Public water system · TX0150275
ActiveJbsa Medina
At a glance
Jbsa Medina (PWSID TX0150275) is an active community water system in Bexar County, Texas. It reports serving 3,650 people through 1,212 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,650
Service connections
1,212
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Jbsa Medina compare with other water systems in Bexar County?
By EPA's size categories, Jbsa Medina is a medium system (3,301 to 10,000 people). Bexar County has 77 active public water systems. Its population served is well below the county average of 37,744 people per system, and accounts for 0.1% of the 2,906,298 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 Jbsa Medina is about half of 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 Jbsa Medina?
EPA lists Jbsa Medina as owned by the federal 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. 7 of the 77 active systems in Bexar County (9.1%) are also owned by the federal government.
Does Jbsa Medina have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2017. The violations listed here began between January 2006 and February 2017. By type: 9 monitoring and reporting, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2017-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2010-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
The 12 most recent 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.
Jbsa Medina: frequently asked questions
Who runs Jbsa Medina?
Jbsa Medina (PWSID TX0150275) is a community water system owned by the federal government. It is regulated by the TX state drinking water program.
How many people does Jbsa Medina serve?
Jbsa Medina reports serving 3,650 people through 1,212 service connections in Bexar County, Texas.
Where does Jbsa Medina 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 Jbsa Medina have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2017. 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 Jbsa Medina'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Jbsa Medina's water quality report?
As a community water system, Jbsa Medina 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 Bexar County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Antonio Water System | Bexar | 2,643,729 | Community | Purchased surface water |
| Jbsa Sam Houston | Bexar | 37,563 | Community | Groundwater |
| City of Converse | Bexar | 29,709 | Community | Purchased surface water |
| East Central Sud | Bexar | 26,137 | Community | Purchased surface water |
| Jbsa Lackland | Bexar | 20,907 | Community | Groundwater |
| City of Universal City | Bexar | 20,119 | 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, “Jbsa Medina, PWSID TX0150275, Texas”, https://aquacensus.com/water-systems/texas/jbsa-medina-tx0150275 (data as of October 1, 2026).