Mackenzie Municipal Water Authority
EPA ID: TX0230004 · 126 people served · 1 ZIP code
Water monitoring history at Mackenzie Municipal Water Authority shows a clean slate — EPA tracking over the past five years turned up no violations, and 126 residents continue to receive fully compliant service.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Mackenzie Municipal Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mackenzie Municipal Water Authority serves a community with a median household income of $37,083 and an estimated 727 residents across its service area. Approximately 92% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Mackenzie Municipal Water Authority's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Briscoe County, Texas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Texas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Mackenzie Municipal Water Authority (EPA ID: TX0230004) is a community water system in Texas that serves approximately 126 people from surface water sources.
This system serves ZIP code 79257 in Silverton.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 79257 — Silverton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mackenzie Municipal Water Authority (TX0230004) on EPA.gov.
Frequently Asked Questions
Is Mackenzie Municipal Water Authority water safe to drink?
Based on EPA records, Mackenzie Municipal Water Authority has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Mackenzie Municipal Water Authority serve?
Mackenzie Municipal Water Authority serves approximately 126 people across 1 ZIP code in Texas.
Where does Mackenzie Municipal Water Authority get its water?
The primary water source is surface water.