TOWN OF ZWOLLE WATER SYSTEM
PWSID: LA1085032 · Zwolle, LA · Serves 2,520 people
According to EPA Safe Drinking Water Information System (SDWIS), TOWN OF ZWOLLE WATER SYSTEM (PWSID LA1085032) in Zwolle, LA is listed as a CWS water system covering about 2,520 people. The same extract lists 107 health-based violation records spanning 1993-2024. Those 107 health-based rows for TOWN OF ZWOLLE WATER SYSTEM cover contaminants such as TTHM, Groundwater Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
TOWN OF ZWOLLE WATER SYSTEM has 107 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including TTHM, Groundwater Rule, Coliform (TCR). Recorded violations span 1993–2024. Day-to-day primacy enforcement for this system runs through the Louisiana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 (107)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 83 | 83 |
| Groundwater Rule | 15 | 15 |
| Coliform (TCR) | 6 | 6 |
| Revised Total Coliform Rule | 3 | 3 |
Violation History (107)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| Revised Total Coliform Rule | Yes | Apr 15, 2022 |
| Revised Total Coliform Rule | Yes | Apr 15, 2022 |
| Revised Total Coliform Rule | Yes | Apr 15, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| Groundwater Rule | Yes | Jul 2, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for TOWN OF ZWOLLE WATER SYSTEM?
How many people does TOWN OF ZWOLLE WATER SYSTEM serve?
What violations does TOWN OF ZWOLLE WATER SYSTEM have?
What contaminants have been found in TOWN OF ZWOLLE WATER SYSTEM water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TOWN OF ZWOLLE WATER SYSTEM on cumulative violation count (107) and EPA-reported population served (2,520). Violation-count peers include SNYDER PUBLIC WORKS AUTHORITY, COPAN PWA, JACKSON TWP WATER AUTH. Population peers include ROCKPORT WATER, BARRANCAS NUEVO, WHITE OAK BEND MUD.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
TOWN OF ZWOLLE WATER SYSTEM (LA1085032) is drawn from EPA SDWIS. Nearby county systems in this extract include SABINE PARISH WATER DISTRICT 1; EBARB WWKS DIST # 1 - AIMWELL AREA; SOUTH TOLEDO BEND WATER DISTRICT; TOWN OF MANY WATER SYSTEM. Health-based rows (107 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.