Kent County, Michigan
49 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Homeowners across Kent County's 49 ZIP codes live with water safety scores that generally beat state and national averages.
How Kent County Compares
How Kent County Compares
Kent County scores 0 points above the Michigan state average (74/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Kent 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%, diabetes 10.4%)
Estimated additional annual cost per homeowner: $955, driven primarily by flood
Infrastructure: 0.333% avg pipe failure probability, 15% of ZIPs at high risk
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Kent County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 35 violations. Past 5 years: 51 total (51 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $955
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 Kent County
Remediation costs are relatively manageable for most homeowners in Kent 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 Kent 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 Kent County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Cedar Springs | 3,520 | 19 |
| 2 | Oaks of Rockford | 860 | 19 |
| 3 | Wyoming | 72,125 | 18 |
| 4 | Ada Township | 7,068 | 16 |
| 5 | Grand Valley Estates | 288 | 16 |
51 total water systems serve Kent County.
All ZIP Codes in Kent County
49 ZIP codes tracked in Kent County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 49302 | Alto | 83 | B | 0 | $387K |
| 2 | 49315 | Byron Center | 83 | B | 0 | $358K |
| 3 | 49316 | Caledonia | 82 | B | 1 (1 health) | $339K |
| 4 | 49355 | Ada | 82 | B | 4 (1 health) | — |
| 5 | 49356 | Ada | 82 | B | 4 (1 health) | — |
| 6 | 49357 | Ada | 82 | B | 4 (1 health) | — |
| 7 | 49468 | Grandville | 82 | B | 2 | — |
| 8 | 49319 | Cedar Springs | 81 | B | 11 (2 health) | $248K |
| 9 | 49345 | Sparta | 81 | B | 4 | $261K |
| 10 | 49351 | Rockford | 80 | B | 4 | — |
| 11 | 49502 | Grand Rapids | 78 | B | 0 | — |
| 12 | 49505 | Grand Rapids | 78 | B | 0 | $228K |
| 13 | 49544 | Grand Rapids | 78 | B | 0 | $248K |
| 14 | 49301 | Ada | 77 | B | 4 (1 health) | $510K |
| 15 | 49306 | Belmont | 77 | B | 5 (1 health) | $341K |
| 16 | 49331 | Lowell | 77 | B | 3 | $294K |
| 17 | 49501 | Grand Rapids | 76 | B | 0 | — |
| 18 | 49510 | Grand Rapids | 76 | B | 0 | — |
| 19 | 49514 | Grand Rapids | 76 | B | 0 | — |
| 20 | 49515 | Grand Rapids | 76 | B | 0 | — |
| 21 | 49516 | Grand Rapids | 76 | B | 0 | — |
| 22 | 49518 | Grand Rapids | 76 | B | 0 | — |
| 23 | 49523 | Grand Rapids | 76 | B | 0 | — |
| 24 | 49528 | Grand Rapids | 76 | B | 0 | — |
| 25 | 49530 | Grand Rapids | 76 | B | 0 | — |
| 26 | 49550 | Grand Rapids | 76 | B | 0 | — |
| 27 | 49555 | Grand Rapids | 76 | B | 0 | — |
| 28 | 49560 | Grand Rapids | 76 | B | 0 | — |
| 29 | 49588 | Grand Rapids | 76 | B | 0 | — |
| 30 | 49599 | Grand Rapids | 76 | B | 0 | — |
| 31 | 49341 | Rockford | 75 | B | 4 | $348K |
| 32 | 49321 | Comstock Park | 73 | B | 0 | $244K |
| 33 | 49326 | Gowen | 73 | B | 11 (2 health) | $195K |
| 34 | 49503 | Grand Rapids | 73 | B | 0 | $224K |
| 35 | 49504 | Grand Rapids | 73 | B | 0 | $223K |
| 36 | 49506 | Grand Rapids | 73 | B | 0 | $339K |
| 37 | 49507 | Grand Rapids | 73 | B | 0 | $180K |
| 38 | 49508 | Grand Rapids | 73 | B | 0 | $258K |
| 39 | 49509 | Wyoming | 73 | B | 8 | $183K |
| 40 | 49512 | Grand Rapids | 73 | B | 0 | $280K |
| 41 | 49519 | Wyoming | 73 | B | 8 | $220K |
| 42 | 49546 | Grand Rapids | 73 | B | 0 | $389K |
| 43 | 49418 | Grandville | 72 | B | 2 | $296K |
| 44 | 49525 | Grand Rapids | 68 | C | 0 | $293K |
| 45 | 49548 | Grand Rapids | 68 | C | 0 | $150K |
| 46 | 49311 | Bradley | 53 | D | 0 | — |
| 47 | 49317 | Cannonsburg | 53 | D | 0 | — |
| 48 | 49330 | Kent City | 53 | D | 0 | $253K |
| 49 | 49347 | Trufant | 53 | D | 0 | $174K |
Recommended Buyer Guides for Kent County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Kent County, Michigan
Overview
Kent County in Michigan covers 49 ZIP codes with an average Home Safety Score of B (74/100).
16 of 49 ZIP codes have recorded EPA violations. 10 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.