Mary Francis Subdivision
EPA ID: TX1010100 · 1,785 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Mary Francis Subdivision (TX1010100): no EPA violations recorded in the last five years. Although compliance varies widely among water utilities nationally, Mary Francis Subdivision stands out with zero EPA violations over five consecutive monitoring years, delivering safe tap water to 1,785 residents and showing no enforcement activity across the entire reporting span.
Data: EPA SDWIS
Service Area Map
Coverage area for Mary Francis Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mary Francis Subdivision serves a community with a median household income of $43,263 and an estimated 74,426 residents across its service area. Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 51% 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?
Mary Francis Subdivision'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 6 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
Mary Francis Subdivision (EPA ID: TX1010100) is a community water system in Texas that serves approximately 1,785 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mary Francis Subdivision (TX1010100) on EPA.gov.
Frequently Asked Questions
Is Mary Francis Subdivision water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Mary Francis Subdivision in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Mary Francis Subdivision serve?
Mary Francis Subdivision serves approximately 1,785 people across 2 ZIP codes in Texas.
Where does Mary Francis Subdivision get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mary Francis Subdivision Water Quality Report, TX. https://zipcheckup.com/water-system/tx1010100/
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