Old Hwy 90 Water Service
EPA ID: TX1630035 · 1,215 people served · 2 ZIP codes
Federal monitoring records confirm Old Hwy 90 Water Service 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 1,215 residents, with no gaps in the compliance record.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 3 (2021) to 2 (2023). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Old Hwy 90 Water Service Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Old Hwy 90 Water Service serves a community with a median household income of $88,369 and an estimated 11,805 residents across its service area.
💧 Where Does Your Water Come From?
Old Hwy 90 Water Service'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 Medina 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
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
Old Hwy 90 Water Service (EPA ID: TX1630035) is a community water system in Texas that serves approximately 1,215 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
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
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 Old Hwy 90 Water Service (TX1630035) on EPA.gov.
Frequently Asked Questions
Is Old Hwy 90 Water Service water safe to drink?
Based on EPA records, Old Hwy 90 Water Service has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Old Hwy 90 Water Service serve?
Old Hwy 90 Water Service serves approximately 1,215 people across 2 ZIP codes in Texas.
Where does Old Hwy 90 Water Service 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.