OHA Drinking Water Services
OR41
PWS ID: 90191 ---- AURORA STATE AIRPORT
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  NO3 = Nitrate, TCR = Total Coliform Rule
Gray shading indicates return to compliance. 

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Violation
Number
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Monitoring Period
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End
Determination
Date
Facility
ID
Analyte
Group
Violation Type - Analyte Count
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900485517YJul 01, 2023 Sep 30, 2023Oct 11, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Nov 14, 2023 1
900485516YJan 01, 2021 Dec 31, 2021Jan 24, 2022EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jul 20, 2022 5 7/8/2022
900485515YSep 01, 2021 Sep 30, 2021Oct 12, 2021 TCR Temporary Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Dec 23, 2021 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:
0
0
0
0
7

Violation history was last updated on 4/2/2026, 7 hours ago.

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