Public water system record
Mansfield Water System
Serves Mansfield, De Soto Parish, LA · 7,512 people served
Federal records show 22 health-based violations and no monitoring/reporting issues for Mansfield Water System in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 22
- Resolved
- 21
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- Mansfield Water System draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by Louisiana, September 2024.
- Record on file since 1993, with 15 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 446 unknown out of 3,486 service lines.
Check whether Mansfield Water System serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2024 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.112 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Apr 1, 2024 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2024 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Jan 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96 µg/L, federal limit 80 µg/L (1.2 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 91 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 86 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Jan 1, 2017 | Resolved | No |
Full record since 1993
EPA's records for Mansfield Water System go back to 1993. Before October 19, 2016 they list 15 health-based violations (11 resolved, 4 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 0 |
| 2000s | 2 | 1 |
| 2010 to October 18, 2016 | 10 | 2 |
| October 19, 2016 to 2019 | 7 | 0 |
| 2020s | 15 | 0 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began July 2014, Resolved.
Show all 15 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Jul 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 87 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
Jul 1, 2014 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 63 µg/L, federal limit 60 µg/L (1.1 times the limit)
|
Apr 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 87 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
Apr 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2014 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2013 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90.3 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 15, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 15, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 15, 1997 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Apr 15, 1993 | Archived |
Enforcement actions
Louisiana regulators took 2 formal enforcement actions against Mansfield Water System between 2018 and 2024. The most recent was a compliance order (no penalty) in September 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 3, 2024 | Louisiana | Compliance order (no penalty) | 4 violations (4 health-based): Total Trihalomethanes (TTHMs) |
| Mar 19, 2018 | Louisiana | Compliance order (no penalty) | 8 violations (8 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
11 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Total Trihalomethanes (TTHMs)
9 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
CARBON, TOTAL
2 incidentsThe system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Mansfield Water System draws water from 1 surface water intake. 1 other public water system has an emergency connection to Mansfield Water System.
Annual water quality report
Mansfield Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Louisiana.
Certified drinking water labs by state EPA guidance for private wells