Public water system record

Houma Water Treatment Service Area

Serves an area of Terrebonne Parish, LA that includes Dulac and Houma · 11,658 people served

Federal records show 1 health-based violation and 4 monitoring/reporting issues for Houma Water Treatment Service Area in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • LA1109001
  • HOUMA
  • LA
  • 11,658 served

System profile

Source water Surface water
ZIP 70361
EPA system ID LA1109001

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
4

Key facts

  • Houma Water Treatment Service Area draws water from 2 surface water intakes and 1 reservoir.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 81 µg/L, federal limit 80 µg/L (at or just above the limit), 2018.
  • Record on file since 1994, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 3,146 unknown out of 5,327 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
220 Jan 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Chlorine dioxide
Monitoring and reporting
Jul 1, 2020 Resolved
Public Notice
OTHER
Apr 3, 2018 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved

Full record since 1994

EPA's records for Houma Water Treatment Service Area go back to 1994. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 1 monitoring or reporting violation.

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

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2002, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1994 Archived

What the violations mean

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Houma Water Treatment Service Area draws water from 2 surface water intakes and 1 reservoir. It also buys water from Schriever Water Treatment Service Area.

Buys water from

Annual water quality report

Houma Water Treatment Service Area 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.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.