRENE
TETRACHLOROETHYLENE
TRANS-1,2-DICHLOROETHYLENE
TRICHLOROETHYLENE
VINYL CHLORIDE
XYLENES, TOTAL
Returned To Compliance - Jul 24, 2023 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
3

Violation history was last updated on 3/18/2026, 16 hours ago.

For questions regarding these violations contact either: