Skip to content
AquaCensus

Public water system · TX2120009

Active

Dean WSC

At a glance

Dean WSC (PWSID TX2120009) is an active community water system in Smith County, Texas. It reports serving 5,907 people through 1,969 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025.

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

Population served

5,907

Service connections

1,969

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX2120009
System typeCommunity water system
Activity statusActive
Population served5,907
Service connections1,969
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountySmith County

How does Dean WSC compare with other water systems in Smith County?

By EPA's size categories, Dean WSC is a medium system (3,301 to 10,000 people). Smith County has 45 active public water systems. Its population served is roughly in line with the county average of 6,223 people per system, and accounts for 2.1% of the 280,017 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Dean WSC is about 12% 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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.

Who owns and regulates Dean WSC?

EPA lists Dean WSC as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 45 active systems in Smith County (49%) are also owned by a local government.

Does Dean WSC have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between July 1992 and July 2025. By type: 2 monitoring and reporting, 1 reporting, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoResolved
2012-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
1992-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1992-07-01Public notice, recordkeeping or otherNotification, Public · code 06Total coliform bacteria (TCR)code 3100NoArchived

All 5 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.

Dean WSC: frequently asked questions

Who runs Dean WSC?

Dean WSC (PWSID TX2120009) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Dean WSC serve?

Dean WSC reports serving 5,907 people through 1,969 service connections in Smith County, Texas.

Where does Dean WSC 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 Dean WSC have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Dean WSC'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 5 violations for this system; 1 is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Dean WSC's water quality report?

As a community water system, Dean WSC 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 Smith County

Water systemCountyPopulation servedTypeSource
City of TylerSmith107,000CommunitySurface water
Southern UtilitiesSmith69,735CommunityPurchased surface water
Lindale Rural WSCSmith14,781CommunityGroundwater
City of WhitehouseSmith9,571CommunityPurchased surface water
Walnut Grove WSCSmith8,775CommunityPurchased surface water
City of LindaleSmith6,313CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Dean WSC, PWSID TX2120009, Texas”, https://aquacensus.com/water-systems/texas/dean-wsc-tx2120009 (data as of October 1, 2026).