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
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  Show analytes Returned To Compliance - Sep 10, 2022 1
2501427Jan 01, 2022 Dec 31, 2022SRC-AA GWR Source Assessment Sample - Late/Nonreporting - 1 1
2501430Jan 01, 2025 Dec 31, 2025EP-A NO3 Chemical Late/Nonreporting - 1 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: 		6
3
9
0
2

Violation history was last updated on 3/19/2026, 4 hours ago.

For questions regarding these violations contact either: