Public water system record
St Martin Water District 4 - Catahoula
Serves Catahoula, St. Martin Parish, LA · 3,000 people served
Federal records show 9 health-based violations and 3 monitoring/reporting issues for St Martin Water District 4 - Catahoula in the last ten years. The most serious issue in this window was a Arsenic violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 9
- Resolved
- 4
- Unresolved
- 0
- Archived by EPA
- 5
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 3
Key facts
- St Martin Water District 4 - Catahoula buys its water from St Martin Industrial Park Water System.
- Highest measured level in the last 10 years: Arsenic, 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit), 2025.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2014.
- Record on file since 2003, with 15 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 914 service lines.
Check whether St Martin Water District 4 - Catahoula 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 |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Jul 1, 2022 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jun 1, 2020 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 19, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 7, 2011 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 17, 2021 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 9, 2011 | Resolved |
Full record since 2003
EPA's records for St Martin Water District 4 - Catahoula go back to 2003. Before October 19, 2016 they list 15 health-based violations (10 resolved, 5 archived by EPA without a recorded fix) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 12 | 18 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 7 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2012, Resolved.
Show all 15 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 12 µg/L, federal limit 10 µg/L (1.2 times the limit)
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 14 µg/L, federal limit 10 µg/L (1.4 times the limit)
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 13 µg/L, federal limit 10 µg/L (1.3 times the limit)
|
Apr 1, 2011 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Mar 7, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 14 µg/L, federal limit 10 µg/L (1.4 times the limit)
|
Jan 1, 2011 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2010 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2003 | Archived |
Enforcement actions
Louisiana regulators and EPA took 2 formal enforcement actions against St Martin Water District 4 - Catahoula between 2012 and 2014. The most recent was a compliance order (no penalty) in March 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 28, 2014 | EPA | Compliance order (no penalty) | 1 violation (1 health-based): Groundwater Rule |
| Mar 30, 2012 | Louisiana | Compliance order (no penalty) | 28 violations (13 health-based): Arsenic, Total Coliform, Public Notice, Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
What the violations mean
Arsenic
6 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Revised Total Coliform Rule
2 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
St Martin Water District 4 - Catahoula buys its water from St Martin Industrial Park Water System. It lists no wells or intakes of its own.
Buys water from
- St Martin Industrial Park Water System St. Martinville, LA
Annual water quality report
St Martin Water District 4 - Catahoula 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