Public water system · TX0450069
ActiveLake Sheridan Estates
At a glance
Lake Sheridan Estates (PWSID TX0450069) is an active community water system in Colorado County, Texas. It reports serving 750 people through 263 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
750
Service connections
263
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lake Sheridan Estates compare with other water systems in Colorado County?
By EPA's size categories, Lake Sheridan Estates is a small system (501 to 3,300 people). Colorado County has 43 active public water systems, and Lake Sheridan Estates is the 5th-largest of them by population served. Its population served is about 80% above the county average of 416 people per system, and accounts for 4.2% 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 community water system reports serving 6,703 people, so Lake Sheridan Estates 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 Lake Sheridan Estates?
EPA lists Lake Sheridan Estates 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. 10 of the 43 active systems in Colorado County (23%) are also owned by a local government.
Does Lake Sheridan Estates have drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between June 2005 and July 2025. By type: 4 monitoring and reporting, 2 public notice, recordkeeping or other, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 7 as resolved and 1 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2021-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-01-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-11-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-07-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 8 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.
Lake Sheridan Estates: frequently asked questions
Who runs Lake Sheridan Estates?
Lake Sheridan Estates (PWSID TX0450069) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Lake Sheridan Estates serve?
Lake Sheridan Estates reports serving 750 people through 263 service connections in Colorado County, Texas.
Where does Lake Sheridan Estates 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 Lake Sheridan Estates have any drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Lake Sheridan Estates' 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 8 violations for this system; 1 is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Lake Sheridan Estates' water quality report?
As a community water system, Lake Sheridan Estates 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 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 |
| Colorado County Wcid 2 | Colorado | 654 | 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, “Lake Sheridan Estates, PWSID TX0450069, Texas”, https://aquacensus.com/water-systems/texas/lake-sheridan-estates-tx0450069 (data as of October 1, 2026).