COUNTY REPORT MO

Grundy County, Missouri

4 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-07-19

ZipCheckup grade for Grundy: B.

This ZIP looks solid, with a few items worth a quick check.

Grundy County - 4 ZIP codes, above-average safety grade.

How Grundy County Compares

Grundy County83/100
Missouri avg69/100
National avg68/100

How Grundy County Compares

B
County Grade
83/100
Avg Safety Score
4
ZIP Codes
11
Water Systems

Grundy County scores 14 points above the Missouri state average (69/100) and 15 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-07-19

B
County Grade
83
Avg Safety Score
4
ZIP Codes
Best ZIP: 64641 (83/100)
Lowest ZIP: 64679 (82/100)
$115K
Median Home Value
$850
Avg Remediation (74% of home value)

Key Risk Factors

Health risk index: 15.9 (asthma 10.8%, diabetes 14.3%)

Estimated additional annual cost per homeowner: $1,095, driven primarily by water_lead

Infrastructure: 0.478% avg pipe failure probability, 100% of ZIPs at high risk

74.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 14.3% (national: 10.5%)
Obesity 39% (national: 32.4%)

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

Infrastructure Overview

1959
Median Build Year
74.8%
Pre-1978 Housing
48%
Pipe Failure Probability
100%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,095

Water / Lead $563/yr
Energy Code Gap $270/yr
Water Infrastructure $213/yr

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

Housing Age Distribution

4,822 housing units in Grundy County

Pre-1940 24%
1940–1959 21%
1960–1979 30%
1980–1999 14%
2000+ 11%

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 Grundy County

$115K
Median Home Value
$850
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Grundy 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 Grundy County residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 14.3% (US avg: 11%)
Obesity 39% (US avg: 32.4%)

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

Water systems serving Grundy County

8 community water systems serving Grundy County.

Show all 8 water systems

11 total water systems serve Grundy County.

Systems with the most violations in Grundy County

3 water systems with recorded EPA violations.

All ZIP Codes in Grundy County

4 ZIP codes tracked in Grundy County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64641 Galt 83 B 1 $122K
2 64652 Laredo 83 B 0 $166K
3 64683 Trenton 83 B 1 $107K
4 64679 Spickard 82 B 2 $108K

Recommended Buyer Guides for Grundy County

Independent picks. EPA-grounded. Matched here.

Overview

Grundy County in Missouri covers 4 ZIP codes with an average Home Safety Score of B (83/100).

3 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Missouri water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Grundy County?
Grundy County receives a grade of B, indicating generally safe tap water across its 4 ZIP codes.
How many water systems serve Grundy County?
Grundy County is served by 11 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Grundy County?
The primary environmental risk factor in Grundy County is water_lead. This contributes to an estimated additional annual cost of $1,095 per homeowner.
How old are homes in Grundy County?
The median home build year in Grundy County is 1959. 74.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Grundy County compare to Missouri?
Grundy County has an average water safety score of 83/100, which is above the Missouri state average of 69/100.

How to cite this page

APA ZipCheckup. (2026). Grundy County, MO: 4 Violations - 83/100 (2026). https://zipcheckup.com/county/missouri/grundy/
BibTeX
@misc{zipcheckup-county-missouri-grundy,
  author = {{ZipCheckup}},
  title  = {{Grundy County, MO: 4 Violations - 83/100 (2026)}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/grundy/}
}

Data as of July 2026.

Get safety alerts for Grundy, Missouri

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.