NELSONVILLE PWS

PWSID: OH0501214 · Nelsonville, OH · Serves 6,656 people

Health Violations

NELSONVILLE PWS has 30 health-based violations out of 30 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
6,656
Total Violations
30
Health Violations
30
Source Type
Groundwater

NELSONVILLE PWS (PWSID OH0501214) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 6,656 people in Nelsonville, OH, and is subject to primacy enforcement by the Ohio drinking-water program.

The system's federal compliance record contains 30 total violations, with 30 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Total Trihalomethanes (TTHM). Recorded violations span 2015–2025.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Ohio state drinking-water program's public portal.

System Details

EPA ID (PWSID)
OH0501214
System Type
CWS
Water Source
Groundwater
Location
Nelsonville, OH
Population Served
6,656
Health Violations
Yes (30)

What contaminants are in this water system?

Contaminant Violations Health-Based
Total Trihalomethanes (TTHM) 30 30

Violation History (30)

Contaminant Health Date
Total Trihalomethanes (TTHM) Yes Jul 1, 2025
Total Trihalomethanes (TTHM) Yes Apr 1, 2025
Total Trihalomethanes (TTHM) Yes Apr 1, 2025
Total Trihalomethanes (TTHM) Yes Jan 1, 2025
Total Trihalomethanes (TTHM) Yes Jan 1, 2025
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Jul 1, 2020
Total Trihalomethanes (TTHM) Yes Jul 1, 2020
Total Trihalomethanes (TTHM) Yes Apr 1, 2019
Total Trihalomethanes (TTHM) Yes Jan 1, 2019
Total Trihalomethanes (TTHM) Yes Oct 1, 2018
Total Trihalomethanes (TTHM) Yes Apr 1, 2016
Total Trihalomethanes (TTHM) Yes Oct 1, 2015

Frequently Asked Questions

Is NELSONVILLE PWS water safe to drink?
NELSONVILLE PWS has 30 health-based violations out of 30 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses groundwater water as its source.
How many people does NELSONVILLE PWS serve?
NELSONVILLE PWS serves 6,656 people in Nelsonville, OH. It is classified as a CWS water system.
What violations does NELSONVILLE PWS have?
NELSONVILLE PWS has 30 total violations on record spanning 2015–2025. 30 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in NELSONVILLE PWS water?
Violations have been recorded for 1 contaminant. The most frequent: Total Trihalomethanes (TTHM).

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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