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Public water system · LA1119030

Active

Thomasville Water System

At a glance

Thomasville Water System (PWSID LA1119030) is an active community water system in Webster Parish County, Louisiana. It reports serving 327 people through 109 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2013.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

327

Service connections

109

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDLA1119030
System typeCommunity water system
Activity statusActive
Population served327
Service connections109
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyLA state drinking water program
City served—
StateLouisiana
ZIP—
CountyWebster Parish County

How does Thomasville Water System compare with other water systems in Webster Parish County?

By EPA's size categories, Thomasville Water System is a very small system (500 people or fewer). Webster Parish County has 31 active public water systems. Its population served is well below the county average of 1,670 people per system, and accounts for 0.6% of the 51,778 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active community water system reports serving 6,703 people, so Thomasville Water System is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Louisiana has 815 active community water systems, 73% of the state's 1,121 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.

Who owns and regulates Thomasville Water System?

EPA lists Thomasville Water System as privately owned. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 21 of the 31 active systems in Webster Parish County (68%) are also privately owned.

Does Thomasville Water System have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2013. The violations listed here began between August 2013 and August 2013. By type: 2 monitoring and reporting. The contaminants or rules involved are Haloacetic acids (HAA5) and Total trihalomethanes (TTHM). EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2013-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2013-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved

All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Thomasville Water System: frequently asked questions

Who runs Thomasville Water System?

Thomasville Water System (PWSID LA1119030) is a community water system privately owned. It is regulated by the LA state drinking water program.

How many people does Thomasville Water System serve?

Thomasville Water System reports serving 327 people through 109 service connections in Webster Parish County, Louisiana.

Where does Thomasville Water System get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Thomasville Water System have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2013. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Thomasville Water System's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.

Where can I find Thomasville Water System's water quality report?

As a community water system, Thomasville Water System must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Webster Parish County

Water systemCountyPopulation servedTypeSource
City of Minden Water SystemWebster Parish16,281CommunityGroundwater
Springhill Water SystemWebster Parish7,800CommunityGroundwater
Town of Sibley Water SystemWebster Parish2,373CommunityGroundwater
Shongaloo Water SystemWebster Parish2,196CommunityGroundwater
Blocker Water SystemWebster Parish1,719CommunityGroundwater
Pleasant Valley Water SystemWebster Parish1,683CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Thomasville Water System, PWSID LA1119030, Louisiana”, https://aquacensus.com/water-systems/louisiana/thomasville-water-system-la1119030 (data as of October 1, 2026).