EAST DESOTO WATER SYSTEM
PWSID: LA1031005 · Mansfield, LA · Serves 1,455 people
According to EPA Safe Drinking Water Information System (SDWIS), EAST DESOTO WATER SYSTEM (PWSID LA1031005) in Mansfield, LA is listed as a CWS water system covering about 1,455 people. The same extract lists 55 health-based violation records spanning 1994-2025. Those 55 health-based rows for EAST DESOTO WATER SYSTEM cover contaminants such as TTHM, Groundwater Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
EAST DESOTO WATER SYSTEM has 55 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 1994–2025. 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)
- LA1031005
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mansfield, LA
- Population Served
- 1,455
- Health Violations
- Yes (55)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 47 | 47 |
| Groundwater Rule | 4 | 4 |
| Coliform (TCR) | 3 | 3 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (55)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| 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 | 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 |
| Groundwater Rule | Yes | Feb 25, 2023 |
| Groundwater Rule | Yes | Feb 25, 2023 |
| Groundwater Rule | Yes | Feb 25, 2023 |
| Groundwater Rule | Yes | Feb 25, 2023 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Oct 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| Coliform (TCR) | Yes | Jul 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| Coliform (TCR) | Yes | Aug 1, 2009 |
| Coliform (TCR) | Yes | May 15, 1994 |
Frequently Asked Questions
What does EPA SDWIS list for EAST DESOTO WATER SYSTEM?
How many people does EAST DESOTO WATER SYSTEM serve?
What violations does EAST DESOTO WATER SYSTEM have?
What contaminants have been found in EAST DESOTO WATER SYSTEM water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest EAST DESOTO WATER SYSTEM on cumulative violation count (55) and EPA-reported population served (1,455). Violation-count peers include HACKETT WATERWORKS, GIBSON, WESTPORT WATER COMPANY. Population peers include FALKVILLE WATER WORKS, BUTLER CO RWD 7, POTTAWATOMIE CO RWD 3.
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
EAST DESOTO WATER SYSTEM (LA1031005) is drawn from EPA SDWIS. Nearby county systems in this extract include NORTH DESOTO WATER SYSTEM; CITY OF MANSFIELD WATER SYSTEM; DESOTO PARISH WATER WORKS DISTRICT 1; KEATCHIE WATER SYSTEM. Health-based rows (55 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.