COUNTY REPORT MO

Andrew County, Missouri

8 ZIP codes · Avg score 64/100 · Grade C · Updated

ZipCheckup grade for Andrew County: C.

A mixed picture - some signals here are worth your attention.

Covering 8 ZIP codes, Andrew County falls in the average tier for tap water safety - violations appear in a meaningful share of areas, and the data suggests quality depends heavily on which specific part of the county a household sits in.

How Andrew County Compares

Andrew County64/100
Missouri avg72/100
National avg73/100

How Andrew County Compares

C
County Grade
64/100
Avg Safety Score
8
ZIP Codes
6
Water Systems

Andrew County scores 8 points below the Missouri state average (72/100) and 9 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

C
County Grade
64
Avg Safety Score
8
ZIP Codes
Best ZIP: 64480 (67/100)
Lowest ZIP: 64485 (61/100)
$185K
Median Home Value
$2,300
Avg Remediation (125% of home value)

ZIP Code Risk Map

Water Quality Map: Andrew County, Missouri

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.8 (asthma 10.3%, diabetes 11.6%)

Estimated additional annual cost per homeowner: $1,108, driven primarily by flood

65.8% of homes built before 1978 (lead paint era)

Violation History (2023–2025)

→ Stable trend

EPA violation counts by year across Andrew County water systems. Health-based shown in red, total in blue.

2023
1 (1 health)
2024
1 (1 health)
2025
1 (1 health)

Peak year: 2023 with 1 violation. Past 5 years: 3 total (3 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.3% (national: 8.9%)
Diabetes 11.6% (national: 10.5%)
Obesity 36% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1965
Median Build Year
65.8%
Pre-1978 Housing
45/100
Infrastructure Stress Indicator
63%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,108

Flood $1,150/yr
Water / Lead $194/yr
Water Infrastructure $181/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

5,447 housing units in Andrew County

Pre-1940 17%
1940–1959 13%
1960–1979 24%
1980–1999 29%
2000+ 16%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Andrew County

$185K
Median Home Value
$2,300
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Andrew County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Andrew County residents

Asthma 10.3% (US avg: 8.9%)
Diabetes 11.6% (US avg: 11%)
Obesity 36% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Andrew County

6 community water systems serving Andrew County.

Systems with the most violations in Andrew County

4 water systems with recorded EPA violations.

All ZIP Codes in Andrew County

8 ZIP codes tracked in Andrew County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64480 Rea 67 C 0 $188K
2 64436 Cosby 66 C 1 $268K
3 64421 Amazonia 64 C 6 $90K
4 64427 Bolckow 64 C 9 $177K
5 64459 Helena 64 C 8 $185K
6 64485 Savannah 61 C 13 $189K
7 64449 Fillmore 2 $103K
8 64483 Rosendale 8 $185K

Recommended Buyer Guides for Andrew County

Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.

Overview

Andrew County in Missouri covers 8 tracked ZIP records with an average Home Safety Score of C (64/100) across 6 scored records.

7 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to Missouri Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Andrew County?
Andrew County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Andrew County?
Andrew County is served by 6 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Andrew County?
The primary environmental risk factor in Andrew County is flood. This contributes to an estimated additional annual cost of $1,108 per homeowner.
How old are homes in Andrew County?
The median home build year in Andrew County is 1965. 65.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Andrew County compare to Missouri?
Andrew County has an average Home Safety Score of 64/100 under model 4.0.0, which is below the Missouri state average of 72/100.

How to cite this page

APA ZipCheckup. (2026). Andrew County, MO: HSS 64/100; 13 Violations. https://zipcheckup.com/county/missouri/andrew/
BibTeX
@misc{zipcheckup-county-missouri-andrew,
  author = {{ZipCheckup}},
  title  = {{Andrew County, MO: HSS 64/100; 13 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/andrew/}
}

Page version: August 2026.

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