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Counties → Wisconsin

La Crosse County, Wisconsin

SDWIS compliance plate

Sheet WI063 · La Crosse County 125 sys · 3,426 viol · #584/3254

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

  • VIOL-SEVERE 72.0% flagged
  • HEALTH-MID 23.9% health
  • RANK-TOP #584/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 75.0% detect
  • SRC-GW GW lead 100%
  • SYS-LARGE 125 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Fond du Lac County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, La Crosse County ranks #584 of 3,254 counties by people served, and #13 of 71 counties in Wisconsin. See methodology · corpus placement.

La Crosse County standing, lower-flagged corpus third

Flagged-system rate 72.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 23.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 75.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #584 of 3,254 · #13 of 71 in Wisconsin.

Flagged-rate neighbourhood around La Crosse County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest La Crosse · this county Sheboygan · near Milwaukee · highest 52.1% 71.2% 72% 72% 72.6% 72.7% 95.3%

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

Water Systems

System Name Population Violations PFAS
La Crosse Waterworks 53,000 73 Detected
Onalaska Waterworks 18,000 25 Detected
Holmen Waterworks 10,147 123 Detected
West Salem Waterworks 5,045 15 Clean
Bangor Waterworks 1,520 25 -
Shelby TN of Wedgewood Vly 1,020 15 -
Celebrations on the River 815 5 -
WI DOT Rest Area 31 & Info Center Lacrosse 650 12 -
Rockland Waterworks 642 38 -
St Joseph San Dist 1 503 61 -
La Crosse Estates LLC 351 5 -
Summit Elementary School 302 15 -
Brookview MHP 300 45 -
Town of Farmington Sanitary District 275 41 -
Sky Harbour Center 275 0 -
Bostwick Valley MHP 240 22 -
Shelby TN of SD 2 Arbor Hl 231 83 -
Norwood Inn 200 19 -
Maple Grove Venues 200 5 -
Empire Screen Printing Clean Room 200 19 -
Metallics Incorporated 190 34 -
Jehovahs Witnesses la Crosse 170 0 -
Shelby TN of SD 2 Skyline 156 21 -
Barre Country Diner 151 0 -
Potato King 150 14 -
Bluffview Commons 140 219 -
Camp Decorah 1 - Hagerman Hall 120 8 -
Green Oaks Mobile Home Court 117 458 -
Camp Ehawee Hope Dining Hall 100 0 -
Lax Co Goose Is Pk Park Office 100 7 -
Lax Co Goose Is Pk Shelter 1 100 12 -
All Star Lanes 100 0 -
Bluebird Springs Cmpgd 100 19 -
Whispering Pines Campground 100 2 -
Pettibone Park Artesian Well 100 7 -
Camp Ehawee Pool 100 7 -
Lax Co Veterans Mem Pk Cmpgrnd Artesian 100 0 -
Innsbruck Water Trust 85 30 -
Golden Valley Mobile Home Park 80 57 -
Empire Screen Printing Office 70 4 -
Upper Midwest Environmental Sciences Ctr 70 25 -
Stella-Jones - Office 60 34 -
Neshonoc Lakeside Cmpgd Office/Store 60 5 -
St Peters Catholic Church 60 0 -
Neshonoc Lakeside Cmpgd Upper 60 0 -
Neshonoc Lakeside Cmpgd Lower 60 0 -
Lax Co Swarthout Lakeside Pk Shelter Well 50 2 -
Red Pines Resort 50 21 -
Hill Billys Bar & Grill 50 0 -
Midway Deli 50 5 -

Compare beyond Wisconsin

Lower-flagged peers for La Crosse County

Cross-state counties nearest La Crosse County on flagged-system share (72.0%) and cumulative violation count (3,426). 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.