Scott County, Missouri
11 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-06-03
Scott County earns a high water safety grade — 11 ZIP codes tracked, virtually all compliant.
How Scott County Compares
How Scott County Compares
Scott 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: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Scott County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15 (asthma 11%, diabetes 13.4%)
Estimated additional annual cost per homeowner: $1,151, driven primarily by flood
Infrastructure: 0.425% avg pipe failure probability, 55% of ZIPs at high risk
68.6% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Scott County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 7 violations. Past 5 years: 20 total (20 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,151
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
16,588 housing units in Scott 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 Scott County
Remediation costs are relatively manageable for most homeowners in Scott 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 Scott 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 Scott County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Scott County Pwsd 4 | 3,150 | 113 |
| 2 | Benton Public Water System | 885 | 64 |
| 3 | New Hamburg South End | 72 | 64 |
| 4 | New Hamburg Central | 45 | 64 |
| 5 | Blodgett Public Water System | 300 | 23 |
23 total water systems serve Scott County.
All ZIP Codes in Scott County
11 ZIP codes tracked in Scott County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 63758 | Kelso | 96 | A | 0 | $190K |
| 2 | 63771 | Oran | 93 | A | 14 (2 health) | $122K |
| 3 | 63736 | Benton | 91 | A | 64 (1 health) | $169K |
| 4 | 63823 | Bertrand | 90 | A | 17 (4 health) | $108K |
| 5 | 63767 | Morley | 89 | A | 14 | $72K |
| 6 | 63824 | Blodgett | 86 | A | 23 (6 health) | — |
| 7 | 63784 | Vanduser | 85 | A | 12 | $64K |
| 8 | 63780 | Scott City | 81 | B | 3 | $158K |
| 9 | 63801 | Sikeston | 80 | B | 1 | $150K |
| 10 | 63774 | Perkins | 66 | C | 0 | $66K |
| 11 | 63742 | Commerce | 60 | C | 0 | $81K |
Recommended Buyer Guides for Scott County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 68.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Scott County, Missouri
Overview
Scott County in Missouri covers 11 ZIP codes with an average Home Safety Score of B (83/100).
8 of 11 ZIP codes have recorded EPA violations. 13 health-based violations have been documented.
← 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.