Mccurtain Company Rwd #9
EPA ID: OK3004820 · 999 people served · 1 ZIP code
Throughout five consecutive years of federal water monitoring, Mccurtain Company Rwd #9 recorded zero violations — solid performance for a utility serving 999 people.
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 10 (2024) to 5 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Mccurtain Company Rwd #9 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mccurtain Company Rwd #9 serves a community with a median household income of $53,454 and an estimated 3,368 residents across its service area. Approximately 54% 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?
Mccurtain Company Rwd #9's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 2% of homes in McCurtain 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
Mccurtain Company Rwd #9 (EPA ID: OK3004820) is a community water system in Oklahoma that serves approximately 999 people from surface water sources.
This system serves ZIP code 74764 in Valliant.
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
- 74764 — Valliant
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mccurtain Company Rwd #9 (OK3004820) on EPA.gov.
Frequently Asked Questions
Is Mccurtain Company Rwd #9 water safe to drink?
Based on EPA records, Mccurtain Company Rwd #9 has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Mccurtain Company Rwd #9 serve?
Mccurtain Company Rwd #9 serves approximately 999 people across 1 ZIP code in Oklahoma.
Where does Mccurtain Company Rwd #9 get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →