Lago Vista Water System
EPA ID: TX0940029 · 54 people served · 1 ZIP code
Water monitoring for Lago Vista Water System: clean, five years, 54 residents.
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 4 (2022) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Lago Vista Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lago Vista Water System serves a community with a median household income of $70,148 and an estimated 10,008 residents across its service area.
Environmental Justice Note: 88% 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?
Lago Vista 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 2% of homes in Caldwell 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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 5 detections recorded.
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
Lago Vista Water System (EPA ID: TX0940029) is a community water system in Texas that serves approximately 54 people from groundwater sources.
This system serves ZIP code 78616 in Dale.
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
- 78616 — Dale
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lago Vista Water System (TX0940029) on EPA.gov.
Frequently Asked Questions
Is Lago Vista Water System water safe to drink?
Based on EPA records, Lago Vista Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Lago Vista Water System serve?
Lago Vista Water System serves approximately 54 people across 1 ZIP code in Texas.
Where does Lago Vista Water System get its water?
The primary water source is groundwater.