Ingham County, Michigan
41 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-06-03
Throughout Ingham County, the 41 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Ingham County Compares
How Ingham County Compares
Ingham County scores 3 points above the Michigan state average (74/100) and 9 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Ingham County, Michigan
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.2 (asthma 11.6%, diabetes 10.4%)
Estimated additional annual cost per homeowner: $1,176, driven primarily by ust_tanks
Infrastructure: 0.346% avg pipe failure probability, 17% of ZIPs at high risk
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Ingham County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 12 violations. Past 5 years: 21 total (21 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: $1,176
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Ingham County
Remediation costs are relatively manageable for most homeowners in Ingham 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 Ingham 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 Ingham County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Lansing Board of Water & Light | 166,000 | 87 |
| 2 | Charter Township of Delta | 21,856 | 69 |
| 3 | Lansing Township | 5,500 | 69 |
| 4 | Stonegate Mobile Home Community | 647 | 69 |
| 5 | Corewellhealth Gr Kalamazoo | 165 | 69 |
26 total water systems serve Ingham County.
All ZIP Codes in Ingham County
41 ZIP codes tracked in Ingham County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 49285 | Stockbridge | 83 | B | 0 | $208K |
| 2 | 48805 | Okemos | 82 | B | 3 | — |
| 3 | 48819 | Dansville | 82 | B | 2 (1 health) | $219K |
| 4 | 48901 | Lansing | 82 | B | 3 | — |
| 5 | 48909 | Lansing | 82 | B | 3 | — |
| 6 | 48913 | Lansing | 82 | B | 3 | — |
| 7 | 48915 | Lansing | 82 | B | 3 | $113K |
| 8 | 48916 | Lansing | 82 | B | 3 | — |
| 9 | 48918 | Lansing | 82 | B | 3 | — |
| 10 | 48919 | Lansing | 82 | B | 3 | — |
| 11 | 48921 | Lansing | 82 | B | 3 | — |
| 12 | 48922 | Lansing | 82 | B | 3 | — |
| 13 | 48924 | Lansing | 82 | B | 3 | — |
| 14 | 48929 | Lansing | 82 | B | 3 | — |
| 15 | 48930 | Lansing | 82 | B | 3 | — |
| 16 | 48933 | Lansing | 82 | B | 3 | $130K |
| 17 | 48937 | Lansing | 82 | B | 3 | — |
| 18 | 48950 | Lansing | 82 | B | 3 | — |
| 19 | 48951 | Lansing | 82 | B | 3 | — |
| 20 | 48956 | Lansing | 82 | B | 3 | — |
| 21 | 48980 | Lansing | 82 | B | 3 | — |
| 22 | 49264 | Onondaga | 82 | B | 2 (1 health) | $200K |
| 23 | 48842 | Holt | 81 | B | 2 | $212K |
| 24 | 48892 | Webberville | 80 | B | 6 | $196K |
| 25 | 49251 | Leslie | 80 | B | 5 (1 health) | $194K |
| 26 | 48824 | East Lansing | 78 | B | 11 (2 health) | — |
| 27 | 48825 | East Lansing | 78 | B | 11 (2 health) | — |
| 28 | 48895 | Williamston | 78 | B | 0 | $273K |
| 29 | 48826 | East Lansing | 77 | B | 11 (2 health) | — |
| 30 | 48906 | Lansing | 77 | B | 3 | $129K |
| 31 | 48911 | Lansing | 77 | B | 3 | $137K |
| 32 | 48917 | Lansing | 77 | B | 3 | $211K |
| 33 | 48854 | Mason | 74 | B | 5 | $241K |
| 34 | 48823 | East Lansing | 73 | B | 11 (2 health) | $261K |
| 35 | 48864 | Okemos | 72 | B | 3 | $358K |
| 36 | 48910 | Lansing | 72 | B | 3 | $118K |
| 37 | 48912 | Lansing | 72 | B | 3 | $140K |
| 38 | 48137 | Gregory | 63 | C | 0 | $281K |
| 39 | 49259 | Munith | 53 | D | 0 | $201K |
| 40 | 49272 | Pleasant Lake | 53 | D | 0 | $197K |
| 41 | 49277 | Rives Junction | 53 | D | 0 | $202K |
Recommended Buyer Guides for Ingham County
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Ingham County, Michigan
Overview
Ingham County in Michigan covers 41 ZIP codes with an average Home Safety Score of B (77/100).
35 of 41 ZIP codes have recorded EPA violations. 11 health-based violations have been documented.
← Back to Michigan 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.