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Counties → Michigan

Montcalm County, Michigan

SDWIS compliance plate

Sheet MI117 · Montcalm County 162 sys · 6,429 viol · #966/3254

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

  • VIOL-SEVERE 88.3% flagged
  • HEALTH-LOW 4.4% health
  • RANK-UPPER #966/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 100%
  • SYS-LARGE 162 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Montcalm County ranks #966 of 3,254 counties by people served, and #29 of 83 counties in Michigan. See methodology · corpus placement.

Montcalm County standing, lower-flagged corpus third

Flagged-system rate 88.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.4% 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 #966 of 3,254 · #29 of 83 in Michigan.

Flagged-rate neighbourhood around Montcalm County

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

0% 20% 40% 60% 80% 100% Oscoda · lowest Manistee · near Montcalm · this county Menominee · highest 52.9% 87.4% 87.4% 87.8% 88.3% 88.5% 100%

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

Water Systems

System Name Population Violations PFAS
Greenville 8,816 80 Detected
Carson City 3,322 25 Clean
Howard City 1,800 30 -
Stanton 1,417 44 -
Montcalm Community College 1,400 123 -
Edmore 1,256 17 -
Snow Lake Kampground 1,236 13 -
Lakeview 1,007 2 -
Central Montcalm MS-Hs 985 25 -
J & H Oil Co - Pierson Mobil Mart 700 0 -
Sheridan 649 23 -
Jorgi's Marketplace 600 35 -
Turk Lake Market LLC 600 24 -
Blanchard's Thriftway 600 29 -
Tri County High School 600 18 -
Central Montcalm Upper Elementary 560 15 -
Tri County Junior High 533 11 -
Mdot - Morley, R533 500 30 -
Pierson Trading Post 500 165 -
Tri County Elementary 499 5 -
Langston General Store 495 27 -
Montabella Elementary 450 31 -
Montabella JR/SR High School 434 6 -
The Little Store 425 61 -
Christ the King Fellowship 400 2 -
M-46 Mobile Truck Stop 400 10 -
McBride Country Store, Inc 400 90 -
Miller's County Store LLC 400 112 -
4-H Fairground 400 71 -
Spot Gas Stop 400 19 -
Greenville Community Church 400 35 -
Great Lakes Adventist Academy 360 43 -
Southshore Campground 1 360 3 -
Montcalm Area Career Center 330 28 -
Three Seasons Campground - West 320 4 -
Three Seasons Campground - East 320 4 -
Ago - Bp #25 300 32 -
Vestaburg High School 300 20 -
The Rusty Nail Restaurant 300 105 -
Tractor Supply Company 300 158 -
Ago - Pacific Pride/Citgo #22 300 76 -
Viking Grocery Mart 300 80 -
Beth Haven Bapt. Church/School 300 103 -
Southshore Campground 2 300 3 -
First Baptist Church of Carson/Act Ctr 299 0 -
Corewell Health United Hospital 280 0 -
Vestaburg Community School 280 11 -
Catch 120 Grill, LLC 250 77 -
Marl View Lanes 250 32 -
Bethel Lutheran Church - Howard City 250 62 -

Compare beyond Michigan

Lower-flagged peers for Montcalm County

Cross-state counties nearest Montcalm County on flagged-system share (88.3%) and cumulative violation count (6,429). 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.