Public water system · TX1630012
ActiveMedina Valley High School
At a glance
Medina Valley High School (PWSID TX1630012) is an active non-transient non-community water system in Medina County, Texas. It reports serving 2,501 people through 27 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,501
Service connections
27
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Medina Valley High School compare with other water systems in Medina County?
By EPA's size categories, Medina Valley High School is a small system (501 to 3,300 people). Medina County has 32 active public water systems. Its population served is roughly in line with the county average of 2,764 people per system, and accounts for 2.8% of the 88,450 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Medina Valley High School is about 5.8 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Texas has 862 active non-transient non-community water systems, 12% 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 Medina Valley High School?
EPA lists Medina Valley High School 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. 20 of the 32 active systems in Medina County (63%) are also owned by a local government.
Does Medina Valley High School have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. The violations listed here began between April 2024 and April 2026. By type: 5 public notice, recordkeeping or other, 5 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Public Notice (5 of them). EPA lists 7 as resolved and 5 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-04-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-04-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-03-05 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-09-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-05-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | 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.
Medina Valley High School: frequently asked questions
Who runs Medina Valley High School?
Medina Valley High School (PWSID TX1630012) is a non-transient non-community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Medina Valley High School serve?
Medina Valley High School reports serving 2,501 people through 27 service connections in Medina County, Texas.
Where does Medina Valley High School 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 Medina Valley High School 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 April 2026. 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 Medina Valley High School'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 April 2026. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Medina Valley High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Medina Valley High School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Medina County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Benton City WSC | Medina | 32,000 | Community | Groundwater |
| Yancey WSC | Medina | 12,186 | Community | Groundwater |
| City of Hondo | Medina | 11,044 | Community | Groundwater |
| East Medina County Sud Unit 1 | Medina | 6,153 | Community | Groundwater |
| City of Devine | Medina | 4,335 | Community | Groundwater |
| City of Castroville | Medina | 3,913 | 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, “Medina Valley High School, PWSID TX1630012, Texas”, https://aquacensus.com/water-systems/texas/medina-valley-high-school-tx1630012 (data as of October 1, 2026).