Public water system · TX2470005
ActiveSunko WSC
At a glance
Sunko WSC (PWSID TX2470005) is an active community water system in Wilson County, Texas. It reports serving 5,064 people through 1,688 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,064
Service connections
1,688
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sunko WSC compare with other water systems in Wilson County?
By EPA's size categories, Sunko WSC is a medium system (3,301 to 10,000 people). Wilson County has 14 active public water systems, and Sunko WSC is the 4th-largest of them by population served. Its population served is about 27% above the county average of 3,999 people per system, and accounts for 9% of the 55,988 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 Sunko WSC is about 24% 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 Sunko WSC?
EPA lists Sunko 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. 11 of the 14 active systems in Wilson County (79%) are also owned by a local government.
Does Sunko WSC have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2019. The violations listed here began between December 2014 and April 2019. By type: 2 monitoring and reporting. The contaminants or rules involved are Chlorine and Lead and Copper Rule. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
Sunko WSC: frequently asked questions
Who runs Sunko WSC?
Sunko WSC (PWSID TX2470005) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Sunko WSC serve?
Sunko WSC reports serving 5,064 people through 1,688 service connections in Wilson County, Texas.
Where does Sunko 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 Sunko WSC have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2019. 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 Sunko 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 2 violations for this system; none is health-based, and the most recent began in April 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Sunko WSC's water quality report?
As a community water system, Sunko 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 Wilson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ss WSC | Wilson | 20,826 | Community | Groundwater |
| City of Floresville | Wilson | 8,306 | Community | Groundwater |
| Oak Hills WSC | Wilson | 6,225 | Community | Groundwater |
| Picosa WSC | Wilson | 3,210 | Community | Groundwater |
| City of Poth | Wilson | 2,994 | Community | Groundwater |
| City of La Vernia | Wilson | 2,526 | Community | Groundwater |
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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, “Sunko WSC, PWSID TX2470005, Texas”, https://aquacensus.com/water-systems/texas/sunko-wsc-tx2470005 (data as of October 1, 2026).