Cass County Pwsd 11
EPA ID: MO1021082 · 1,948 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Cass County Pwsd 11 (MO1021082): 1 EPA violation in the last five years. Even though Cass County Pwsd 11 accumulated 1 violation over five years, all have been formally resolved - the provider currently meets EPA standards for 1,948 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Cass County Pwsd 11 Source: EPA SDWIS service area boundaries.
Service area boundary - Grade C
Service Area Demographics
The Cass County Pwsd 11 serves a community with a median household income of $76,907 and an estimated 21,595 residents across its service area. Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Cass County Pwsd 11'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.
Infrastructure Risk
Detected Contaminants
How Cass County Pwsd 11 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. 1 detection 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
Cass County Pwsd 11 (EPA ID: MO1021082) is a community water system in Missouri that serves approximately 1,948 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
ZIP-Area Home Safety Context: C (63/100)
This is the average Home Safety Score for 3 of 4 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| December 30, 2023 | Stage 1 DBP Rule | Non-health-based | 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 evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00135 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cass County Pwsd 11 (MO1021082) on EPA.gov.
Frequently Asked Questions
Is Cass County Pwsd 11 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Cass County Pwsd 11; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Cass County Pwsd 11 serve?
Cass County Pwsd 11 serves approximately 1,948 people across 4 ZIP codes in Missouri.
Where does Cass County Pwsd 11 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Cass County Pwsd 11 (MO): 1 EPA Violation. https://zipcheckup.com/water-system/mo1021082/
@misc{zipcheckup-water-system-mo1021082,
author = {{ZipCheckup}},
title = {{Cass County Pwsd 11 (MO): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mo1021082/}
}
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
Cass County Pwsd 11 (EPA ID: MO1021082) - request the latest Consumer Confidence Report or ask about specific contaminants.