OHA Drinking Water Services
OR41
PWS ID: 00935 ---- WASCO, CITY OF
Violation History

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

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Violation
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Determination
Date
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ID
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Violation Type - Analyte Count
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903368146NOct 01, 2025 Oct 31, 2025Oct 10, 2025 TCR Acute MCL for E. coli - 1 10
903368148NOct 01, 2025 Oct 31, 2025Dec 11, 2025 TCR Public Notice Late/Nonreporting (Viol # 903368146) - 1 Returned To Compliance - Nov 07, 2025 1
903368145YJul 01, 2025 Aug 22, 2025Jul 22, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Aug 22, 2025 1 9/10/2025
903368144YJan 01, 2025 Jan 31, 2025Feb 11, 2025 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Mar 04, 2025 1
SYSTEM SCORE SUMMARY
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Unaddressed Points:
Number of years the oldest violation has been unaddressed (n):
System Score:
Points under formal enforcement:
Points RTC'd:
10
0
10
0
3

Violation history was last updated on 3/18/2026, 17 hours ago.

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