Public water system · TX0200543
ActiveDow Chemical Oyster Creek Plant
At a glance
Dow Chemical Oyster Creek Plant (PWSID TX0200543) is an active non-transient non-community water system in Brazoria County, Texas. It reports serving 300 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
20
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Dow Chemical Oyster Creek Plant compare with other water systems in Brazoria County?
By EPA's size categories, Dow Chemical Oyster Creek Plant is a very small system (500 people or fewer). Brazoria County has 309 active public water systems. Its population served is well below the county average of 1,277 people per system, and accounts for less than 0.1% of the 394,490 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 Dow Chemical Oyster Creek Plant is about 30% below 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 Dow Chemical Oyster Creek Plant?
EPA lists Dow Chemical Oyster Creek Plant 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. 250 of the 309 active systems in Brazoria County (81%) are also privately owned.
Does Dow Chemical Oyster Creek Plant have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2013. The violations listed here began between November 2009 and October 2013. By type: 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2013-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-04-07 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2009-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-11-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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.
Dow Chemical Oyster Creek Plant: frequently asked questions
Who runs Dow Chemical Oyster Creek Plant?
Dow Chemical Oyster Creek Plant (PWSID TX0200543) is a non-transient non-community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Dow Chemical Oyster Creek Plant serve?
Dow Chemical Oyster Creek Plant reports serving 300 people through 20 service connections in Brazoria County, Texas.
Where does Dow Chemical Oyster Creek Plant 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 Dow Chemical Oyster Creek Plant have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2013. 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 Dow Chemical Oyster Creek Plant'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 4 violations for this system; none is health-based, and the most recent began in October 2013. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Dow Chemical Oyster Creek Plant's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dow Chemical Oyster Creek Plant 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 Brazoria County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Pearland | Brazoria | 125,828 | Community | Surface water |
| City of Lake Jackson | Brazoria | 27,314 | Community | Purchased surface water |
| City of Alvin | Brazoria | 26,244 | Community | Groundwater |
| City of Angleton | Brazoria | 19,429 | Community | Purchased surface water |
| City of Clute | Brazoria | 10,604 | Community | Purchased surface water |
| City of Freeport | Brazoria | 10,594 | 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, “Dow Chemical Oyster Creek Plant, PWSID TX0200543, Texas”, https://aquacensus.com/water-systems/texas/dow-chemical-oyster-creek-plant-tx0200543 (data as of October 1, 2026).