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Counties → Minnesota

Winona County, Minnesota

SDWIS compliance plate

Sheet MN169 · Winona County 79 sys · 1,204 viol · #941/3254

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

  • VIOL-SEVERE 67.1% flagged
  • HEALTH-HIGH 71.3% health
  • RANK-UPPER #941/3254
  • PHOTO-FINISH ±0.4 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-MID 79 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Winona County ranks #941 of 3,254 counties by people served, and #17 of 87 counties in Minnesota. See methodology · corpus placement.

Winona County standing, lower-flagged corpus third

Flagged-system rate 67.1% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 71.3% is health-based share above the upper 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 #941 of 3,254 · #17 of 87 in Minnesota.

Flagged-rate neighbourhood around Winona County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Winona · this county Nicollet · near Watonwan · highest 22.2% 66.7% 67.1% 67.8% 69.2% 69.4% 100%

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

Water Systems

System Name Population Violations PFAS
Winona 27,782 47 Clean
Goodview 4,158 62 Clean
Saint Charles 3,825 8 Clean
Kwik Trip No. 497 1,600 23 -
Lewiston 1,520 72 -
Enterprise Rest Area MNDOT 1,220 23 -
Dresbach Information Center MNDOT 1,058 30 -
Stockton 697 17 -
Rollingstone 664 9 -
Lock and Dam No. 7 600 7 -
Whitewater State Park 600 156 -
Whitewater Travel Plaza, Inc. 600 0 -
Witoka Tavern 500 35 -
Altura 493 2 -
Hidden Valley Mobile Home Park 464 94 -
Grace Lutheran Church - Ridgeway 400 7 -
St. John's Lutheran Church and School 360 14 -
St. John's Lutheran Church 300 42 -
Utica 293 10 -
Grace Lutheran Church 270 0 -
Trinity Evangelical Lutheran Church 200 20 -
St. Luke's Evangelical Lutheran Church 200 0 -
Berea Moravian Church 150 6 -
Lock and Dam No. 5, Corps of Engineers 150 0 -
Cedar Valley Golf Course 150 2 -
Lazy D Campground 150 7 -
Elba 146 3 -
Bass Camp Resort 135 7 -
Immanuel Lutheran Church and School 130 10 -
St. Paul's Catholic Church 120 0 -
Technical Die-Casting, Inc. 120 0 -
Prairie Island Campground 120 6 -
Lewiston Church of the Brethren 105 27 -
First Evangelical Lutheran Church 100 0 -
Ridgeway Water Association 100 27 -
Buck's Bar - Minneiska Meats 100 14 -
Green Terrace Mobile Estates 86 35 -
Ridgeway Community School 85 7 -
Camp Everyday 80 14 -
Twin Bluffs Bar 75 14 -
Riverside United Methodist Church 70 21 -
Bethany Water Company 60 18 -
Consolidated Energy Company 60 5 -
Z&A Country Market 59 0 -
Black Horse Bar & Grill 50 0 -
Pickwick Inn 50 37 -
Pete's Inn 50 7 -
Eagle View Bar & Grill 50 0 -
Forest River Campground and Marina 50 7 -
CHS, St. Charles 50 0 -

Compare beyond Minnesota

Lower-flagged peers for Winona County

Cross-state counties nearest Winona County on flagged-system share (67.1%) and cumulative violation count (1,204). 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.