Sheboygan County, Wisconsin
15 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-06-03
Within Sheboygan County's 15 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Sheboygan County Compares
How Sheboygan County Compares
Sheboygan County scores 10 points above the Wisconsin state average (66/100) and 8 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Sheboygan County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13 (asthma 10.3%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $891, driven primarily by energy_code_gap
Infrastructure: 0.408% avg pipe failure probability, 50% of ZIPs at high risk
67.6% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Sheboygan County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 5 violations. Past 5 years: 7 total (7 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: $891
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
51,432 housing units in Sheboygan 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 Sheboygan County
Remediation costs are relatively manageable for most homeowners in Sheboygan 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 Sheboygan 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 Sheboygan County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Sheboygan Water Utilities | 49,931 | 20 |
| 2 | Sheboygan Falls Utilities | 8,165 | 19 |
| 3 | Lakeland University | 1,200 | 19 |
| 4 | Rocky Knoll Health Care Fac | 564 | 19 |
| 5 | Plymouth Utilities | 8,964 | 15 |
22 total water systems serve Sheboygan County.
All ZIP Codes in Sheboygan County
15 ZIP codes tracked in Sheboygan County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 53020 | Elkhart Lake | 83 | B | 0 | $323K |
| 2 | 53044 | Kohler | 83 | B | 0 | $369K |
| 3 | 53075 | Random Lake | 83 | B | 0 | $273K |
| 4 | 53093 | Waldo | 83 | B | 0 | $248K |
| 5 | 53001 | Adell | 82 | B | 1 (1 health) | $234K |
| 6 | 53023 | Glenbeulah | 82 | B | 3 (1 health) | $216K |
| 7 | 53085 | Sheboygan Falls | 81 | B | 8 (1 health) | $229K |
| 8 | 53082 | Sheboygan | 79 | B | 4 (1 health) | — |
| 9 | 53083 | Sheboygan | 79 | B | 4 (1 health) | $236K |
| 10 | 53073 | Plymouth | 76 | B | 7 (1 health) | $238K |
| 11 | 53081 | Sheboygan | 74 | B | 4 (1 health) | $170K |
| 12 | 53013 | Cedar Grove | 73 | B | 0 | $250K |
| 13 | 53070 | Oostburg | 69 | C | 0 | $265K |
| 14 | 53026 | Greenbush | 53 | D | 0 | — |
| 15 | 53031 | Hingham | 53 | D | 0 | — |
Recommended Buyer Guides for Sheboygan 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 — 67.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Sheboygan County, Wisconsin
Overview
Sheboygan County in Wisconsin covers 15 ZIP codes with an average Home Safety Score of B (76/100).
7 of 15 ZIP codes have recorded EPA violations. 7 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.