Public water system · TX1630014
ActiveHighway 90 Ranch WSC
At a glance
Highway 90 Ranch WSC (PWSID TX1630014) is an active community water system in Medina County, Texas. It reports serving 412 people through 105 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, none is health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
412
Service connections
105
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Highway 90 Ranch WSC compare with other water systems in Medina County?
By EPA's size categories, Highway 90 Ranch WSC is a very small system (500 people or fewer). Medina County has 32 active public water systems. Its population served is well below the county average of 2,764 people per system, and accounts for 0.5% 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 community water system reports serving 6,703 people, so Highway 90 Ranch WSC is well 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 Highway 90 Ranch WSC?
EPA lists Highway 90 Ranch 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. 20 of the 32 active systems in Medina County (63%) are also owned by a local government.
Does Highway 90 Ranch WSC have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between October 2008 and December 2024. By type: 6 monitoring and reporting, 5 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Chlorine (4 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 |
|---|---|---|---|---|
| 2024-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2017-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-02-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-01-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-10-01 | 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.
Highway 90 Ranch WSC: frequently asked questions
Who runs Highway 90 Ranch WSC?
Highway 90 Ranch WSC (PWSID TX1630014) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Highway 90 Ranch WSC serve?
Highway 90 Ranch WSC reports serving 412 people through 105 service connections in Medina County, Texas.
Where does Highway 90 Ranch 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 Highway 90 Ranch WSC have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. 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 Highway 90 Ranch 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Highway 90 Ranch WSC's water quality report?
As a community water system, Highway 90 Ranch 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 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, “Highway 90 Ranch WSC, PWSID TX1630014, Texas”, https://aquacensus.com/water-systems/texas/highway-90-ranch-wsc-tx1630014 (data as of October 1, 2026).