OHA Drinking Water Services
OR41
PWS ID: 95088 ---- NANTUCKET SHORES
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  ARS = Arsenic, CCR = Consumer Confidence Report, DBP = Disinfection Byproducts, IOC = Inorganic Chemicals, LCR = Lead & Copper Rule, NO2 = Nitrite, RAD = Radionuclides, SOC = Synthetic Organic Chemicals, TCR = Total Coliform Rule, VOC = Volatile Organic Chemicals
Green shading indicates an inactive facility.  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
900001526YOct 01, 2025 Dec 31, 2025EP-B RAD Chemical Late/Nonreporting - 1  Hide analyte
COMBINED RADIUM (-226 & -228)
 1
900001525YJan 01, 2025 Dec 31, 2025DIST-A DBP DBP Late/Nonreporting - 2  Show analytes 1
900001593YJan 01, 2023 Dec 31, 2025EP-A ARS Chemical Late/Nonreporting - 1 Inactive Facility - Sep 09, 2025 1
900001589YJan 01, 2023 Dec 31, 2025EP-A IOC Chemical Late/Nonreporting - 12  Show analytes Inactive Facility - Sep 09, 2025 1
900001577YJan 01, 2023 Dec 31, 2025EP-A NO2 Chemical Late/Nonreporting - 1 Inactive Facility - Sep 09, 2025 1
900001576YJan 01, 2025 Dec 31, 2025EP-A SOC Chemical Late/Nonreporting - 29  Show analytes Inactive Facility - Sep 09, 2025 1
900001547YJan 01, 2025 Dec 31, 2025EP-A VOC Chemical Late/Nonreporting - 21  Show analytes Inactive Facility - Sep 09, 2025 1
900001523YJan 01, 2025 Jun 30, 2025DIST-A LCR LCR Late/Nonreporting - 1  Show analyte Returned To Compliance - Oct 01, 2025 1
900001521YOct 01, 2024 Jun 18, 2025 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Jun 18, 2025 1
900001520YJul 01, 2024 Jun 18, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jun 18, 2025 1
900001519YOct 01, 2023 Jun 18, 2025 CCR CCR Certification Late/Nonreporting - 1 Returned To Compliance - Jun 18, 2025 1
900001518YJul 01, 2023 Jun 18, 2025 CCR CCR Late/Nonreporting - 1 Returned To Compliance - Jun 18, 2025 1
900001517YApr 01, 2023 Apr 30, 2023 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - May 26, 2023 1
900001516YJan 01, 2022 Dec 31, 2022DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Aug 23, 2023 1
900001514YJan 01, 2021 Dec 31, 2021DIST-A DBP DBP Late/Nonreporting - 2  Show analytes Returned To Compliance - Aug 03, 2022 1
900001512YJun 01, 2021 Jun 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1 Returned To Compliance - Jul 27, 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: 		2
0
2
0
14

Violation history was last updated on 4/9/2026, 6 hours ago.

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