OHA Drinking Water Services
OR41
PWS ID: 95706 ---- NPS OREGON CAVES NATIONAL MONUMENT O&M
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  ARS = Arsenic, DBP = Disinfection Byproducts, IOC = Inorganic Chemicals, LCR = Lead & Copper Rule, NO2 = Nitrite, NO3 = Nitrate, SOC = Synthetic Organic Chemicals, SWTR = Surface Water Treatment Rule, VOC = Volatile Organic Chemicals
Gray shading indicates return to compliance. 

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Violation
Number		Auto-
RTC?		Monitoring Period
Begin
End 		Determination
Date		Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations 		Enforcement Action - Date
Show history 		Points Contact
Report
139YJan 01, 2023 Dec 31, 2023Jan 29, 2024DIST-A DBP DBP Late/Nonreporting - 2  Show analytes 1
200YApr 01, 2024 Jun 30, 2024Jul 29, 2024EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Returned To Compliance - Aug 24, 2024 1
171YJan 01, 2024 Mar 31, 2024Apr 29, 2024EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Returned To Compliance - Aug 24, 2024 1
142YFeb 01, 2024 Feb 29, 2024Mar 19, 2024WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Apr 04, 2024 1
137YJul 01, 2023 Dec 31, 2023Jan 29, 2024DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Feb 08, 2024 1
136YOct 01, 2023 Dec 31, 2023Jan 29, 2024EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Returned To Compliance - Aug 24, 2024 1
107YJan 01, 2023 Dec 31, 2023Jan 29, 2024EP-A VOC Chemical Late/Nonreporting - 21  Show analytes Returned To Compliance - Jan 31, 2024 1
86YJan 01, 2023 Dec 31, 2023Jan 29, 2024EP-A IOC Chemical Late/Nonreporting - 12  Hide analytes
ANTIMONY, TOTAL
BARIUM
BERYLLIUM, TOTAL
CADMIUM
CHROMIUM
CYANIDE
FLUORIDE
MERCURY
NICKEL
SELENIUM
SODIUM
THALLIUM, TOTAL
Returned To Compliance - Jan 31, 2024 1
74YJan 01, 2023 Dec 31, 2023Jan 29, 2024EP-A NO2 Chemical Late/Nonreporting - 1 Returned To Compliance - Jan 31, 2024 1
73YJan 01, 2023 Dec 31, 2023Jan 29, 2024EP-A ARS Chemical Late/Nonreporting - 1 Returned To Compliance - Jan 31, 2024 1
72YJan 01, 2023 Dec 31, 2023Jan 29, 2024EP-A NO3 Chemical Late/Nonreporting - 1 Returned To Compliance - Jan 31, 2024 5
71YNov 01, 2023 Nov 30, 2023Dec 26, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Jan 05, 2024 1 12/29/2023
68YJun 01, 2023 Jun 30, 2023Jul 26, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Aug 04, 2023 1 6/13/2023
65YApr 01, 2023 Jun 30, 2023Jul 26, 2023EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Returned To Compliance - Sep 08, 2023 1
36YJan 01, 2023 Jun 30, 2023Jul 26, 2023DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Feb 08, 2024 1
34YMay 01, 2023 May 31, 2023Jun 22, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Aug 04, 2023 1 6/13/2023
35YApr 01, 2023 Apr 30, 2023Jun 22, 2023WTP-A SWTR Monthly SW Report - Late/Nonreporting - 3  Show analytes Returned To Compliance - Aug 04, 2023 1 6/13/2023
29YJan 01, 2023 Mar 31, 2023Apr 20, 2023EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Returned To Compliance - Sep 08, 2023 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: 		1
0
1
0
21

Violation history was last updated on 11/22/2024, 65 hours ago.

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More information for this water system: SDWIS ID 5640
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