Pottawattamie County, Iowa
18 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-04
For most households in Pottawattamie County, the 18 tracked ZIP codes show adequate but uneven water quality.
How Pottawattamie County Compares
How Pottawattamie County Compares
Pottawattamie County scores 1 points above the Iowa state average (59/100) and 8 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Pottawattamie County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 10.4%, diabetes 11.7%)
Estimated additional annual cost per homeowner: $1,131, driven primarily by flood
Infrastructure: 0.45% avg pipe failure probability, 71% of ZIPs at high risk
73.3% 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: $1,131
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
43,096 housing units in Pottawattamie 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 Pottawattamie County
Remediation costs are relatively manageable for most homeowners in Pottawattamie 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 Pottawattamie 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 Pottawattamie County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Minden Water Supply | 598 | 11 |
| 2 | Neola Light & Water | 906 | 9 |
| 3 | Council Bluffs Water Works | 64,447 | 8 |
| 4 | Urban Bluffs - North | 1,558 | 8 |
| 5 | Country Estates Mobile Home Park | 35 | 7 |
19 total water systems serve Pottawattamie County.
All ZIP Codes in Pottawattamie County
18 ZIP codes tracked in Pottawattamie County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 51502 | Council Bluffs | 66 | C | 2 | — |
| 2 | 51536 | Hancock | 66 | C | 0 | $153K |
| 3 | 51549 | Macedonia | 66 | C | 0 | $149K |
| 4 | 51593 | Harlan | 66 | C | 0 | — |
| 5 | 51525 | Carson | 65 | C | 2 | $193K |
| 6 | 51534 | Glenwood | 65 | C | 1 | $242K |
| 7 | 51553 | Minden | 65 | C | 2 | $207K |
| 8 | 51560 | Oakland | 65 | C | 1 | $160K |
| 9 | 51575 | Treynor | 63 | C | 3 | $279K |
| 10 | 51521 | Avoca | 61 | C | 2 | $173K |
| 11 | 51510 | Carter Lake | 59 | C | 6 | $161K |
| 12 | 51559 | Neola | 59 | C | 9 | $191K |
| 13 | 51526 | Crescent | 58 | C | 2 | $332K |
| 14 | 51503 | Council Bluffs | 56 | C | 2 | $253K |
| 15 | 51577 | Walnut | 55 | C | 0 | $113K |
| 16 | 51576 | Underwood | 53 | D | 0 | $292K |
| 17 | 51501 | Council Bluffs | 51 | D | 2 | $140K |
| 18 | 51548 | Mc Clelland | 40 | D | 0 | $219K |
Recommended Buyer Guides for Pottawattamie County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 73.3% 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 Pottawattamie County, Iowa
Overview
Pottawattamie County in Iowa covers 18 ZIP codes with an average Home Safety Score of C (60/100).
12 of 18 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.