OHA Drinking Water Services
OR41
PWS ID: 94811 ---- KNIFE RIVER - NW HARRISBURG
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  GWR = Ground Water Rule, LCR = Lead & Copper Rule, NO3 = Nitrate, SOC = Synthetic Organic Chemicals, VOC = Volatile Organic Chemicals
Green shading indicates an inactive facility.  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
Hide analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
903526913NApr 01, 2024 LCR Failure to Install CC Treatment - 1
LEAD & COPPER RULE
Public Notice Required 5
903526914NApr 01, 2024 LCR Public Notice Late/Nonreporting (Viol # 903526913) - 1
LEAD & COPPER RULE
1
903526915YJul 01, 2024 Sep 30, 2024EP-B NO3 Chemical Late/Nonreporting - 1 Inactive Facility - Sep 03, 2024 5
903526966YJan 01, 2024 Dec 31, 2024EP-B 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
Inactive Facility - Sep 03, 2024 1
903526937YJan 01, 2024 Dec 31, 2024EP-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
Inactive Facility - Sep 03, 2024 1
903526916NJan 01, 2024 Dec 31, 2024SRC-BA GWR Source Assessment Sample - Late/Nonreporting - 1 Inactive Facility - Sep 03, 2024 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: 		6
0
6
0
8

Violation history was last updated on 2/14/2025, 34 hours ago.

For questions regarding these violations contact either:

More information for this water system: SDWIS ID 5
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