OHA Drinking Water Services
OR41
PWS ID: 95426 ---- KLAMATH OUTDOOR SCIENCE SCHOOL
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

Hide Auto-RTC  |  Show Determination Dates  |  Return to default sort order
Go to public notices
Violation
Number
Auto-
RTC?
Monitoring Period
Begin
End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
Show analytes for all violations
Enforcement Action - Date
Hide history
Points Contact
Report
37YOct 01, 2024 Oct 31, 2024 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Apr 28, 2025
1
36YSep 01, 2023 Sep 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Oct 09, 2023
1
35YOct 01, 2022 Oct 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 01, 2023
1
33YFeb 01, 2022 Feb 28, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 13, 2022
1
32YJan 01, 2022 Jan 31, 2022 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 13, 2022
1
31YDec 01, 2021 Dec 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 13, 2022
1
30YNov 01, 2021 Nov 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 13, 2022
1
29YOct 01, 2021 Oct 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 13, 2022
1
28YSep 01, 2021 Sep 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - May 13, 2022
1
27YJul 01, 2021 Jul 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1
Returned To Compliance - Aug 13, 2021
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:
0
0
0
0
10

Violation history was last updated on 3/17/2026, 15 hours ago.

For questions regarding these violations contact either: