TOWN OF ZWOLLE WATER SYSTEM

PWSID: LA1085032 · Zwolle, LA · Serves 2,520 people

Health Violations

TOWN OF ZWOLLE WATER SYSTEM has 87 health-based violations out of 87 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
2,520
Total Violations
87
Health Violations
87
Source Type
Groundwater

TOWN OF ZWOLLE WATER SYSTEM (PWSID LA1085032) 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 2,520 people in Zwolle, LA, and is subject to primacy enforcement by the Louisiana drinking-water program.

The system's federal compliance record contains 87 total violations, with 87 classified as health-based (MCL exceedances or treatment-technique failures). 4 distinct contaminants have been cited, including Total Trihalomethanes (TTHM), Fluoride, Total Coliform (RTCR). Recorded violations span 1993–2024.

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 Louisiana state drinking-water program's public portal.

System Details

EPA ID (PWSID)
LA1085032
System Type
CWS
Water Source
Groundwater
Location
Zwolle, LA
Population Served
2,520
Health Violations
Yes (87)

What contaminants are in this water system?

Contaminant Violations Health-Based
Total Trihalomethanes (TTHM) 63 63
Fluoride 15 15
Total Coliform (RTCR) 6 6
E. coli 3 3

Violation History (87)

Contaminant Health Date
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 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 Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
E. coli Yes Apr 15, 2022
E. coli Yes Apr 15, 2022
E. coli Yes Apr 15, 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 Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Oct 1, 2021
Total Trihalomethanes (TTHM) Yes Oct 1, 2021
Total Trihalomethanes (TTHM) Yes Oct 1, 2021
Total Trihalomethanes (TTHM) Yes Oct 1, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Fluoride Yes Jul 2, 2021
Total Trihalomethanes (TTHM) Yes Jul 1, 2021
Total Trihalomethanes (TTHM) Yes Jul 1, 2021
Total Trihalomethanes (TTHM) Yes Jul 1, 2021
Total Trihalomethanes (TTHM) Yes Apr 1, 2021
Total Trihalomethanes (TTHM) Yes Apr 1, 2021
Total Trihalomethanes (TTHM) Yes Apr 1, 2021
Total Trihalomethanes (TTHM) Yes Jan 1, 2021
Total Trihalomethanes (TTHM) Yes Jan 1, 2021
Total Trihalomethanes (TTHM) Yes Jan 1, 2021
Total Trihalomethanes (TTHM) Yes Jan 1, 2021
Total Trihalomethanes (TTHM) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Jul 1, 2018
Total Trihalomethanes (TTHM) Yes Jul 1, 2018
Total Trihalomethanes (TTHM) Yes Jul 1, 2018
Total Trihalomethanes (TTHM) Yes Jan 1, 2018
Total Trihalomethanes (TTHM) Yes Jan 1, 2018
Total Trihalomethanes (TTHM) Yes Jan 1, 2018
Total Trihalomethanes (TTHM) Yes Jan 1, 2018
Total Trihalomethanes (TTHM) Yes Apr 1, 2017
Total Trihalomethanes (TTHM) Yes Apr 1, 2017
Total Trihalomethanes (TTHM) Yes Apr 1, 2017
Total Trihalomethanes (TTHM) Yes Apr 1, 2017
Total Trihalomethanes (TTHM) Yes Jan 1, 2016
Total Trihalomethanes (TTHM) Yes Jan 1, 2016
Total Trihalomethanes (TTHM) Yes Jan 1, 2016
Total Trihalomethanes (TTHM) Yes Jan 1, 2016
Total Coliform (RTCR) Yes Aug 15, 1997
Total Coliform (RTCR) Yes Aug 15, 1997
Total Coliform (RTCR) Yes Nov 15, 1996
Total Coliform (RTCR) Yes Nov 15, 1996
Total Coliform (RTCR) Yes Jan 15, 1993
Total Coliform (RTCR) Yes Jan 15, 1993

Frequently Asked Questions

Is TOWN OF ZWOLLE WATER SYSTEM water safe to drink?
TOWN OF ZWOLLE WATER SYSTEM has 87 health-based violations out of 87 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 TOWN OF ZWOLLE WATER SYSTEM serve?
TOWN OF ZWOLLE WATER SYSTEM serves 2,520 people in Zwolle, LA. It is classified as a CWS water system.
What violations does TOWN OF ZWOLLE WATER SYSTEM have?
TOWN OF ZWOLLE WATER SYSTEM has 87 total violations on record spanning 1993–2024. 87 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in TOWN OF ZWOLLE WATER SYSTEM water?
Violations have been recorded for 4 contaminants. The most frequent: Total Trihalomethanes (TTHM), Fluoride, Total Coliform (RTCR).

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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