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Counties → Michigan

Mackinac County, Michigan

SDWIS compliance plate

Sheet MI097 · Mackinac County 119 sys · 2,718 viol · #2178/3254

VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 90.8% flagged
  • HEALTH-LOW 13.2% health
  • RANK-LOWER #2178/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 97%
  • SYS-MID 119 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Montmorency County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Mackinac County ranks #2,178 of 3,254 counties by people served, and #69 of 83 counties in Michigan. See methodology · corpus placement.

Mackinac County standing, lower-flagged corpus third

Flagged-system rate 90.8% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 13.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,178 of 3,254 · #69 of 83 in Michigan.

Flagged-rate neighbourhood around Mackinac County

Lowest/highest poles plus in-state counties nearest Mackinac County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Oscoda · lowest Montmorency · near Schoolcraft · near Menominee · highest 52.9% 90.8% 90.9% 91% 91% 91.3% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
St. Ignace 2,987 33 -
Mackinac Island 583 19 -
Engadine School 552 7 -
Les Cheneaux School 336 58 -
Clark Township - Community Center 200 14 -
Mdot - Gros Cap Park, P219 200 12 -
Cedar Bay Camp - Bay View 200 46 -
Cedar Bay Camp - Taylor Lodge 200 2 -
Cedar Bay Camp - Willoughby 200 2 -
Hiawatha Sportmen's Club-Office 200 35 -
Hiawatha Sportmen's Club-Grp 1 (7-16) 200 0 -
Hiawatha Sportmen's Club-Group 2 (17-25) 200 0 -
Hiawatha Sportmen's Club-Group 3 (30-35) 200 0 -
Hiawatha Sportmen's Club-Group 4 (38-50) 200 0 -
Hiawatha Sportmen's Club-Rec Building 200 2 -
Hiawatha Sportmen's Club-Activity Build 200 0 -
First Union Church 200 18 -
Erickson Center for the Arts - Pine 160 0 -
Cedarville RV Park 154 14 -
Snow's Bar & Grill 150 41 -
Usfs - Carp River Campground 150 16 -
Usfs - Brevort Lake Campground 150 8 -
Usfs - Lake Michigan Campground 140 17 -
Les Cheneaux Christian Fellows 136 11 -
Les Cheneaux Distillers - Meridian 120 2 -
Lakeshore RV Campground 112 11 -
Three Lakes Academy 107 26 -
Moran Twp Schls/Gros Cap 102 29 Clean
Wachter Well 100 5 -
Mdot - Cut River East, P216 100 11 -
Belvedere Grand 100 6 -
Mdot - Bastion Rest Area, R213e 100 6 -
Usfs - St. Ignace Complex 100 11 -
Pine Bluff Resort 100 34 -
Loon's Point Campground 98 12 -
Spring Lodge & Cottages 90 19 -
Goodale's Sweet Shop 80 17 -
Beary Patch 80 87 -
Cut River Inn 79 34 -
Islander Bar 75 31 -
Les Cheneaux Distillers - Tipper Room 75 29 -
Cedarville Hotel 75 73 -
Blarney Castle - Cedarville Ez Mart 75 43 -
Cove Bar 75 21 -
Ice Cream Shoppe & Hair Salon 75 5 -
Les Cheneaux Landing 60 11 -
Chapel Hill Motel 60 40 -
Susan's Shipwreck 60 30 -
Whitetail Resort 54 62 -
Hills Point Resort 54 22 -

Compare beyond Michigan

Lower-flagged peers for Mackinac County

Cross-state counties nearest Mackinac County on flagged-system share (90.8%) and cumulative violation count (2,718). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.