Tippecanoe County, Indiana
18 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-03
Although much of Tippecanoe County meets baseline standards, some of its 18 ZIP codes show violations that merit closer attention.
How Tippecanoe County Compares
How Tippecanoe County Compares
Tippecanoe County scores 5 points below the Indiana state average (60/100) and 13 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Tippecanoe County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11 (asthma 10.7%, diabetes 10%)
Estimated additional annual cost per homeowner: $978, driven primarily by flood
Infrastructure: 0.393% avg pipe failure probability, 40% of ZIPs at high risk
60.6% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Tippecanoe County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 6 violations. Past 5 years: 16 total (16 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: $978
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
81,488 housing units in Tippecanoe 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 Tippecanoe County
Remediation costs are relatively manageable for most homeowners in Tippecanoe 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 Tippecanoe 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 Tippecanoe County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Lafayette Water Works | 70,835 | 84 |
| 2 | Wildcat Highlands | 360 | 84 |
| 3 | Shadeland Mobile Home Park | 200 | 84 |
| 4 | Modernaire Trailer Court | 105 | 84 |
| 5 | Royal Oaks Estates Llc | 95 | 84 |
11 total water systems serve Tippecanoe County.
All ZIP Codes in Tippecanoe County
18 ZIP codes tracked in Tippecanoe County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 47996 | West Lafayette | 70 | B | 0 | — |
| 2 | 47907 | West Lafayette | 66 | C | 0 | — |
| 3 | 47901 | Lafayette | 65 | C | 14 (2 health) | $257K |
| 4 | 47903 | Lafayette | 65 | C | 14 (2 health) | — |
| 5 | 47904 | Lafayette | 65 | C | 14 (2 health) | $119K |
| 6 | 46923 | Delphi | 60 | C | 1 | $158K |
| 7 | 47902 | Lafayette | 60 | C | 14 (2 health) | — |
| 8 | 47906 | West Lafayette | 60 | C | 0 | $281K |
| 9 | 47909 | Lafayette | 60 | C | 14 (2 health) | $204K |
| 10 | 47930 | Clarks Hill | 59 | C | 6 | $189K |
| 11 | 47905 | Lafayette | 55 | C | 14 (2 health) | $216K |
| 12 | 47920 | Battle Ground | 51 | D | 4 (1 health) | $263K |
| 13 | 47941 | Dayton | 51 | D | 3 | $169K |
| 14 | 47924 | Buck Creek | 40 | D | 0 | — |
| 15 | 47962 | Montmorenci | 40 | D | 0 | — |
| 16 | 47981 | Romney | 40 | D | 0 | $173K |
| 17 | 47983 | Stockwell | 40 | D | 0 | $100K |
| 18 | 47992 | Westpoint | 40 | D | 0 | $204K |
Recommended Buyer Guides for Tippecanoe County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 60.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Tippecanoe County, Indiana
Overview
Tippecanoe County in Indiana covers 18 ZIP codes with an average Home Safety Score of C (55/100).
10 of 18 ZIP codes have recorded EPA violations. 13 health-based violations have been documented.
← Back to Indiana 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.