Grand Oaks Municipal Utility District
EPA ID: TX1700757 · 2,013 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Grand Oaks Municipal Utility District (TX1700757): no drinking-water violations recorded since 2021. Grand Oaks Municipal Utility District's compliance file in EPA SDWIS lists no violations, whether health-based or monitoring and reporting, for a utility that supplies water to approximately 2,013 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Grand Oaks Municipal Utility District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Grand Oaks Municipal Utility District have a median household income of $101,270 and about 31,727 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Grand Oaks Municipal Utility District's water is classified in EPA records as a groundwater source. 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.
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
Grand Oaks Municipal Utility District (EPA ID: TX1700757) is a community water system in Texas that serves approximately 2,013 people from groundwater sources.
This system serves ZIP code 77355 in Magnolia.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 77355 - Magnolia
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Grand Oaks Municipal Utility District (TX1700757) on EPA.gov.
Frequently Asked Questions
Is Grand Oaks Municipal Utility District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Grand Oaks Municipal Utility District 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 Grand Oaks Municipal Utility District serve?
Grand Oaks Municipal Utility District serves approximately 2,013 people across 1 ZIP code in Texas.
Where does Grand Oaks Municipal Utility District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Grand Oaks Municipal Utility District Water Report, TX. https://zipcheckup.com/water-system/tx1700757/
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