Public water system record

Powhatan Water System

Serves Powhatan, Natchitoches Parish, LA · 612 people served

Federal records show 28 health-based violations and 20 monitoring/reporting issues for Powhatan Water System in the last ten years, including an unresolved Groundwater Rule violation.

  • LA1069008
  • MANY
  • LA
  • 612 served

System profile

Source water Groundwater
ZIP 71449
EPA system ID LA1069008

Verify this system on EPA ECHO →

Health-based violations, last 10 years
28
Resolved
23
Unresolved
5
Any acute record
No
Monitoring issues, last 10 years
20

Key facts

  • Powhatan Water System draws water from 3 wells.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.162 mg/L, federal limit 0.06 mg/L (2.7 times the limit), 2021.
  • Most recent formal enforcement: compliance order (no penalty) by Louisiana, August 2020.
  • Record on file since 1993, with 18 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 226 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 Feb 4, 2023 Active No
Groundwater Rule
Treatment technique failure
140 Feb 4, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jul 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
220 Apr 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
220 Apr 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.148 mg/L, federal limit 0.06 mg/L (2.5 times the limit)
220 Jan 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.145 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
220 Jan 1, 2022 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 Oct 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.176 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
220 Oct 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.171 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
220 Jul 1, 2021 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 Jul 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.128 mg/L, federal limit 0.06 mg/L (2.1 times the limit)
220 Apr 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.128 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
220 Apr 1, 2021 Resolved No
Groundwater Rule
Treatment technique failure
140 Mar 10, 2020 Active
Enforcement action in place
No
Groundwater Rule
Treatment technique failure
140 Mar 10, 2020 Active
Enforcement action in place
No
Revised Total Coliform Rule
Treatment technique failure
110 Oct 10, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Sep 17, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Sep 17, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Apr 13, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Apr 13, 2019 Active
Enforcement action in place
No
Groundwater Rule
Treatment technique failure
140 Apr 13, 2019 Active
Enforcement action in place
No
Groundwater Rule
Treatment technique failure
140 Apr 13, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Apr 13, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Apr 13, 2019 Resolved No
Groundwater Rule
Treatment technique failure
140 Jan 2, 2019 Resolved No
Revised Total Coliform Rule
Treatment technique failure
110 Nov 23, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 91 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 104 µg/L, federal limit 80 µg/L (1.3 times the limit)
220 Oct 1, 2016 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
Apr 25, 2022 Resolved
Public Notice
OTHER
Feb 4, 2022 Resolved
Public Notice
OTHER
Nov 23, 2021 Active
Public Notice
OTHER
Nov 19, 2021 Resolved
Public Notice
OTHER
Nov 3, 2021 Resolved
Public Notice
OTHER
Aug 4, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Public Notice
OTHER
Aug 17, 2020 Active
Enforcement action in place
Public Notice
OTHER
Feb 21, 2020 Active
Public Notice
OTHER
Feb 10, 2020 Active
Enforcement action in place
Public Notice
OTHER
Nov 27, 2019 Active
Enforcement action in place
Public Notice
OTHER
May 3, 2019 Active
Enforcement action in place
E. coli
Monitoring and reporting
Jan 25, 2019 Resolved
Public Notice
OTHER
Jan 1, 2019 Active
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Public Notice
OTHER
Dec 16, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 31, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 31, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 31, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 31, 2016 Resolved

Full record since 1993

EPA's records for Powhatan Water System go back to 1993. Before October 19, 2016 they list 18 health-based violations (18 resolved) and 9 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 14 3
2010 to October 18, 2016 4 5
October 19, 2016 to 2019 12 8
2020s 15 10

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

Show all 18 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 104 µg/L, federal limit 80 µg/L (1.3 times the limit)
Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 104 µg/L, federal limit 80 µg/L (1.3 times the limit)
Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 138 µg/L, federal limit 80 µg/L (1.7 times the limit)
Apr 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 66 µg/L, federal limit 60 µg/L (1.1 times the limit)
Apr 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 94 µg/L, federal limit 60 µg/L (1.6 times the limit)
Jul 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 132 µg/L, federal limit 80 µg/L (1.7 times the limit)
Jul 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 86 µg/L, federal limit 60 µg/L (1.4 times the limit)
Apr 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 127 µg/L, federal limit 80 µg/L (1.6 times the limit)
Apr 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 123 µg/L, federal limit 60 µg/L (2.1 times the limit)
Jan 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 184 µg/L, federal limit 80 µg/L (2.3 times the limit)
Jan 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 144 µg/L, federal limit 60 µg/L (2.4 times the limit)
Oct 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 204 µg/L, federal limit 80 µg/L (2.6 times the limit)
Oct 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jul 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Apr 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 2005 Resolved

Enforcement actions

Louisiana regulators took 3 formal enforcement actions against Powhatan Water System between 2006 and 2020. The most recent was a compliance order (no penalty) in August 2020.

Date By Action Violations covered
Aug 21, 2020 Louisiana Compliance order (no penalty) 16 violations (12 health-based): Revised Total Coliform Rule, Groundwater Rule, Public Notice
Sep 25, 2017 Louisiana Compliance order (no penalty) 18 violations (16 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Apr 4, 2006 Louisiana Compliance order (no penalty) 12 violations (10 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)

What the violations mean

Groundwater Rule

13 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)

8 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

5 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Revised Total Coliform Rule

2 incidents

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Powhatan Water System draws water from 3 wells. It also buys water from Sabine Parish Water District 1.

Buys water from

Annual water quality report

Powhatan 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.