OHA Drinking Water Services
OR41
PWS ID: 00194 ---- CLATSKANIE, CITY OF
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  ARS = Arsenic, CCR = Consumer Confidence Report, DBP = Disinfection Byproducts, RAD = Radionuclides, SOC = Synthetic Organic Chemicals
Gray shading indicates return to compliance. 

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Violation
Number
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RTC?
Monitoring Period
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End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
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900000150YJan 01, 2017 Dec 31, 2025EP-A ARS Chemical Late/Nonreporting - 1 1
900000149YJan 01, 2017 Dec 31, 2025EP-A RAD Chemical Late/Nonreporting - 3
COMBINED RADIUM (-226 & -228)
COMBINED URANIUM
GROSS ALPHA, EXCL. RADON & U
1
900000145YJan 01, 2023 Dec 31, 2025EP-A SOC Chemical Late/Nonreporting - 29
1,2-DIBROMO-3-CHLOROPROPANE
2,4,5-TP
2,4-D
ATRAZINE
BENZO(A)PYRENE
BHC-GAMMA
CARBOFURAN
CHLORDANE
DALAPON
DI(2-ETHYLHEXYL) ADIPATE
DI(2-ETHYLHEXYL) PHTHALATE
DINOSEB
DIQUAT
ENDOTHALL
ENDRIN
ETHYLENE DIBROMIDE
GLYPHOSATE
HEPTACHLOR
HEPTACHLOR EPOXIDE
HEXACHLOROBENZENE
HEXACHLOROCYCLOPENTADIENE
LASSO
METHOXYCHLOR
OXAMYL
PENTACHLOROPHENOL
PICLORAM
SIMAZINE
TOTAL POLYCHLORINATED BIPHENYLS (PCB)
TOXAPHENE
1
900000116YJul 01, 2025 Jul 10, 2025 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Jul 10, 2025
1
900000113YJul 01, 2024 Jul 10, 2025 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Jul 10, 2025
1
900000115YJan 01, 2024 Dec 31, 2024DIST-A DBP DBP Late/Nonreporting - 2
TOTAL HALOACETIC ACIDS (HAA5)
TTHM
Returned To Compliance - Jun 23, 2025
1
900000112YJul 01, 2023 Jul 26, 2023 CCR CCR Late/Nonreporting - 1
Returned To Compliance - Jul 26, 2023
1
SYSTEM SCORE SUMMARY
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Unaddressed Points:
Number of years the oldest violation has been unaddressed (n):
System Score:
Points under formal enforcement:
Points RTC'd:
3
0
3
0
4

Violation history was last updated on 3/27/2026, 28 hours ago.

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