Dakota County, Nebraska
7 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for Dakota: C.
A mixed picture - some signals here are worth your attention.
Based on current EPA data, Dakota County's 7 ZIP codes reflect fair but mixed water safety.
How Dakota County Compares
How Dakota County Compares
Dakota County scores 7 points below the Nebraska state average (65/100) and 10 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Dakota County, Nebraska
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.2 (asthma 9.2%, diabetes 12.9%)
Estimated additional annual cost per homeowner: $1,309, driven primarily by flood
Infrastructure: 0.437% avg pipe failure probability, 43% of ZIPs at high risk
71% 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: $1,309
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,710 housing units in Dakota 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 Dakota County
Remediation costs are relatively manageable for most homeowners in Dakota 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 Dakota County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Dakota County
7 community water systems serving Dakota County.
- C
- C
- C
- D
- B
- C
Show all 7 water systems
- C
Systems with the most violations in Dakota County
1 water system with recorded EPA violations.
- C
All ZIP Codes in Dakota County
7 ZIP codes tracked in Dakota County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 68030 | Homer | 70 | B | 0 | $184K |
| 2 | 68743 | Jackson | 70 | B | 0 | $200K |
| 3 | 68741 | Hubbard | 66 | C | 0 | $209K |
| 4 | 68731 | Dakota City | 65 | C | 0 | $196K |
| 5 | 68776 | South Sioux City | 58 | C | 1 | $161K |
| 6 | 68071 | Winnebago | 40 | D | 0 | $84K |
| 7 | 68733 | Emerson | 40 | D | 0 | $126K |
Recommended Buyer Guides for Dakota County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 71% 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 Dakota County, Nebraska
Overview
Dakota County in Nebraska covers 7 ZIP codes with an average Home Safety Score of C (58/100).
1 of 7 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Nebraska 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.