Public water system · TX0200232
ActiveDow Chemical Company Plant B
At a glance
Dow Chemical Company Plant B (PWSID TX0200232) is an active non-transient non-community water system in Brazoria County, Texas. It reports serving 3,000 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in December 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,000
Service connections
1
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Dow Chemical Company Plant B compare with other water systems in Brazoria County?
By EPA's size categories, Dow Chemical Company Plant B is a small system (501 to 3,300 people). Brazoria County has 309 active public water systems. Its population served is about 135% above the county average of 1,277 people per system, and accounts for 0.8% 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 Company Plant B is about 7 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.
Who owns and regulates Dow Chemical Company Plant B?
EPA lists Dow Chemical Company Plant B 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 Company Plant B have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in December 2005. The violations listed here began between July 1992 and December 2005. By type: 2 contaminant level above the legal limit, 2 public notice, recordkeeping or other, 2 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (3 of them). EPA lists 4 as archived and 3 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2005-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Trichloroethylenecode 2984 | Yes | Resolved |
| 1993-12-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 1993-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 1993-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1993-07-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 7 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 Company Plant B: frequently asked questions
Who runs Dow Chemical Company Plant B?
Dow Chemical Company Plant B (PWSID TX0200232) 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 Company Plant B serve?
Dow Chemical Company Plant B reports serving 3,000 people through 1 service connection in Brazoria County, Texas.
Where does Dow Chemical Company Plant B get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Dow Chemical Company Plant B have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in December 2005. 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 Company Plant B'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 7 violations for this system; 3 are health-based, and the most recent began in December 2005. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Dow Chemical Company Plant B's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dow Chemical Company Plant B 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 Company Plant B, PWSID TX0200232, Texas”, https://aquacensus.com/water-systems/texas/dow-chemical-company-plant-b-tx0200232 (data as of October 1, 2026).