Benton County, Missouri
5 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Benton: B.
This ZIP looks solid, with a few items worth a quick check.
In recent assessments, Benton County's 5 ZIP codes record strong, consistent water safety outcomes.
How Benton County Compares
How Benton County Compares
Benton County scores 6 points above the Missouri state average (69/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Benton County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 17.1 (asthma 10.6%, diabetes 16.7%)
Estimated additional annual cost per homeowner: $760, driven primarily by flood
Infrastructure: 0.348% avg pipe failure probability
58.2% 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: $760
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
11,897 housing units in Benton 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 Benton County
Remediation costs are relatively manageable for most homeowners in Benton 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 Benton County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Benton County
8 community water systems serving Benton County.
- B
- B
- D
- B
- B
- B
Show all 8 water systems
- B
- B
10 total water systems serve Benton County.
Systems with the most violations in Benton County
2 water systems with recorded EPA violations.
- B
- B
All ZIP Codes in Benton County
5 ZIP codes tracked in Benton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 65325 | Cole Camp | 83 | B | 0 | $184K |
| 2 | 65355 | Warsaw | 83 | B | 1 | $173K |
| 3 | 65338 | Lincoln | 78 | B | 0 | $135K |
| 4 | 65335 | Ionia | 77 | B | 4 | — |
| 5 | 65345 | Mora | 53 | D | 0 | — |
Recommended Buyer Guides for Benton County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 58.2% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Benton County, Missouri
Overview
Benton County in Missouri covers 5 ZIP codes with an average Home Safety Score of B (75/100).
2 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.