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Counties → Michigan

Calhoun County, Michigan

SDWIS compliance plate

Sheet MI025 · Calhoun County 148 sys · 3,433 viol · #602/3254

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

  • VIOL-SEVERE 87.8% flagged
  • HEALTH-LOW 8.1% health
  • RANK-TOP #602/3254
  • PHOTO-FINISH ±0.4 pp
  • PFAS-MID 40.0% detect
  • SRC-GW GW lead 100%
  • SYS-LARGE 148 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Allegan County ( -0.4 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Calhoun County ranks #602 of 3,254 counties by people served, and #19 of 83 counties in Michigan. See methodology · corpus placement.

Calhoun County standing, lower-flagged corpus third

Flagged-system rate 87.8% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 8.1% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 40.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #602 of 3,254 · #19 of 83 in Michigan.

Flagged-rate neighbourhood around Calhoun County

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

0% 20% 40% 60% 80% 100% Oscoda · lowest Allegan · near Calhoun · this county Menominee · highest 52.9% 87.2% 87.4% 87.4% 87.8% 88.3% 100%

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

Water Systems

System Name Population Violations PFAS
Battle Creek - Verona System 43,975 48 Detected
Albion 9,144 48 Clean
Marshall 7,088 9 Clean
Pennfield Township 3,916 93 Clean
Springfield 3,833 12 Detected
Emmett Township 2,550 27 -
Homer 1,668 29 -
Athens 956 36 -
Bedford Hills 850 8 -
Cornwells Turkey House 800 71 -
Rockey's Campground 800 6 -
Lighthouse Village (Wells 4 & 5) 775 15 -
Mdot - Battle Creek, R-03 750 0 -
Tekonsha 722 48 -
Mdot - Turkeyville R.a., R-22 720 5 -
Hickory Hills 708 19 -
Diesel Man Inc LLC 600 31 -
Bedford Elementary School 600 15 -
M-66 Bowl 550 49 -
Barney's Bar 500 29 -
West Columbia Seven 500 30 -
United Pentecostal Campgrounds 500 45 -
J.c. Cinema, Inc. 500 19 -
Lighthouse Village (Well 2) 400 0 -
East Leroy Elementary 360 24 -
Network Family Church 350 7 -
Brembo Na - Disc 348 2 -
Mar-Lee School 340 98 -
Beadle Lake Elementary 325 26 -
Wattles Park Elementary School 325 24 -
Sonoma Elementary School 300 62 -
Victory Life Church 300 0 -
Marshall Academy 280 7 -
Purdy School 274 32 -
Doris Klaussen Dev Center 260 29 -
North Pennfield School 260 28 -
Free Range Pancake House 250 9 -
Flex-N-Gate 250 16 -
Sandhill 250 116 -
Np Creek Valley South 245 10 -
Binder Park Zoo 235 3 -
Tri Lake Trails Campground 217 37 -
Green's Tavern 200 20 -
Quality Inns and Suites 200 21 -
Anchor Baptist Church 200 57 -
Miller's Time Out 200 13 -
Bellevue Mobile Home Park 190 19 -
Twin Pines Mobile Home Park 182 68 -
Np Creek Valley North 170 0 -
Birchwood Estates 168 0 -

Compare beyond Michigan

Lower-flagged peers for Calhoun County

Cross-state counties nearest Calhoun County on flagged-system share (87.8%) and cumulative violation count (3,433). 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.