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Counties → Michigan

Sanilac County, Michigan

SDWIS compliance plate

Sheet MI151 · Sanilac County 77 sys · 2,021 viol · #1532/3254

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

  • VIOL-SEVERE 93.5% flagged
  • HEALTH-LOW 13.7% health
  • RANK-MID #1532/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 94%
  • SYS-MID 77 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Lake County ( -0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Sanilac County ranks #1,532 of 3,254 counties by people served, and #54 of 83 counties in Michigan. See methodology · corpus placement.

Sanilac County standing, mid-flagged corpus third

Flagged-system rate 93.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 13.7% 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 #1,532 of 3,254 · #54 of 83 in Michigan.

Flagged-rate neighbourhood around Sanilac County

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

0% 20% 40% 60% 80% 100% Oscoda · lowest Mecosta · near Lake · near Menominee · highest 52.9% 93.2% 93.3% 93.3% 93.4% 93.5% 100%

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

Water Systems

System Name Population Violations PFAS
Worth Township 3,854 24 Clean
Sandusky, City Of 2,679 48 -
Croswell, City Of 2,447 32 -
Marlette, City Of 1,875 194 -
Brown City 1,316 28 -
Lexington, Village Of 1,025 41 -
Forester Township 950 12 -
Forestville Village Of 836 12 -
Deckerville, Village Of 830 11 -
Sanilac Township 674 26 Clean
Sanilac Isd 650 69 Clean
Peck, Village Of 632 8 -
Port Sanilac, Village Of 623 20 -
Carsonville, Village Of 527 33 -
Buel Hill Estates (Dba Eagles Landing) 400 47 Clean
Camp Stapleton 400 23 -
Carsonville-Port Sanilac Schls 360 16 -
Blue Water Campground 300 4 -
Sunset Mobile Home Park 263 35 -
Camp Ozanam 250 13 -
Heritage Untd Meth Church 225 0 -
Sandpiper Estates 215 45 -
Countryside Free Methodist 200 11 -
Camp Cavell 200 33 -
Lakeview Hills Country Club 200 11 -
Minden City, Village Of 197 56 -
Country Hill Pines 174 53 -
Evergreen Campground 173 21 -
Sanilac County Health & Human Services 161 38 -
St. Joseph's Catholic Hall 150 11 -
Camp Playfair-North Well 150 5 -
Ben's Supercenter - Marlette LLC 150 12 -
Huron Bay Resort 140 66 -
Black River Farm & Ranch 136 5 -
Lamotte Missionary Church 120 8 -
Fellowship Bible Church 100 2 -
Applegate Inn-Joe D Inc. 100 79 -
Open Door Missionary Church 100 13 -
Country View Bulk Foods 100 0 -
Pine Terrace Estates 80 38 -
Southside Party Store 75 53 -
Shabbona Riverside Church 75 5 -
Sanilac Smiles 70 25 -
Kingdom Hall Jehovah's Witnesses 70 37 -
Bethel Missionary Church 67 32 -
Ametek Patriot Sensor Control 65 34 -
Trinity Lutheran Church - Minden City 65 9 -
Deckerville Bible Church 60 24 -
St. Patrick's Church 60 30 -
Tricounty Equipment 60 8 -

Compare beyond Michigan

Mid-flagged peers for Sanilac County

Cross-state counties nearest Sanilac County on flagged-system share (93.5%) and cumulative violation count (2,021). 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.