City of Mason

ZipCheckup's reading of EPA SDWIS for City of Mason (TX1600001): 3 unresolved EPA violations on record. Looking at the EPA enforcement file for City of Mason, 3 violations are listed as unresolved - those findings cover the utility's service area of approximately 2,228 people and remain open in the federal compliance system, awaiting formal corrective action documentation.

Data: EPA SDWIS

System Overview

City of Mason (EPA ID: TX1600001) is a community water system in Texas that serves approximately 2,228 people from groundwater sources.

This system serves ZIP code 76856 in Mason.

Violation History

Status breakdown for accepted records with record years 2021-2026: 13 resolved, 0 archived, 0 addressed, and 3 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

Gross Alpha Particle Activity (EPA limit: pCi/L)

Increased cancer risk from radioactive particles At-risk groups: long-term residents in areas with uranium or radium-rich geology, people on private wells in western US.

Removal methods: reverse osmosis, ion exchange (anion exchange for radium), lime softening. 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

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

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.

• 76856 - Mason

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Mason (TX1600001) on EPA.gov.

Frequently Asked Questions

Is City of Mason water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for City of Mason. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.

How many people does City of Mason serve?

City of Mason serves approximately 2,228 people across 1 ZIP code in Texas.

Where does City of Mason get its water?

The primary water source is groundwater.

@misc{zipcheckup-water-system-tx1600001,
  author = {{ZipCheckup}},
  title  = {{City of Mason (TX): 11 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/tx1600001/}
}