Clay County Pwsd 9
EPA ID: MO1024150 · 2,465 people served · 7 ZIP codes
The five-year EPA compliance file for Clay County Pwsd 9 contains 1 violation, each documented and subsequently closed — the utility now operates in full compliance and continues to supply approximately 2,465 residents with water meeting current federal standards, including both health-based and monitoring requirements.
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 1 (2023) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Clay County Pwsd 9 Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Clay County Pwsd 9 serves a community with a median household income of $101,193 and an estimated 74,393 residents across its service area.
🌊 Where Does Your Water Come From?
Clay County Pwsd 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 1% of homes in Clay County, Missouri rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 63th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Clay County Pwsd 9 compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 8 detections recorded.
Comparable Water Systems
Similar-sized systems in Missouri
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
Clay County Pwsd 9 (EPA ID: MO1024150) is a community water system in Missouri that serves approximately 2,465 people from surface water sources.
This system provides water to 7 ZIP codes across 6 communities.
Average Home Safety Score: C (66/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| December 30, 2023 | Stage 1 DBP Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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 MO or modeled from parcel and building-footprint data.
- 64048 — Holt
- 64060 — Kearney
- 64068 — Liberty
- 64089 — Smithville
- 64165 — Kansas City
- 64166 — Kansas City
- 64492 — Trimble
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Clay County Pwsd 9 (MO1024150) on EPA.gov.
Frequently Asked Questions
Is Clay County Pwsd 9 water safe to drink?
Clay County Pwsd 9 has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Clay County Pwsd 9 serve?
Clay County Pwsd 9 serves approximately 2,465 people across 7 ZIP codes in Missouri.
Where does Clay County Pwsd 9 get its water?
The primary water source is surface water.
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.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Clay County Pwsd 9 (EPA ID: MO1024150) — request the latest Consumer Confidence Report or ask about specific contaminants.