Manville Water Supply Corporation

ZipCheckup's reading of EPA records for Manville Water Supply Corporation (TX2270033): 4 health-based violations recorded since 2021. Past violations at Manville Water Supply Corporation total 9, all marked resolved; it supplies 39,648 residents.

Data: EPA SDWIS

System Overview

Manville Water Supply Corporation (EPA ID: TX2270033) is a community water system in Texas that serves approximately 39,648 people from surface water sources.

This system provides water to 12 ZIP codes across 10 communities.

Violation History

Status breakdown for accepted records with record years 2021-2026: 9 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Health Risk Details

Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)

Increased risk of cancer

Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

12 of 12 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by TX or modeled from parcel and building-footprint data.

• 76574 - Taylor
• 76577 - Thorndale
• 76578 - Thrall
• 78615 - Coupland
• 78621 - Elgin
• 78634 - Hutto
• 78653 - Manor
• 78660 - Pflugerville
• 78664 - Round Rock
• 78724 - Austin
• 78725 - Austin
• 78754 - Austin

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Manville Water Supply Corporation (TX2270033) on EPA.gov.

Frequently Asked Questions

Is Manville Water Supply Corporation water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Manville Water Supply Corporation; its 9 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Manville Water Supply Corporation serve?

Manville Water Supply Corporation serves approximately 39,648 people across 12 ZIP codes in Texas.

Where does Manville Water Supply Corporation get its water?

The primary water source is surface water.

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  author = {{ZipCheckup}},
  title  = {{Manville Water Supply Corporation (TX): 4 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/tx2270033/}
}