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Public water system record

St Martin Water and Sewer Commission 1

Serves an area of St. Martin Parish and Assumption Parish, LA · 2,262 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for St Martin Water and Sewer Commission 1 in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • LA1099010
  • MORGAN CITY
  • LA
  • 2,262 served

System profile

Source water Purchased surface water
ZIP 70380
EPA system ID LA1099010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • St Martin Water and Sewer Commission 1 buys its water from Morgan City Water System.
  • Most recent formal enforcement: compliance order (no penalty) by Louisiana, December 2009.
  • Record on file since 1999, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 554 unknown out of 837 service lines.

Check whether St Martin Water and Sewer Commission 1 serves your address

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
 140 Apr 24, 2015 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Resolved

Full record since 1999

EPA's records for St Martin Water and Sewer Commission 1 go back to 1999. Before October 19, 2016 they list 4 health-based violations (1 resolved, 3 archived by EPA without a recorded fix) and 17 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 3 2
2010 to October 18, 2016 1 14
2020s 0 2

Most recent health-based violation before October 19, 2016: Groundwater Rule, began April 2015, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
 Apr 24, 2015 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 2005 Archived
Total Coliform
Contaminant limit exceeded
 Mar 1, 2005 Archived
Total Coliform
Contaminant limit exceeded
 Nov 1, 2004 Archived

Enforcement actions

Louisiana regulators took 1 formal enforcement action against St Martin Water and Sewer Commission 1 in 2009. The most recent was a compliance order (no penalty) in December 2009.

Date By Action Violations covered
Dec 10, 2009 Louisiana Compliance order (no penalty) 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)

What the violations mean

Groundwater Rule

1 incident

The 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 and Sewer Commission 1 buys its water from Morgan City Water System. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

St Martin Water and Sewer Commission 1 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