STATE REPORT MI 171 HEALTH VIOLATIONS

Michigan Home Safety Profiles by ZIP

1167 ZIP codes · 673 water systems · IPC plumbing code · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData, NWS, State plumbing boards, Rewiring America

ZipCheckup tracks drinking-water and home-safety data for 1,167 ZIP codes across Michigan, covering 673 public water systems that serve about 6,428,813 people. 551 ZIP codes carry at least one EPA violation on record.

1167
ZIP Codes
673
Water Systems
551
ZIPs with Violations
IPC
Plumbing Code
4
Avg Rebate Programs
A · 85
Avg Safety Score
15
ZIPs Exceeding Lead Limit
11%
High Radon Risk (Zone 1)
#8
of 50 States
89%
ZIPs Rated A or B
80%
ZIPs with Violations
A
Michigan average: 85/100 - ranked #8 of 50 states. 12 points above the national average (73). 89% of ZIP codes scored A or B.

Within Michigan, EPA compliance data across water systems tells a largely positive story - the state's utilities show above-average adherence to federal standards, and health-based violations are recorded in only a small share of monitored areas statewide.

Score Distribution

How Michigan's 1167 ZIP codes are distributed across safety grades.

145
A
125
B
21
C
12
D
0
F
85-10070-8455-6940-540-39

Home Safety Scores by State

Loading map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

Model 4.0.0 inputs: EPA SDWIS, UCMR5 PFAS, EPA radon zones, annual county AQI •

Top 10 Safest ZIP Codes in Michigan

Highest Home Safety Scores in the state.

#ZIP CodeCityCountyScoreGrade
1 48015 Center LineMacomb 100 A
2 48023 Fair HavenSt. Clair 100 A
3 48040 MarysvilleSt. Clair 100 A
4 48062 RichmondMacomb 100 A
5 48088 WarrenMacomb 100 A
6 48089 WarrenMacomb 100 A
7 48091 WarrenMacomb 100 A
8 48092 WarrenMacomb 100 A
9 48093 WarrenMacomb 100 A
10 48094 WashingtonMacomb 100 A

10 Lowest-Scoring ZIP Codes in Michigan

#ZIP CodeCityCountyScoreGradeViolations
1 49071 MattawanKalamazoo 45 D 4
2 49009 KalamazooKalamazoo 45 D 4
3 49002 PortageKalamazoo 48 D 2
4 49083 RichlandKalamazoo 49 D 4
5 49048 KalamazooKalamazoo 49 D 1
6 49024 PortageKalamazoo 49 D 1
7 49008 KalamazooKalamazoo 49 D 1
8 49007 KalamazooKalamazoo 49 D 1
9 49006 KalamazooKalamazoo 49 D 1
10 49004 KalamazooKalamazoo 49 D 1

County Rankings

Water quality breakdown by county. 83 counties with data in Michigan.

Loading county map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

County-level aggregation of measured ZIP Home Safety Scores • EPA SDWIS, UCMR 5 PFAS, EPA radon zones, EPA AirData

CountyAvg ScoreGradeZIPsBest ZIPWorst ZIP
26001 N/A N/A 9 N/A N/A
26003 N/A N/A 11 N/A N/A
26005 98 A 17 49078 (99) 49453 (97)
26007 N/A N/A 5 N/A N/A
26009 N/A N/A 10 N/A N/A
26011 N/A N/A 6 N/A N/A
26013 N/A N/A 6 N/A N/A
26015 N/A N/A 10 N/A N/A
26017 99 A 11 48747 (100) 48708 (98)
26019 N/A N/A 8 N/A N/A
26021 95 A 26 49101 (98) 49120 (88)
26023 N/A N/A 6 N/A N/A
26025 N/A N/A 17 N/A N/A
26027 63 C 7 49047 (63) 49047 (63)
26029 N/A N/A 7 N/A N/A
26031 N/A N/A 8 N/A N/A
26033 N/A N/A 18 N/A N/A
26035 N/A N/A 5 N/A N/A
26037 80 B 10 48808 (83) 48835 (79)
26039 N/A N/A 3 N/A N/A
26041 N/A N/A 10 N/A N/A
26043 N/A N/A 11 N/A N/A
26045 N/A N/A 11 N/A N/A
26047 N/A N/A 12 N/A N/A
26049 79 B 38 48423 (83) 48451 (67)
26051 N/A N/A 4 N/A N/A
26053 N/A N/A 6 N/A N/A
26055 N/A N/A 12 N/A N/A
26057 N/A N/A 16 N/A N/A
26059 N/A N/A 15 N/A N/A
26061 N/A N/A 16 N/A N/A
26063 100 A 14 48441 (100) 48468 (100)
26065 82 B 38 48824 (83) 48864 (80)
26067 N/A N/A 13 N/A N/A
26069 N/A N/A 9 N/A N/A
26071 N/A N/A 7 N/A N/A
26073 N/A N/A 8 N/A N/A
26075 N/A N/A 19 N/A N/A
26077 50 D 26 49097 (66) 49071 (45)
26079 N/A N/A 3 N/A N/A
26081 74 B 47 49306 (75) 49544 (70)
26083 N/A N/A 4 N/A N/A
26085 N/A N/A 5 N/A N/A
26087 N/A N/A 13 N/A N/A
26089 N/A N/A 8 N/A N/A
26091 65 C 19 49221 (66) 49286 (63)
26093 N/A N/A 14 N/A N/A
26095 N/A N/A 2 N/A N/A
26097 N/A N/A 10 N/A N/A
26099 99 A 39 48015 (100) 48045 (94)
26101 99 A 10 49660 (99) 49660 (99)
26103 76 B 13 49849 (83) 49866 (67)
26105 99 A 7 49431 (99) 49431 (99)
26107 N/A N/A 9 N/A N/A
26109 N/A N/A 13 N/A N/A
26111 N/A N/A 11 N/A N/A
26113 N/A N/A 4 N/A N/A
26115 N/A N/A 18 N/A N/A
26117 N/A N/A 18 N/A N/A
26119 N/A N/A 2 N/A N/A
26121 96 A 15 49440 (100) 49442 (92)
26123 N/A N/A 7 N/A N/A
26125 81 B 88 48030 (83) 48346 (65)
26127 N/A N/A 8 N/A N/A
26129 N/A N/A 4 N/A N/A
26131 N/A N/A 9 N/A N/A
26133 N/A N/A 7 N/A N/A
26135 N/A N/A 5 N/A N/A
26137 N/A N/A 6 N/A N/A
26139 95 A 19 49401 (100) 49456 (80)
26141 N/A N/A 6 N/A N/A
26143 N/A N/A 6 N/A N/A
26145 N/A N/A 26 N/A N/A
26147 98 A 20 48023 (100) 48074 (93)
26149 N/A N/A 9 N/A N/A
26151 N/A N/A 18 N/A N/A
26153 N/A N/A 4 N/A N/A
26155 N/A N/A 9 N/A N/A
26157 99 A 14 48723 (99) 48723 (99)
26159 N/A N/A 14 N/A N/A
26161 64 C 19 48104 (67) 48198 (55)
26163 90 A 94 48120 (92) 48127 (81)
26165 100 A 5 49601 (100) 49601 (100)

Most Common Contaminants in Michigan

Contaminant / RuleCategoryZIPs AffectedViolationsHealth Risk
Surface Water Treatment Rule Treatment Technique 303 587 No
Haloacetic Acids (HAA5) Disinfection Byproducts 253 434 Yes
Consumer Confidence Report Rule Reporting 237 397 Yes
Stage 1 DBP Rule Treatment Technique 228 415 Yes
Total Trihalomethanes (TTHM) Disinfection Byproducts 222 324 Yes
Stage 2 DBP Rule Treatment Technique 189 310 Yes
Lead and Copper Rule Treatment Technique 81 126 No
Revised Total Coliform Rule Microbiological 80 103 No

Overview

We track multi-source home safety signals for 1167 ZIP records across Michigan. Home Safety Score model 4.0.0 is published for 303 scored records; missing required evidence suppresses the score.

The EPA snapshots used for this build directly map water systems to 687 ZIP records, covering 673 community water systems that serve approximately 6,428,813 people.

551 of 687 ZIP codes with a reported violation count in the available EPA record (80%) have recorded EPA violations. 171 health-based violations appear in the available health breakdown.

Plumbing Regulations

Michigan follows the International Plumbing Code (2021 edition).

  • Plumbing code: IPC (2021)
  • Homeowner DIY: Allowed with permit
  • Water heater permit: Required
  • Annual backflow test: Required

Full Michigan regulations →

Energy & Water Rebates

Across 1153 tracked ZIP codes in Michigan, residents have access to an average of 4 water-related rebate programs - including incentives for heat pump water heaters, efficient fixtures, and plumbing upgrades.

Check rebates for your ZIP code →

Areas with Most Violations

ZIP Code City Home Safety Grade Violations Health-Based System
49630 Empire — 149 0 Empire, Village of
49636 Glen Arbor — 149 0 Empire, Village of
48371 Oxford C 69 2 Oxford Township
49068 Marshall — 60 1 Marshall
49092 Tekonsha — 59 1 My Place at Twin Valley
49866 Negaunee C 58 1 Negaunee
48117 Carleton — 57 0 Ash Township
48430 Fenton C 52 5 City of Fenton,
48166 Newport — 51 0 Berlin Township
49651 Lake City — 51 0 City of Lake City,

Areas with No Violations

ZIP Code City Home Safety Grade System Population
48015 Center Line A City of Warren, 134,056
48023 Fair Haven A Ira Township 6,510
48030 Hazel Park B Hazel Park 16,400
48040 Marysville A City of Marysville, 9,959
48041 Memphis — City of Memphis, 1,084
48063 Columbus — Pinewood on the Lake Mhp 950
48069 Pleasant Ridge — Pleasant Ridge 2,872
48085 Troy B Troy 85,854
48088 Warren A City of Warren, 134,056
48089 Warren A City of Warren, 134,056

Home Safety Score

Average Home Safety Score for Michigan: A (85/100) across 303 scored of 1167 tracked ZIP records.

Model 4.0.0 uses the canonical components water-compliance, pfas-mcl-screen, radon-zone, annual-aqi across 3 required domains. The sections below provide additional context and do not change that score. Missing required evidence suppresses the score, and a favorable result is not a property-level safety certification.

Lead & Copper

  • Average lead level (90th percentile): 0.0043 mg/L (EPA action level: 0.015 mg/L)
  • 15 of 675 ZIP codes with known status exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 133 ZIP codes (11%)
  • Moderate risk (Zone 2): 498 ZIP codes
  • Low risk (Zone 3): 535 ZIP codes

ZIP Code Reports for Michigan

Largest Communities

ZIP Code City Population Safety Grade Violations
48127 Dearborn Heights 914,013 B 20
48240 Redford 851,403 A 8
48205 Detroit 781,510 A 4
48239 Redford 779,664 A 4
48234 Detroit 767,274 A 0
48219 Detroit 754,461 A 8
48126 Dearborn 743,194 A 0
48204 Detroit 743,194 A 0
48210 Detroit 743,194 A 0
48228 Detroit 743,194 A 0
48236 Grosse Pointe 741,411 A 17
48225 Harper Woods 707,169 A 8
48223 Detroit 682,722 A 4
48235 Detroit 662,872 A 0
48211 Detroit 661,651 A 5
48212 Hamtramck 661,651 A 5
48224 Detroit 647,454 A 4
48203 Highland Park 642,195 A 2
48218 River Rouge 640,442 A 9
48221 Detroit 635,087 A 1

Lowest Published Home Safety Scores

ZIP Code City Score Grade Violations
49009 Kalamazoo 45 D 4
49071 Mattawan 45 D 4
49002 Portage 48 D 2
49001 Kalamazoo 49 D 1
49004 Kalamazoo 49 D 1

Highest Published Home Safety Scores

ZIP Code City Score Grade Violations
48015 Center Line 100 A 0
48023 Fair Haven 100 A 0
48040 Marysville 100 A 0
48062 Richmond 100 A 1
48088 Warren 100 A 0

All 1167 ZIP Codes in Michigan

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Largest water systems in Michigan

The 12 biggest community water systems serving Michigan, of 673 total.

Show all 12 water systems

Systems with the most violations in Michigan

12 systems in Michigan with the most recorded EPA violations.

Frequently Asked Questions

Is the water safe to drink in Michigan?

Michigan has 673 community water systems serving 6,428,813 people across 1167 ZIP codes. There are 2,057 recorded violations, including 171 health-based. 551 of 1167 ZIP codes have at least one violation.

What plumbing code does Michigan follow?

Michigan follows the IPC plumbing code. DIY plumbing work is allowed for homeowners.

Is lead a concern in Michigan's drinking water?

15 ZIP codes in Michigan have lead levels exceeding the EPA action level of 0.015 mg/L.

What is the radon risk in Michigan?

11% of ZIP codes in Michigan fall in EPA Radon Zone 1 (highest risk).

How to cite this page

APA ZipCheckup. (2026). Michigan Home Safety Profiles by ZIP. https://zipcheckup.com/states/michigan/
BibTeX 
@misc{zipcheckup-states-michigan,
  author = {{ZipCheckup}},
  title  = {{Michigan Home Safety Profiles by ZIP}},
  year   = {2026},
  url    = {https://zipcheckup.com/states/michigan/}
}

Page version: August 2026.

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