OHA Drinking Water Services
OR41
PWS ID: 90550 ---- BONANZA HIGH/ELEM SCHOOLS
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  DBP = Disinfection Byproducts, GWR = Ground Water Rule, NO3 = Nitrate
Gray shading indicates return to compliance. 

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Violation
Number		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
2501427Jan 01, 2022 Dec 31, 2022SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
2501429Jan 01, 2022 Dec 31, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Sep 29, 2023 1
2501426Jan 01, 2021 Dec 31, 2021DIST-A DBP DBP Late/Nonreporting - 2  Hide analytes
TOTAL HALOACETIC ACIDS (HAA5)
TTHM
Returned To Compliance - Sep 10, 2022 1
2501424Jan 01, 2020 Dec 31, 2020DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Sep 07, 2021 1
2501422Jan 01, 2020 Dec 31, 2020EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Apr 01, 2021 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: 		1
2
3
0
8

Violation history was last updated on 11/4/2025, 2 hours ago.

For questions regarding these violations contact either:

More information for this water system: SDWIS ID 698
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