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Public water system record

Hickory Grove Water System

Serves an area of Red River Parish, LA · 570 people served

Federal records show 9 health-based violations and 8 monitoring/reporting issues for Hickory Grove Water System in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • LA1081010
  • COUSHATTA
  • LA
  • 570 served

System profile

Source water Purchased surface water
ZIP 71019
EPA system ID LA1081010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
9
Resolved
6
Unresolved
0
Archived by EPA
3
Any acute record
No
Monitoring issues, last 10 years
8

Key facts

  • Hickory Grove Water System draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.126 mg/L, federal limit 0.08 mg/L (1.6 times the limit), 2025.
  • Most recent formal enforcement: compliance order (no penalty) by Louisiana, August 2019.
  • Record on file since 1999, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 187 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 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.126 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 220 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Groundwater Rule
Treatment technique failure
 140 Sep 2, 2018 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 2, 2018 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 2, 2018 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 2, 2018 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 2, 2018 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 2, 2018 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 13, 2025 Active
Public Notice
OTHER
 Aug 16, 2025 Active
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Resolved
Public Notice
OTHER
 Mar 2, 2019 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
 Mar 4, 2017 Resolved
Public Notice
OTHER
 Aug 7, 2014 Resolved
Public Notice
OTHER
 Apr 17, 2011 Resolved

Full record since 1999

EPA's records for Hickory Grove Water System go back to 1999. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2010 to October 18, 2016 2 5
October 19, 2016 to 2019 6 3
2020s 3 3

Most recent health-based violation before October 19, 2016: Total Coliform, began June 2014, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Jun 1, 2014 Resolved
Groundwater Rule
Treatment technique failure
 Aug 2, 2012 Resolved

Enforcement actions

Louisiana regulators took 1 formal enforcement action against Hickory Grove Water System and issued 1 boil water order between 2003 and 2019. The most recent was a compliance order (no penalty) in August 2019.

Date By Action Violations covered
Aug 12, 2019 Louisiana Compliance order (no penalty) 6 violations (6 health-based): Groundwater Rule
Aug 13, 2003 Louisiana Boil water order 1 violation

What the violations mean

Groundwater Rule

6 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.

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Hickory Grove Water System draws water from 4 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Fairview Union Water System.

Buys water from

Annual water quality report

Hickory Grove 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.

Certified drinking water labs by state EPA guidance for private wells