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Public water system · TX0200027

Active

Dow Chemical Company Plant A

At a glance

Dow Chemical Company Plant A (PWSID TX0200027) is an active non-transient non-community water system in Brazoria County, Texas. It reports serving 1,200 people through 4 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,200

Service connections

4

Primary source

SWP

Purchased surface water

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDTX0200027
System typeNon-transient non-community water system
Activity statusActive
Population served1,200
Service connections4
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyBrazoria County

How does Dow Chemical Company Plant A compare with other water systems in Brazoria County?

By EPA's size categories, Dow Chemical Company Plant A is a small system (501 to 3,300 people). Brazoria County has 309 active public water systems. Its population served is roughly in line with the county average of 1,277 people per system, and accounts for 0.3% 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 A is about 179% above 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 A?

EPA lists Dow Chemical Company Plant A 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 A have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2025. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

The one violation in EPA's records. 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 A: frequently asked questions

Who runs Dow Chemical Company Plant A?

Dow Chemical Company Plant A (PWSID TX0200027) 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 A serve?

Dow Chemical Company Plant A reports serving 1,200 people through 4 service connections in Brazoria County, Texas.

Where does Dow Chemical Company Plant A 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 A have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in April 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 Dow Chemical Company Plant A'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 one violation for this system; it is not health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the TX state drinking water program.

Where can I find Dow Chemical Company Plant A's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Dow Chemical Company Plant A 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 systemCountyPopulation servedTypeSource
City of PearlandBrazoria125,828CommunitySurface water
City of Lake JacksonBrazoria27,314CommunityPurchased surface water
City of AlvinBrazoria26,244CommunityGroundwater
City of AngletonBrazoria19,429CommunityPurchased surface water
City of CluteBrazoria10,604CommunityPurchased surface water
City of FreeportBrazoria10,594CommunityPurchased 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 A, PWSID TX0200027, Texas”, https://aquacensus.com/water-systems/texas/dow-chemical-company-plant-a-tx0200027 (data as of October 1, 2026).