Water System Report MO

Lafayette County Pwsd 1

EPA ID: MO1024324 · 8,250 people served · 14 ZIP codes

Zero EPA violations over five years — Lafayette County Pwsd 1 ha kept tap water compliance clean for its full service population of 8,250.

Data: EPA SDWIS Last verified: 2026-04-02

B · 70
Avg Safety Score
8,250
People Served
14
ZIP Codes Served
0
Violations (5yr)
Groundwater
Water Source
0.00333 mg/L
Max Lead Level
Zone 2
Radon Risk · Moderate
0
Contaminants Flagged
$234K
Median Home Value in Service Area

Compliance Trajectory

Worsening · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 1 (2024) to 1 (2025). The pattern suggests growing compliance challenges.

Service Area Map

Coverage area for Lafayette County Pwsd 1 Source: EPA SDWIS service area boundaries.

Service area boundary — Grade B

Service Area Demographics

$84,388
Median Household Income
102,074
Service Area Population
20%
Disadvantaged Population
51th
Poverty Percentile
47th
Energy Burden Percentile
45%
Pre-1986 Housing

The Lafayette County Pwsd 1 serves a community with a median household income of $84,388 and an estimated 102,074 residents across its service area. Approximately 45% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Lafayette County Pwsd 1'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.

Moderate Risk
Source Contamination Risk
39th
Wastewater Discharge Proximity
34th
Superfund Site Proximity

About 1% of homes in Lafayette County, Missouri rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Infrastructure Risk

37 yr
Avg Pipe Age
Copper
Pipe Material
32 yr
Est. Remaining Life
Stable
Decay Status
Installed 54% of expected lifespan used End of life

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.

Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Comparable Water Systems

Similar-sized systems in Missouri

Franklin County Pwsd 3
8,250 people
C 3 violations
C 3 violations
C 0 violations
B 8 violations
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation PFAS Treatment
Flood Insurance $1,114
Radon Mitigation $743
PFAS Treatment $143
Total Estimated Cost $2,000

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$165
10 years
$330
20 years
$660

Compare: Estimated remediation cost is $2,000 (one-time) vs. $330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Lafayette County Pwsd 1 (EPA ID: MO1024324) is a community water system in Missouri that serves approximately 8,250 people from groundwater sources.

This system provides water to 14 ZIP codes across 14 communities.

Average Home Safety Score: B (70/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
64076 0.00333 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 Filter

Free 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 Lafayette County Pwsd 1 (MO1024324) on EPA.gov.

Frequently Asked Questions

Is Lafayette County Pwsd 1 water safe to drink?

Based on EPA records, Lafayette County Pwsd 1 has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Lafayette County Pwsd 1 serve?

Lafayette County Pwsd 1 serves approximately 8,250 people across 14 ZIP codes in Missouri.

Where does Lafayette County Pwsd 1 get its water?

The primary water source is groundwater.

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.

Samples collected
58

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 →

Understand PFAS health context and filtration →

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

3
Confirmed Lead
0
Galvanized — Replacement Required
0
Unknown Material
2,121
Confirmed Non-Lead

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2023-01-01 did not exceed the federal lead action level.
Population served: 8,250
Reported to Missouri

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.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Lafayette County Pwsd 1 safe to drink?
Lafayette County Pwsd 1 earns a B safety grade with 0 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
Should I use a water filter?
Lafayette County Pwsd 1 meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Lafayette County Pwsd 1 serve?
Lafayette County Pwsd 1 serves approximately 8,250 people with drinking water across 14 ZIP codes.
What is Lafayette County Pwsd 1's water source?
Lafayette County Pwsd 1 draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Lafayette County Pwsd 1's water?
The maximum detected lead level is 0.00333 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Lafayette County Pwsd 1's service area?
The Lafayette County Pwsd 1 service area has a median household income of $84,388. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Lafayette County Pwsd 1 get its water?
Lafayette County Pwsd 1'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. Based on available data, the source contamination risk is moderate.
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