Allamakee County, Iowa
6 ZIP codes · Avg score 61/100 · Grade C · Updated 2026-06-03
Monitoring figures for Allamakee County indicate average water quality overall — some ZIP codes among the 6 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Allamakee County Compares
How Allamakee County Compares
Allamakee County scores 2 points above the Iowa state average (59/100) and 7 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Allamakee County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 9.8%, diabetes 12.7%)
Estimated additional annual cost per homeowner: $670, driven primarily by energy_code_gap
Infrastructure: 0.425% avg pipe failure probability, 50% of ZIPs at high risk
61.8% 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: $670
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,616 housing units in Allamakee 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 Allamakee County
Remediation costs are relatively manageable for most homeowners in Allamakee 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 Allamakee 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 Allamakee County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Postville Water Department | 2,513 | 5 |
| 2 | WAUKON WATER DEPARTMENT | 3,827 | 4 |
| 3 | Breezy Pointe Subdivision | 130 | 4 |
| 4 | Walters Mobile Home Park | 25 | 4 |
| 5 | NEW ALBIN WATER SUPPLY | 432 | 0 |
6 total water systems serve Allamakee County.
All ZIP Codes in Allamakee County
6 ZIP codes tracked in Allamakee County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 52151 | Lansing | 70 | B | 0 | $176K |
| 2 | 52160 | New Albin | 66 | C | 0 | $197K |
| 3 | 52172 | Waukon | 65 | C | 4 | $158K |
| 4 | 52162 | Postville | 58 | C | 1 | $129K |
| 5 | 52140 | Dorchester | 53 | D | 0 | $217K |
| 6 | 52170 | Waterville | 53 | D | 0 | $226K |
Recommended Buyer Guides for Allamakee 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 — 61.8% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Allamakee County, Iowa
Overview
Allamakee County in Iowa covers 6 ZIP codes with an average Home Safety Score of C (61/100).
2 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.