ZipCheckup grade for 63673: B.

This ZIP has a few items worth a quick check.

Your top priority: review your flood insurance coverage. Check your ZIP → FloodSmart

Water Quality Report
B 82

Saint Mary, MO (63673): 3 Violations Recorded for Mapped Water Systems - 82/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Perry County Pwsd 1)

NFIP Claim History

EPA records for the water systems mapped to 63673 in Saint Mary, MO contain 3 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 82/100
Water Quality Concerns 3 non-health-based violation records in EPA data
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2024-12-31
NFIP Claim History Claim records 198 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 3 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 198 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Contaminant Summary
Violations on record (not health-based)
3 violations
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 Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 82 / 100
Home Safety Score higher than 64% of ZIP codes nationwide
2
Water Systems
2,023
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
Zone 2
County Radon Potential · Moderate
$217K
Median Home Value34% above state median ($162K)

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 63673. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Share Your Area Home Safety Score
Share on X Share on Facebook

Tip: You can also screenshot the card above to share it as an image.

See incorrect data? Let us know

Score Breakdown

Overall Home Safety Score: 82/100

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
94/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
97/100
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) MODERATE

Your Water System

ZIP code 63673 in Saint Mary, Missouri is mapped to the water system Perry County Pwsd 1 (EPA ID: MO4024455). This system provides water to approximately 2,023 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Perry County Pwsd 1 MO4024455 2,023 Groundwater
Perry County Pwsd 2 MO4024456 750 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 Perry County Pwsd 1 (MO4024455) 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 →
Environmental Hazards (11) HIGH
Home & Infrastructure (6) OK
Cost & Community (8) 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 Saint Mary

Based on local data for ZIP 63673, 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 Saint Mary has 198 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 63673 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 Saint Mary 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 63673 safe to drink?

EPA SDWIS records 3 violations since 2021 across the water systems mapped to ZIP 63673 (primary system: Perry 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 63673's water come from?

The recorded water source for Perry County Pwsd 1, a system mapped to ZIP code 63673, is Groundwater. This system serves approximately 2,023 people.

How does Saint Mary water compare to the national average?

Saint Mary's Home Safety Score ranks better than 64% of U.S. ZIP codes, and at or above 78% within Missouri.

How can I get my water tested in Saint Mary?

If Perry 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.

What is the radon risk for 63673?

63673 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Ste. Genevieve County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

What does the NFIP claim history show for ZIP 63673?

FEMA records contain 198 flood insurance claims filed in ZIP code 63673; the recorded rated-zone value (the most frequent one if there are several claims) is A21, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Saint Mary, MO (63673): 3 Violations Recorded for Mapped Water Systems - 82/100. https://zipcheckup.com/report/63673/
BibTeX 
@misc{zipcheckup-report-63673,
  author = {{ZipCheckup}},
  title  = {{Saint Mary, MO (63673): 3 Violations Recorded for Mapped Water Systems - 82/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/63673/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 63673

ZIP Code City, State Distance Grade Violations
62259 Menard, IL 9.2 mi N/A 0
63775 Perryville, MO 9.8 mi B 12
62233 Chester, IL 10.4 mi B 2
63670 Sainte Genevieve, MO 11.1 mi B 9
63776 Mc Bride, MO 11.3 mi N/A 0
62241 Ellis Grove, IL 12.6 mi N/A 0
62261 Modoc, IL 15.2 mi N/A 0
62297 Walsh, IL 15.3 mi N/A 0
63746 Farrar, MO 17.7 mi N/A 0
62242 Evansville, IL 18.3 mi B 2

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 15/17 risk factors Data sources →
Get alerts for 63673