Worth County, Missouri
5 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Compared to state averages, Worth County scores well — its 5 ZIP codes sit above the baseline for tap water quality.
How Worth County Compares
How Worth County Compares
Worth County scores 1 points above the Missouri state average (69/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Worth County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.6 (asthma 10.6%, diabetes 15.5%)
Estimated additional annual cost per homeowner: $484, driven primarily by water_lead
Infrastructure: 0.454% avg pipe failure probability, 80% of ZIPs at high risk
80.2% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $484
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,124 housing units in Worth County
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 Worth County
Remediation costs are relatively manageable for most homeowners in Worth 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 Worth County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Worth County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | WORTH COUNTY PWSD 1 | 1,497 | 7 |
| 2 | Grant City Public Water System | 850 | 4 |
| 3 | Nodaway County Pwsd 1 | 6,428 | 1 |
| 4 | Sheridan Public Water System | 235 | 1 |
All ZIP Codes in Worth County
5 ZIP codes tracked in Worth County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 64499 | Worth | 82 | B | 2 | $96K |
| 2 | 64486 | Sheridan | 81 | B | 1 | $56K |
| 3 | 64456 | Grant City | 80 | B | 4 | $91K |
| 4 | 64420 | Allendale | 53 | D | 0 | $208K |
| 5 | 64441 | Denver | 53 | D | 0 | $112K |
Recommended Buyer Guides for Worth County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 80.2% of homes built before 1978
Deep Dive Reports
Detailed analysis for Worth County, Missouri
Overview
Worth County in Missouri covers 5 ZIP codes with an average Home Safety Score of B (70/100).
3 of 5 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Missouri water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.