Chaffee Public Water System
EPA ID: MO4010154 · 3,054 people served · 3 ZIP codes
Chaffee Public Water System's current EPA file includes 41 unresolved violations — every outstanding finding is documented in federal records for this utility, which supplies water to approximately 3,054 residents across its service territory.
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 2 (2021) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Chaffee Public Water System Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Chaffee Public Water System serves a community with a median household income of $66,800 and an estimated 14,063 residents across its service area. Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 40% 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?
Chaffee Public Water System'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 Cape Girardeau 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 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Chaffee Public Water System compares to EPA limits
What This Means For You
Arsenic at 11 mg/L exceeds the EPA maximum of 0.01 mg/L.
Lead and Copper Rule at 24 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 18 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 4 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. 2 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
Chaffee Public Water System (EPA ID: MO4010154) is a community water system in Missouri that serves approximately 3,054 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Average Home Safety Score: B (74/100)
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 |
|---|---|---|---|
| August 28, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| August 15, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| August 5, 2025 | Contaminant 0700 | Monitoring | Unresolved |
| July 31, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 3, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Resolved |
| May 31, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| May 18, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| May 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| March 27, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| March 5, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| February 26, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| January 30, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| December 28, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| December 14, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| November 8, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Unresolved |
| October 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| September 26, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 24 | No |
| Consumer Confidence Report Rule | Reporting Failure | 18 | No |
| Arsenic | Inorganic | 11 | No |
| Surface Water Treatment Rule | Treatment Failure | 4 | No |
| Contaminant 0700 | Other Violation | 4 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 63740 | 0.00435 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate 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 Chaffee Public Water System (MO4010154) on EPA.gov.
Frequently Asked Questions
Is Chaffee Public Water System water safe to drink?
Chaffee Public Water System has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Chaffee Public Water System serve?
Chaffee Public Water System serves approximately 3,054 people across 3 ZIP codes in Missouri.
Where does Chaffee Public Water System 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.
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
Chaffee Public Water System (EPA ID: MO4010154) — request the latest Consumer Confidence Report or ask about specific contaminants.