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Counties → Michigan

St. Joseph County, Michigan

SDWIS compliance plate

Sheet MI149 · St. Joseph County 135 sys · 3,930 viol · #957/3254

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

  • VIOL-SEVERE 83.0% flagged
  • HEALTH-LOW 13.3% health
  • RANK-UPPER #957/3254
  • PHOTO-FINISH ±0.4 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 99%
  • SYS-LARGE 135 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, St. Joseph County ranks #957 of 3,254 counties by people served, and #27 of 83 counties in Michigan. See methodology · corpus placement.

St. Joseph County standing, lower-flagged corpus third

Flagged-system rate 83.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 13.3% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #957 of 3,254 · #27 of 83 in Michigan.

Flagged-rate neighbourhood around St. Joseph County

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

0% 20% 40% 60% 80% 100% Oscoda · lowest Leelanau · near Antrim · near Menominee · highest 52.9% 82.6% 82.6% 83% 83.3% 83.4% 100%

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

Water Systems

System Name Population Violations PFAS
Sturgis 11,920 31 Clean
Three Rivers 7,905 85 Detected
Constantine 2,075 48 -
Lockport Township 1,778 58 -
White Pigeon 1,640 44 -
Centreville 1,579 98 -
Glen Oaks Community College 1,233 24 -
Colon 1,190 68 -
Mendon 920 93 -
Abbott Nutrition 850 0 -
Burr Oak 828 291 -
Steinke Resort - Middle 590 7 -
Steinke Resort - North 588 0 -
Steinke Resort - South 588 0 -
Cade Lake County Park and Campground 500 29 -
Camp Tavor - West 460 0 -
Leidy Lake Campground 408 1 -
Pineview Golf Club 400 48 -
Klines Resort 398 20 -
YMCA Camp Eberhart - Klinger Hall 350 27 -
Sturgis Missionary Church 350 3 -
YMCA Camp Eberhart - Leighton Lodge 350 0 -
YMCA Camp Eberhart - O'Brien Hill 350 4 -
YMCA Camp Eberhart - Heron's Nest Bathho 350 5 -
YMCA Camp Eberhart - Obenchain 350 0 -
Memory Lane Mobile Home Park 340 13 -
Norton School 300 19 -
Howardsville Christian School 250 259 -
Dollar General - Three Rivers 250 0 -
Dollar General #24569 - Nottawa 250 0 -
Howardsville Christian School Gym 250 3 -
Camp Tavor - East 230 10 -
Green Valley Campground - Office & Pool 220 6 -
Sauganash Country Club LLC 214 28 -
Green Valley Golf Club 200 21 -
Latvian Center Garezers - Dzintari Campg 200 11 -
Corey Lake Orchards - Bakery 200 4 -
Meyer Broadway Park 200 0 -
Klinger Lake Country Club 180 20 -
Factoryville Christian School 180 148 -
Bayer Crop - Office 175 29 -
Alpha Building Center - East Store 170 3 -
Roberts Corey Lake Campground 165 4 -
Church of the Nazarene-Three Rivers 160 10 -
Latvian Center Garezers - Event Center 157 0 -
Bayer Crop - Greensort 154 3 -
Amigo Park 152 10 -
Camp Wakeshma 150 1 -
Sm Mottville Gas Inc. 150 75 -
Amigo Centre - Retreat Center 150 36 -

Compare beyond Michigan

Lower-flagged peers for St. Joseph County

Cross-state counties nearest St. Joseph County on flagged-system share (83.0%) and cumulative violation count (3,930). 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.