Mill Creek Estates
EPA ID: TX0930054 · 608 people served · 1 ZIP code
Federal monitoring records confirm Mill Creek Estates has operated without any EPA violations for the full five-year window — covering every contaminant category and reporting cycle across a service area of approximately 608 residents, with no gaps in the compliance record.
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 (2023) to 3 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Mill Creek Estates Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mill Creek Estates serves a community with a median household income of $78,667 and an estimated 3,246 residents across its service area.
Environmental Justice Note: 83% 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?
Mill Creek Estates'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 Grimes County, Texas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
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
Mill Creek Estates (EPA ID: TX0930054) is a community water system in Texas that serves approximately 608 people from groundwater sources.
This system serves ZIP code 77363 in Plantersville.
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
- 77363 — Plantersville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mill Creek Estates (TX0930054) on EPA.gov.
Frequently Asked Questions
Is Mill Creek Estates water safe to drink?
Based on EPA records, Mill Creek Estates has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Mill Creek Estates serve?
Mill Creek Estates serves approximately 608 people across 1 ZIP code in Texas.
Where does Mill Creek Estates get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.