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Counties → Michigan

Isabella County, Michigan

SDWIS compliance plate

Sheet MI073 · Isabella County 90 sys · 2,991 viol · #968/3254

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

  • VIOL-SEVERE 90.0% flagged
  • HEALTH-LOW 6.8% health
  • RANK-UPPER #968/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 99%
  • SYS-MID 90 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Roscommon County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Isabella County ranks #968 of 3,254 counties by people served, and #30 of 83 counties in Michigan. See methodology · corpus placement.

Isabella County standing, lower-flagged corpus third

Flagged-system rate 90.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.8% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #968 of 3,254 · #30 of 83 in Michigan.

Flagged-rate neighbourhood around Isabella County

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

0% 20% 40% 60% 80% 100% Oscoda · lowest Isabella · this county Washtenaw · near Menominee · highest 52.9% 89.8% 90% 90% 90.2% 90.2% 100%

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

Water Systems

System Name Population Violations PFAS
Mount Pleasant 21,688 19 Clean
Union Township 12,927 22 Detected
Shepherd, Village Of 1,515 70 -
Weidman Ez Mart 800 5 -
Beal City Public Schools 785 54 -
Outdoor Adventures- Mt Pleasant 640 44 -
Huggy Bears 500 84 -
Rosebush Ez Mart 500 20 -
McDonald's Restaurant - Shepherd 500 137 -
Out-A-Bounds Pizza 500 25 -
Morbark Industries 450 173 -
R&r Family Stores 400 8 -
Weidman Elementary 380 73 -
Lake Isabella Water Dist. #1 327 23 -
Herrick Park Campground 312 17 -
Herrick Park Campground Bathhouse 312 0 -
Morey Charter School 250 16 -
Mapleview Estates East 220 4 -
Unified Brands South 220 184 -
Broomfield Valley 212 13 -
Country Corner Market 209 0 -
Z's Gas and Go 200 2 -
Rosebush Elementary 200 36 -
Coldwater Lake Park 200 0 -
Rosebush Expressway Ez Mart 200 2 -
The Pines Golf Course 150 18 -
Weidman Eagles 150 4 -
Bandit Industries B 4,7,8 150 45 -
Happy Ending Plaza 150 86 -
Clare VA Hospital 150 23 -
Dollar General #22723 - Weidman 150 4 -
St. Joseph the Worker School 135 83 -
Northside Hansen Arena 125 7 -
Winn Ez Mart 125 3 -
New Life Christian Church-Mt Pleasant 120 12 -
Country Place 115 16 -
Oakview Mobile Estates 102 11 -
Coldwater Lake 4-H Camp 100 22 -
Winding Brook Conf Ctr 100 10 -
Riverwood Recreation Ctr 100 43 -
Pleasant Hills Golf Course 100 23 -
Odyssey High School 100 7 -
Weidman United Methodist 100 6 -
Isabella 4-H Campground 100 39 -
J & H Family Store-Martin Kountry Korner 100 8 -
Coldwater Lake 4-H Camp Kitchen 100 5 -
Bandit Industries B1 95 19 -
Bandit Industries B2 95 0 -
Bandit Industries B3 95 0 -
Mapleview Estates 93 12 -

Compare beyond Michigan

Lower-flagged peers for Isabella County

Cross-state counties nearest Isabella County on flagged-system share (90.0%) and cumulative violation count (2,991). 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.