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Public water system record

Mamou Road Water District, Inc

On record as serving St. Landry Parish, LA · Serves 2,478 people

Federal records show 2 health-based violations and 5 monitoring/reporting issues for Mamou Road Water District, Inc in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • LA1097018
  • EUNICE
  • LA
  • 2,478 served

System profile

Source water Groundwater
ZIP 70535
EPA system ID LA1097018

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Mamou Road Water District, Inc draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Louisiana, September 2015.
  • Record on file since 1994, with 15 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 959 service lines.

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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 Sep 27, 2021 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 27, 2021 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Nov 2, 2021 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 31, 2015 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jul 31, 2014 Resolved
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
 Jul 2, 2010 Resolved

Full record since 1994

EPA's records for Mamou Road Water District, Inc go back to 1994. Before October 19, 2016 they list 15 health-based violations (14 resolved, 1 archived by EPA without a recorded fix) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 0
2000s 0 4
2010 to October 18, 2016 14 3
October 19, 2016 to 2019 0 1
2020s 2 1

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2015, Resolved.

Show all 15 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 87 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 94 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 94 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Apr 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 63 µg/L, federal limit 60 µg/L (1.1 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 92 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Oct 1, 2014 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 77 µg/L, federal limit 60 µg/L (1.3 times the limit)
 Jul 1, 2013 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 82 µg/L, federal limit 60 µg/L (1.4 times the limit)
 Apr 1, 2013 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 83 µg/L, federal limit 60 µg/L (1.4 times the limit)
 Jan 1, 2013 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 77 µg/L, federal limit 60 µg/L (1.3 times the limit)
 Oct 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83 µg/L, federal limit 80 µg/L (at or just above the limit)
 Oct 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83 µg/L, federal limit 80 µg/L (at or just above the limit)
 Jul 1, 2010 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 65 µg/L, federal limit 60 µg/L (1.1 times the limit)
 Apr 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Apr 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 1994 Archived

Enforcement actions

Louisiana regulators took 1 formal enforcement action against Mamou Road Water District, Inc in 2015. The most recent was a compliance order (no penalty) in September 2015.

Date By Action Violations covered
Sep 29, 2015 Louisiana Compliance order (no penalty) 14 violations (14 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)

What the violations mean

Groundwater Rule

2 incidents

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 each of these violations.

Where the water comes from

Mamou Road Water District, Inc draws water from 2 wells. It also has an emergency connection to Savoy Swords Water System Inc. 1 other public water system has an emergency connection to Mamou Road Water District, Inc.

Emergency or part-time connections to

Annual water quality report

Mamou Road Water District, Inc 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