Outagamie County, Wisconsin
17 ZIP codes · Avg score 72/100 · Grade B · Updated 2026-06-04
Outagamie County's tap water quality puts it in the upper tier nationally; the 17 ZIP codes here record few health-based violations.
How Outagamie County Compares
How Outagamie County Compares
Outagamie County scores 6 points above the Wisconsin state average (66/100) and 4 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Outagamie County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.3 (asthma 10.6%, diabetes 10.3%)
Estimated additional annual cost per homeowner: $656, driven primarily by energy_code_gap
Infrastructure: 0.341% avg pipe failure probability, 24% of ZIPs at high risk
58.2% of homes built before 1978 (lead paint era)
Violation History (2023–2024)
→ Stable trendEPA violation counts by year across Outagamie County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 12 violations. Past 5 years: 13 total (13 health-based).
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: $656
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
69,052 housing units in Outagamie 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 Outagamie County
Remediation costs are relatively manageable for most homeowners in Outagamie 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 Outagamie 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 Outagamie County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Darboy Sanitary District 1 | 13,024 | 22 |
| 2 | Appleton Waterworks | 74,511 | 16 |
| 3 | Maplewood Village | 225 | 15 |
| 4 | North Lake Village | 44 | 15 |
| 5 | Greenville Utilities Vil of | 11,340 | 10 |
23 total water systems serve Outagamie County.
All ZIP Codes in Outagamie County
17 ZIP codes tracked in Outagamie County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 54106 | Black Creek | 83 | B | 0 | $255K |
| 2 | 54130 | Kaukauna | 83 | B | 1 | $242K |
| 3 | 54131 | Freedom | 83 | B | 1 | — |
| 4 | 54152 | Nichols | 83 | B | 0 | $147K |
| 5 | 54165 | Seymour | 83 | B | 0 | $232K |
| 6 | 54170 | Shiocton | 83 | B | 0 | $221K |
| 7 | 54113 | Combined Locks | 82 | B | 4 (1 health) | $236K |
| 8 | 54944 | Hortonville | 82 | B | 3 (1 health) | $318K |
| 9 | 54942 | Greenville | 73 | B | 1 | $337K |
| 10 | 54911 | Appleton | 67 | C | 3 | $199K |
| 11 | 54913 | Appleton | 67 | C | 3 | $365K |
| 12 | 54914 | Appleton | 67 | C | 3 | $210K |
| 13 | 54912 | Appleton | 62 | C | 3 | — |
| 14 | 54919 | Appleton | 62 | C | 3 | — |
| 15 | 54136 | Kimberly | 56 | C | 2 (1 health) | $193K |
| 16 | 54931 | Dale | 53 | D | 0 | $194K |
| 17 | 54140 | Little Chute | 49 | D | 2 (1 health) | $204K |
Recommended Buyer Guides for Outagamie County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 58.2% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Outagamie County, Wisconsin
Overview
Outagamie County in Wisconsin covers 17 ZIP codes with an average Home Safety Score of B (72/100).
12 of 17 ZIP codes have recorded EPA violations. 4 health-based violations have been documented.
← Back to Wisconsin 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.