Public water system record

Lonoke Waterworks

Serves Lonoke, Lonoke County, AR · 4,277 people served

Federal records show 5 health-based violations and 2 monitoring/reporting issues for Lonoke Waterworks in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.

  • AR0000343
  • LONOKE
  • AR
  • 4,277 served

System profile

Source water Groundwater
ZIP 72086
EPA system ID AR0000343

Verify this system on EPA ECHO →

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

Key facts

  • Lonoke Waterworks draws water from 3 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: administrative penalty by Arkansas, February 2025.
  • Record on file since 1999, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2,167 unknown out of 2,167 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
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
210 Mar 1, 2025 Resolved No
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
210 Feb 1, 2025 Resolved No
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
210 Jan 1, 2025 Resolved No
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
210 Dec 1, 2024 Resolved No
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
210 Nov 1, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Chlorine
Monitoring and reporting
Jan 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Oct 19, 1999 Resolved

Full record since 1999

EPA's records for Lonoke Waterworks go back to 1999. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2000s 0 1
2010 to October 18, 2016 1 0
October 19, 2016 to 2019 0 1
2020s 5 0

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

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Mar 1, 2012 Resolved

Enforcement actions

Arkansas regulators took 1 formal enforcement action against Lonoke Waterworks in 2025. The most recent was an administrative penalty in February 2025.

Date By Action Violations covered
Feb 10, 2025 Arkansas Administrative penalty 5 violations (5 health-based): Stage 1 Disinfection Byproducts Rule

What the violations mean

Stage 1 Disinfection Byproducts Rule

5 incidents

The system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule

Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk

Where the water comes from

Lonoke Waterworks draws water from 3 wells (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Grand Prairie Regional Water. 1 smaller public system such as schools, businesses or campgrounds buys water from Lonoke Waterworks.

Emergency or part-time connections to

Annual water quality report

Lonoke Waterworks 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 Arkansas.