Public water system record

East Columbia Water System

Serves an area of Caldwell Parish, LA · 2,829 people served

Federal records show 24 health-based violations and 1 monitoring/reporting issue for East Columbia Water System in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • LA1021004
  • COLUMBIA
  • LA
  • 2,829 served

System profile

Source water Groundwater
ZIP 71418
EPA system ID LA1021004

Verify this system on EPA ECHO →

Health-based violations, last 10 years
24
Resolved
24
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • East Columbia Water System draws water from 2 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 456 µg/L, federal limit 80 µg/L (5.7 times the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by Louisiana, November 2018.
  • Record on file since 1992, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,095 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 0.115 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Oct 1, 2021 Resolved No
Groundwater Rule
Treatment technique failure
140 Oct 1, 2021 Resolved No
Groundwater Rule
Treatment technique failure
140 Oct 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.143 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
220 Jul 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.142 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
220 Apr 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.141 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
220 Jan 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.144 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
220 Oct 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.229 mg/L, federal limit 0.08 mg/L (2.9 times the limit)
220 Jul 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
220 Jul 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.353 mg/L, federal limit 0.08 mg/L (4.4 times the limit)
220 Apr 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.141 mg/L, federal limit 0.06 mg/L (2.4 times the limit)
220 Apr 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.444 mg/L, federal limit 0.08 mg/L (5.6 times the limit)
220 Jan 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.162 mg/L, federal limit 0.06 mg/L (2.7 times the limit)
220 Jan 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.439 mg/L, federal limit 0.08 mg/L (5.5 times the limit)
220 Oct 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.161 mg/L, federal limit 0.06 mg/L (2.7 times the limit)
220 Oct 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 447 µg/L, federal limit 80 µg/L (5.6 times the limit)
220 Jul 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 186 µg/L, federal limit 60 µg/L (3.1 times the limit)
220 Jul 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 431 µg/L, federal limit 80 µg/L (5.4 times the limit)
220 Apr 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 178 µg/L, federal limit 60 µg/L (3 times the limit)
220 Apr 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 175 µg/L, federal limit 60 µg/L (2.9 times the limit)
220 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 420 µg/L, federal limit 80 µg/L (5.3 times the limit)
220 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 436 µg/L, federal limit 80 µg/L (5.5 times the limit)
220 Oct 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 200 µg/L, federal limit 60 µg/L (3.3 times the limit)
220 Oct 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 456 µg/L, federal limit 80 µg/L (5.7 times the limit)
220 Jul 1, 2017 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
Dec 23, 2017 Resolved

Full record since 1992

EPA's records for East Columbia Water System go back to 1992. Before October 19, 2016 they list 7 health-based violations (3 resolved, 4 archived by EPA without a recorded fix) and 24 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 4 2
2000s 0 10
2010 to October 18, 2016 3 12
October 19, 2016 to 2019 18 1
2020s 6 0

Most recent health-based violation before October 19, 2016: Total Coliform, began October 2012, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Oct 1, 2012 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Aug 15, 1999 Archived
Total Coliform
Contaminant limit exceeded
Feb 15, 1996 Archived
Total Coliform
Contaminant limit exceeded
Dec 15, 1994 Archived
Total Coliform
Contaminant limit exceeded
Jun 15, 1993 Archived

Enforcement actions

Louisiana regulators and EPA took 2 formal enforcement actions against East Columbia Water System between 1993 and 2018. The most recent was a compliance order (no penalty) in November 2018.

Date By Action Violations covered
Nov 13, 2018 Louisiana Compliance order (no penalty) 22 violations (22 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Aug 26, 1993 EPA Compliance order (no penalty) 3 violations (1 health-based): Lead and Copper Rule, Total Coliform

What the violations mean

Total Trihalomethanes (TTHMs)

14 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

8 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

East Columbia Water System draws water from 2 wells.

Annual water quality report

East Columbia 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.