Mirando City Water Supply Corporation
EPA ID: TX2400025 · 460 people served · 1 ZIP code
Unlike fully compliant utilities, Mirando City Water Supply Corporation has 10 outstanding EPA violations for approximately 460 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 5 (2024) to 3 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Mirando City Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Mirando City Water Supply Corporation serves a community with a median household income of $118,750 and an estimated 252 residents across its service area. Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 90% 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?
Mirando City Water Supply Corporation'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 Webb 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
Detected Contaminants
How Mirando City Water Supply Corporation compares to EPA limits
What This Means For You
Barium at 7 mg/L exceeds the EPA maximum of 2 mg/L.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Mirando City Water Supply Corporation (EPA ID: TX2400025) is a community water system in Texas that serves approximately 460 people from groundwater sources.
This system serves ZIP code 78369 in Mirando City.
Average Home Safety Score: B (70/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Barium | Health-based | Unresolved |
| May 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| April 1, 2025 | Barium | Health-based | Unresolved |
| January 1, 2025 | Barium | Health-based | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Unresolved |
| October 1, 2024 | Barium | Health-based | Unresolved |
| July 2, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2024 | Barium | Health-based | Unresolved |
| April 6, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2024 | Barium | Health-based | Unresolved |
| January 1, 2024 | Barium | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Barium | Inorganic | 7 | Yes |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 78369 | 0.001 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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
- 78369 — Mirando City
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mirando City Water Supply Corporation (TX2400025) on EPA.gov.
Frequently Asked Questions
Is Mirando City Water Supply Corporation water safe to drink?
Mirando City Water Supply Corporation has recorded 8 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Mirando City Water Supply Corporation serve?
Mirando City Water Supply Corporation serves approximately 460 people across 1 ZIP code in Texas.
Where does Mirando City Water Supply Corporation get its water?
The primary water source is groundwater.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Mirando City Water Supply Corporation (EPA ID: TX2400025) — request the latest Consumer Confidence Report or ask about specific contaminants.