Stonewall Pwa
EPA ID: OK2006203 · 465 people served · 1 ZIP code
Water monitoring for Stonewall Pwa: clean, five years, 465 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 3 (2024) to 1 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Stonewall Pwa Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Stonewall Pwa serves a community with a median household income of $68,994 and an estimated 2,174 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
Stonewall Pwa'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 0% of homes in Pontotoc County, Oklahoma 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 Oklahoma
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
Stonewall Pwa (EPA ID: OK2006203) is a community water system in Oklahoma that serves approximately 465 people from groundwater sources.
This system serves ZIP code 74871 in Stonewall.
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
- 74871 — Stonewall
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Stonewall Pwa (OK2006203) on EPA.gov.
Frequently Asked Questions
Is Stonewall Pwa water safe to drink?
Based on EPA records, Stonewall Pwa has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Stonewall Pwa serve?
Stonewall Pwa serves approximately 465 people across 1 ZIP code in Oklahoma.
Where does Stonewall Pwa 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:
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.