Public water system · TX0360004
ActiveCotton Bayou Park
At a glance
Cotton Bayou Park (PWSID TX0360004) is an active community water system in Chambers County, Texas. It reports serving 270 people through 90 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
270
Service connections
90
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cotton Bayou Park compare with other water systems in Chambers County?
By EPA's size categories, Cotton Bayou Park is a very small system (500 people or fewer). Chambers County has 55 active public water systems. Its population served is well below the county average of 1,019 people per system, and accounts for 0.5% of the 56,029 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 Cotton Bayou Park 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 Cotton Bayou Park?
EPA lists Cotton Bayou Park 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. 38 of the 55 active systems in Chambers County (69%) are also privately owned.
Does Cotton Bayou Park have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2026. The violations listed here began between October 2024 and April 2026. By type: 6 public notice, recordkeeping or other, 3 monitoring and reporting, 1 contaminant level above the legal limit, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (6 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 |
|---|---|---|---|---|
| 2026-04-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-04-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-04-16 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-11-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-10-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2025-05-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Cotton Bayou Park: frequently asked questions
Who runs Cotton Bayou Park?
Cotton Bayou Park (PWSID TX0360004) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Cotton Bayou Park serve?
Cotton Bayou Park reports serving 270 people through 90 service connections in Chambers County, Texas.
Where does Cotton Bayou Park 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 Cotton Bayou Park have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are 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 Cotton Bayou Park'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, 2 are health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Cotton Bayou Park's water quality report?
As a community water system, Cotton Bayou Park 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 Chambers County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Mont Belvieu | Chambers | 12,864 | Community | Groundwater |
| Tbcd Winnie Stowell | Chambers | 8,397 | Community | Surface water |
| Gray Utility Service | Chambers | 8,004 | Community | Groundwater |
| Tbcd West Treatment Plant | Chambers | 7,695 | Community | Surface water |
| Cedar Port Navigation and Improvement Di | Chambers | 2,500 | Non-transient non-community | Purchased surface water |
| Chambers County MUD 1 | Chambers | 2,500 | Community | Purchased surface water |
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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, “Cotton Bayou Park, PWSID TX0360004, Texas”, https://aquacensus.com/water-systems/texas/cotton-bayou-park-tx0360004 (data as of October 1, 2026).