ZipCheckup grade for 63456: B.

This ZIP has a few items worth a quick check.

Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead

Water Quality Report
B 80

Monroe City, MO (63456): PFAS Detected in Mapped Water Systems - 80/100

EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Marion County Pwsd 1)

PFAS Detected

EPA records for the water systems mapped to 63456 in Monroe City, MO contain 9 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
B 80/100
Water Quality Concerns 9 non-health-based violation records in EPA data
Lead Risk Below action level 0.0029 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 2 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 9 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0029 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 2 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Violations on record (not health-based)
9 violations PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 80 / 100
Home Safety Score higher than 60% of ZIP codes nationwide
4
Water Systems
4,900
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.00286 mg/L
Reported Lead Result1.2× the national median for this measure
Zone 2
County Radon Potential · Moderate
$151K
Median Home ValueState median: $162K

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Score Breakdown

Overall Home Safety Score: 80/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
82/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
91/100
Indoor environment
50/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) HIGH

Your Water System

ZIP code 63456 in Monroe City, Missouri is mapped to the water system Marion County Pwsd 1 (EPA ID: MO2024377). This system provides water to approximately 4,900 people from surface water sources.

There are 4 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Marion County Pwsd 1 MO2024377 4,900 Surface water
Cannon Pwsd 1 MO2024500 6,482 Surface water
Monroe County Pwsd 2 MO2024402 6,700 Surface water
Shelby County Pwsd 1 MO2024572 3,300 Surface water

Other Water Quality Reports in Missouri

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Marion County Pwsd 1 (MO2024377) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 63456.

Detected compounds: PFBA.

Highest measured level: 0.0111 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) MODERATE

Possible home maintenance concerns - talk to a local expert.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider. We may receive compensation.

Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Monroe City

Based on local data for ZIP 63456, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Monroe City has 2 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

The median home in 63456 was built around 1971. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Monroe City is 1971; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1971 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 63456 safe to drink?

EPA SDWIS records 9 violations since 2021 across the water systems mapped to ZIP 63456 (primary system: Marion County Pwsd 1), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 63456's water come from?

The recorded water source for Marion County Pwsd 1, a system mapped to ZIP code 63456, is Surface water. This system serves approximately 4,900 people.

How does Monroe City water compare to the national average?

Monroe City's Home Safety Score ranks better than 60% of U.S. ZIP codes, and at or above 70% within Missouri.

How can I get my water tested in Monroe City?

If Marion County Pwsd 1 supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 63456 tap water?

The Lead and Copper Rule record selected for 63456 reports a 90th-percentile lead result of 0.00286 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 63456?

63456 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Marion County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 63456's water?

Yes, PFAS have been detected in samples from water systems mapped to 63456. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 63456?

FEMA records contain 2 flood insurance claims filed in ZIP code 63456; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Monroe City, MO (63456): PFAS Detected in Mapped Water Systems - 80/100. https://zipcheckup.com/report/63456/
BibTeX 
@misc{zipcheckup-report-63456,
  author = {{ZipCheckup}},
  title  = {{Monroe City, MO (63456): PFAS Detected in Mapped Water Systems - 80/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/63456/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 63456

ZIP Code City, State Distance Grade Violations
65283 Stoutsville, MO 8.7 mi B 8
63443 Hunnewell, MO 9.1 mi N/A 6
63439 Emden, MO 12.5 mi N/A 1
63463 Philadelphia, MO 12.6 mi N/A 1
63461 Palmyra, MO 13.7 mi N/A 7
63436 Center, MO 13.7 mi N/A 7
63462 Perry, MO 16.5 mi B 8
63468 Shelbina, MO 16.9 mi N/A 5
63459 New London, MO 17.9 mi N/A 9
63401 Hannibal, MO 18.4 mi N/A 12

Contaminants Detected in 63456

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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Coverage: 14/17 risk factors Data sources →
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