Scott County, Iowa
22 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03
The systems supplying Scott County's 22 ZIP codes vary in performance — most meet minimum standards, but violations in select areas are on record.
How Scott County Compares
How Scott County Compares
Scott County scores 3 points below the Iowa state average (59/100) and 12 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Scott County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13 (asthma 10.5%, diabetes 11%)
Estimated additional annual cost per homeowner: $1,833, driven primarily by flood
Infrastructure: 0.442% avg pipe failure probability, 74% of ZIPs at high risk
69.2% 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: $1,833
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
77,934 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 | Iowa-american Wtr Company-davenport | 147,720 | 114 |
| 2 | Hickory Hills Subdivision #2 | 181 | 91 |
| 3 | Iowa-american Water-dixon | 202 | 90 |
| 4 | Iowa American Water Donahue | 335 | 90 |
| 5 | Ponderosa Park Mhp | 320 | 90 |
34 total water systems serve Scott County.
All ZIP Codes in Scott County
22 ZIP codes tracked in Scott County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 52773 | Walcott | 70 | B | 1 | $201K |
| 2 | 52748 | Eldridge | 69 | C | 2 | $312K |
| 3 | 52726 | Blue Grass | 68 | C | 1 | $274K |
| 4 | 52745 | Dixon | 68 | C | 0 | $199K |
| 5 | 52746 | Donahue | 65 | C | 0 | $315K |
| 6 | 52768 | Princeton | 64 | C | 2 (1 health) | $276K |
| 7 | 52753 | Le Claire | 60 | C | 0 | $307K |
| 8 | 52805 | Davenport | 59 | C | 10 | — |
| 9 | 52808 | Davenport | 59 | C | 10 | — |
| 10 | 52809 | Davenport | 59 | C | 10 | — |
| 11 | 52728 | Buffalo | 57 | C | 3 | $118K |
| 12 | 52756 | Long Grove | 57 | C | 3 | $315K |
| 13 | 52765 | New Liberty | 55 | C | 0 | $228K |
| 14 | 52767 | Pleasant Valley | 55 | C | 0 | $379K |
| 15 | 52804 | Davenport | 54 | D | 10 | $148K |
| 16 | 52801 | Davenport | 49 | D | 10 | — |
| 17 | 52806 | Davenport | 49 | D | 10 | $188K |
| 18 | 52807 | Davenport | 49 | D | 10 | $324K |
| 19 | 52802 | Davenport | 44 | D | 10 | $84K |
| 20 | 52803 | Davenport | 44 | D | 10 | $158K |
| 21 | 52722 | Bettendorf | 43 | D | 17 | $301K |
| 22 | 52758 | Mc Causland | 40 | D | 0 | $185K |
Recommended Buyer Guides for Scott County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 69.2% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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, Iowa
Overview
Scott County in Iowa covers 22 ZIP codes with an average Home Safety Score of C (56/100).
16 of 22 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Iowa 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.