Cole County, Missouri
14 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Based on current EPA data, Cole County's 14 ZIP codes maintain an above-average drinking water safety record.
How Cole County Compares
How Cole County Compares
Cole County scores 9 points above the Missouri state average (69/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Cole County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.1 (asthma 10.2%, diabetes 11%)
Estimated additional annual cost per homeowner: $489, driven primarily by flood
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $489
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Cole County
Remediation costs are relatively manageable for most homeowners in Cole 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 Cole County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Cole County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Cole County Pwsd 1 | 16,548 | 2 |
| 2 | Cole County Pwsd 3 | 2,000 | 2 |
| 3 | Moniteau County Pwsd 2 | 1,400 | 2 |
| 4 | Centertown Public Water System | 278 | 2 |
| 5 | Sedalia Public Water System | 21,725 | 2 |
16 total water systems serve Cole County.
All ZIP Codes in Cole County
14 ZIP codes tracked in Cole County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 65074 | Russellville | 83 | B | 0 | $167K |
| 2 | 65103 | Jefferson City | 83 | B | 0 | — |
| 3 | 65104 | Jefferson City | 83 | B | 0 | — |
| 4 | 65106 | Jefferson City | 83 | B | 0 | — |
| 5 | 65107 | Jefferson City | 83 | B | 0 | — |
| 6 | 65108 | Jefferson City | 83 | B | 0 | — |
| 7 | 65110 | Jefferson City | 83 | B | 0 | — |
| 8 | 65111 | Jefferson City | 83 | B | 0 | — |
| 9 | 65302 | Sedalia | 82 | B | 2 | — |
| 10 | 65023 | Centertown | 81 | B | 2 | $211K |
| 11 | 65109 | Jefferson City | 73 | B | 0 | $205K |
| 12 | 65101 | Jefferson City | 68 | C | 0 | $235K |
| 13 | 65040 | Henley | 63 | C | 0 | $191K |
| 14 | 65053 | Lohman | 63 | C | 0 | $329K |
Recommended Buyer Guides for Cole County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- 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 Cole County, Missouri
Overview
Cole County in Missouri covers 14 ZIP codes with an average Home Safety Score of B (78/100).
2 of 14 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.