Kaw City Water Authority
EPA ID: OK2003605 · 372 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Kaw City Water Authority — a clean record across every reporting cycle for a utility serving approximately 372 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 (2021) to 2 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Kaw City Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Kaw City Water Authority serves a community with a median household income of $61,328 and an estimated 599 residents across its service area. Approximately 46% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 64% 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?
Kaw City Water Authority'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 Kay 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
System Overview
Kaw City Water Authority (EPA ID: OK2003605) is a community water system in Oklahoma that serves approximately 372 people from groundwater sources.
This system serves ZIP code 74641 in Kaw City.
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
- 74641 — Kaw City
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Kaw City Water Authority (OK2003605) on EPA.gov.
Frequently Asked Questions
Is Kaw City Water Authority water safe to drink?
Based on EPA records, Kaw City Water Authority has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Kaw City Water Authority serve?
Kaw City Water Authority serves approximately 372 people across 1 ZIP code in Oklahoma.
Where does Kaw City Water Authority 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.