OHA Drinking Water Services
OR41
PWS ID: 00144 ---- MOUNTAIN AIR WATER ASSOC
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, GWR = Ground Water Rule, NO3 = Nitrate, RAD = Radionuclides, VOC = Volatile Organic Chemicals
Gray shading indicates return to compliance. 

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Violation
Number
Auto-
RTC?
Monitoring Period
Begin
End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
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Enforcement Action - Date
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Points Contact
Report
902656464YJan 01, 2025 Dec 31, 2025EP-A NO3 Chemical Late/Nonreporting - 1 5 3/25/2026
902656463YJan 01, 2023 Dec 31, 2025EP-A VOC Chemical Late/Nonreporting - 21
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
TOLUENE
TRANS-1,2-DICHLOROETHYLENE
TRICHLOROETHYLENE
VINYL CHLORIDE
XYLENES, TOTAL
1 3/25/2026
902656442YJan 01, 2017 Dec 31, 2025EP-A RAD Chemical Late/Nonreporting - 3
COMBINED RADIUM (-226 & -228)
COMBINED URANIUM
GROSS ALPHA, EXCL. RADON & U
1 3/25/2026
902656439YJan 01, 2025 Dec 31, 2025EP-B NO3 Chemical Late/Nonreporting - 1 5 3/25/2026
902656438YJan 01, 2023 Dec 31, 2025EP-B VOC Chemical Late/Nonreporting - 21
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
TOLUENE
TRANS-1,2-DICHLOROETHYLENE
TRICHLOROETHYLENE
VINYL CHLORIDE
XYLENES, TOTAL
1 3/25/2026
902656417YJan 01, 2017 Dec 31, 2025EP-B RAD Chemical Late/Nonreporting - 3
COMBINED RADIUM (-226 & -228)
COMBINED URANIUM
GROSS ALPHA, EXCL. RADON & U
1 3/25/2026
902656413NJan 01, 2025 Dec 31, 2025SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1 1/26/2026
902656412NJan 01, 2025 Dec 31, 2025SRC-BA GWR Source Assessment Sample - Late/Nonreporting - 1 1 1/26/2026
902656410YJul 01, 2024 Sep 30, 2024 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Sep 30, 2024 1
902656409YOct 01, 2023 Oct 18, 2023 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Oct 18, 2023 1
902656408YJan 01, 2021 Dec 31, 2021EP-B NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Mar 04, 2022 5
902656407YJan 01, 2021 Dec 31, 2021EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Mar 04, 2022 5
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:
16
0
16
0
12

Violation history was last updated on 4/9/2026, 5 hours ago.

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