OHA Drinking Water Services
OR41
PWS ID: 01518 ---- CSWA CHEHALEM SPRINGS
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  CCR = Consumer Confidence Report, GWR = Ground Water Rule, LCR = Lead & Copper Rule, SOC = Synthetic Organic Chemicals
Gray shading indicates return to compliance. 

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Violation
Number		Auto-
RTC?		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
900000177YJun 01, 2025 Jun 30, 2025EP-B LCR Corrosion Control Late/Nonreporting - 1  Show analyte Returned To Compliance - Aug 10, 2025 1 7/29/2025
900000176NJun 01, 2025 Jun 30, 2025WTP-A GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Aug 10, 2025 1 7/29/2025
900000175NJun 01, 2025 Jun 30, 2025WTP-B GWR Monthly GW Compliance Report - Late/Nonreporting - 1 Returned To Compliance - Aug 10, 2025 1 7/29/2025
900000174YJan 01, 2025 Mar 31, 2025EP-A SOC Chemical Late/Nonreporting - 1  Hide analyte
DIQUAT
Returned To Compliance - Apr 15, 2025 1 4/25/2025
900000172YOct 01, 2024 Nov 14, 2024 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Nov 14, 2024 1 11/13/2024
900000173NAug 01, 2024 Aug 31, 2024 GWR Public Notice Late/Nonreporting (Viol # 900000171) - 1 Returned To Compliance - Mar 06, 2025 1 1/15/2025
900000171NAug 01, 2024 Aug 31, 2024WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Mar 10, 2025 10 10/3/2024
900000170YApr 01, 2024 Jun 30, 2024EP-A SOC Chemical Late/Nonreporting - 1  Show analyte Returned To Compliance - Aug 13, 2024 1 8/13/2024
900000169YJan 01, 2024 Mar 31, 2024EP-A SOC Chemical Late/Nonreporting - 1  Show analyte Returned To Compliance - May 01, 2024 1 4/30/2024
900000168NMar 01, 2024 Mar 31, 2024WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Aug 10, 2024 10 4/16/2024
900000167NJul 01, 2023 Jul 31, 2023WTP-B GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Aug 10, 2024 10 8/18/2023
900000166YApr 01, 2023 Jun 30, 2023EP-A SOC Chemical Late/Nonreporting - 1  Show analyte Returned To Compliance - Jul 12, 2023 1
900000165NApr 01, 2023 Apr 30, 2023WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Jun 08, 2023 10 5/22/2023
900000164NMar 01, 2023 Mar 31, 2023WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Jun 08, 2023 10 4/12/2023
900000163NFeb 01, 2023 Feb 28, 2023WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Jun 08, 2023 10 3/10/2023
900000162NJan 01, 2023 Jan 31, 2023WTP-A GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Jun 08, 2023 10 2/15/2023
900000159NNov 01, 2021 Nov 30, 2021WTP-B GWR Failure to Maintain 4-log Treatment - 1 Returned To Compliance - Jan 01, 2023 10 12/22/2021
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
89

Violation history was last updated on 11/4/2025, 1 hour ago.

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More information for this water system: SDWIS ID 5123
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