Coronado Shores Water System
EPA ID: TX0230005 · 85 people served · 1 ZIP code
Although compliance varies widely among water utilities nationally, Coronado Shores Water System stands out with zero EPA violations over five consecutive monitoring years, delivering safe tap water to 85 residents and showing no enforcement activity across the entire reporting span.
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 Coronado Shores Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Coronado Shores Water System 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?
Coronado Shores Water System's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
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
Coronado Shores Water System (EPA ID: TX0230005) is a community water system in Texas that serves approximately 85 people from groundwater 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 Coronado Shores Water System (TX0230005) on EPA.gov.
Frequently Asked Questions
Is Coronado Shores Water System water safe to drink?
Based on EPA records, Coronado Shores Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Coronado Shores Water System serve?
Coronado Shores Water System serves approximately 85 people across 1 ZIP code in Texas.
Where does Coronado Shores Water System get its water?
The primary water source is groundwater.