Public water system · TX2040058
ActiveMercy WSC
At a glance
Mercy WSC (PWSID TX2040058) is an active community water system in San Jacinto County, Texas. It reports serving 2,458 people through 897 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 July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,458
Service connections
897
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mercy WSC compare with other water systems in San Jacinto County?
By EPA's size categories, Mercy WSC is a small system (501 to 3,300 people). San Jacinto County has 37 active public water systems, and Mercy WSC is the 5th-largest of them by population served. Its population served is about 175% above the county average of 895 people per system, and accounts for 7.4% of the 33,112 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 Mercy WSC is about 63% 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 Mercy WSC?
EPA lists Mercy 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. 12 of the 37 active systems in San Jacinto County (32%) are also owned by a local government.
Does Mercy WSC have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2023. The violations listed here began between October 2015 and July 2023. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Consumer Confidence Rule 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 |
|---|---|---|---|---|
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | 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.
Mercy WSC: frequently asked questions
Who runs Mercy WSC?
Mercy WSC (PWSID TX2040058) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Mercy WSC serve?
Mercy WSC reports serving 2,458 people through 897 service connections in San Jacinto County, Texas.
Where does Mercy 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 Mercy 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 July 2023. 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 Mercy 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 July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Mercy WSC's water quality report?
As a community water system, Mercy 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 San Jacinto County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Jacinto Sud | San Jacinto | 3,993 | Community | Groundwater |
| City of Shepherd | San Jacinto | 3,411 | Community | Groundwater |
| One Five O WSC | San Jacinto | 3,094 | Community | Groundwater |
| Dodge Oakhurst WSC 2 | San Jacinto | 2,500 | Community | Groundwater |
| Holiday Villages of Livingston | San Jacinto | 2,272 | Community | Groundwater |
| Pb & Sc Water Supply Corporation | San Jacinto | 2,163 | 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, “Mercy WSC, PWSID TX2040058, Texas”, https://aquacensus.com/water-systems/texas/mercy-wsc-tx2040058 (data as of October 1, 2026).