Public water system · TX0450066
ActiveSaint Marys Parish
At a glance
Saint Marys Parish (PWSID TX0450066) is an active transient non-community water system in Colorado County, Texas. It reports serving 100 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in August 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Saint Marys Parish compare with other water systems in Colorado County?
By EPA's size categories, Saint Marys Parish is a very small system (500 people or fewer). Colorado County has 43 active public water systems. Its population served is well below the county average of 416 people per system, and accounts for 0.6% of the 17,897 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Saint Marys Parish is about 31% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Texas has 1,622 active transient non-community water systems, 23% 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 Saint Marys Parish?
EPA lists Saint Marys Parish as privately owned. 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. 32 of the 43 active systems in Colorado County (74%) are also privately owned.
Does Saint Marys Parish have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in August 2023. The violations listed here began between January 2011 and August 2023. By type: 4 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2023-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 5 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.
Saint Marys Parish: frequently asked questions
Who runs Saint Marys Parish?
Saint Marys Parish (PWSID TX0450066) is a transient non-community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Saint Marys Parish serve?
Saint Marys Parish reports serving 100 people through 5 service connections in Colorado County, Texas.
Where does Saint Marys Parish 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 Saint Marys Parish have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in August 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 Saint Marys Parish'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 5 violations for this system; none is health-based, and the most recent began in August 2023. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Saint Marys Parish's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Saint Marys Parish is a 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 Colorado County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Eagle Lake | Colorado | 3,837 | Community | Groundwater |
| City of Columbus | Colorado | 3,739 | Community | Groundwater |
| City of Weimar | Colorado | 2,226 | Community | Groundwater |
| Glidden Fwsd 1 | Colorado | 855 | Community | Groundwater |
| Txdot Colorado County Sra | Colorado | 750 | Transient non-community | Purchased groundwater |
| Lake Sheridan Estates | Colorado | 750 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Saint Marys Parish, PWSID TX0450066, Texas”, https://aquacensus.com/water-systems/texas/saint-marys-parish-tx0450066 (data as of October 1, 2026).