PlainWater
Counties → Wisconsin

Polk County, Wisconsin

SDWIS compliance plate

Sheet WI095 · Polk County 186 sys · 3,207 viol · #1667/3254

VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-LARGE · BOOK-MOST

  • VIOL-SEVERE 60.2% flagged
  • HEALTH-MID 20.5% health
  • RANK-MID #1667/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-LARGE 186 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Adams County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Polk County ranks #1,667 of 3,254 counties by people served, and #44 of 71 counties in Wisconsin. See methodology · corpus placement.

Polk County standing, lower-flagged corpus third

Flagged-system rate 60.2% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.5% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Polk County . Population served ranks #1,667 of 3,254 · #44 of 71 in Wisconsin.

Flagged-rate neighbourhood around Polk County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest Adams · near Washburn · near Milwaukee · highest 52.1% 58.8% 60% 60.2% 60.8% 61.4% 95.3%

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

Water Systems

System Name Population Violations PFAS
Amery Waterworks 2,962 36 -
Osceola Waterworks 2,680 57 -
St Croix Falls Waterworks 2,079 6 -
Frederic Waterworks 1,241 25 -
Luck Waterworks 1,150 7 -
Clear Lake Waterworks 1,061 76 -
Balsam Lake Waterworks 1,031 42 -
Dresser Waterworks 936 43 -
Milltown Waterworks 915 47 -
Centuria Waterworks 900 24 -
Clayton Waterworks 765 13 -
Peace Lutheran Church 600 0 -
Bethesda Lutheran Church 150 0 -
YMCA Camp Icaghowan 140 15 -
Wilkins Bone Lake Bar & Resort 140 27 -
Balsam Lake Brick Oven Breads LLC 124 0 -
Amani Village Sanitary Dist 100 124 -
Polk Co Somers Lake Rec Area 100 0 -
Bone Lake Lutheran Church 90 28 -
Assumption Catholic Church 90 13 -
Luck Golf Course Shop 85 0 -
Speedway 84 15 -
Hunky Dory Resort 76 68 -
Sunset Cove on Bone Lake Old 75 0 -
Luck Golf Course 75 6 -
Pipe Lake Christ Lutheran Church 75 15 -
Bunnycup Winery 75 0 -
Cushing Community Center 74 21 -
Apple River Community Church 70 7 -
Skol Haus 70 5 -
Wwt VI LLC 70 28 -
Lake Wapogasset Luth Bible Camp 3 60 0 -
Trinity Lutheran McKinley 60 0 -
Moe Lutheran Church 60 2 -
Zion Lutheran Church Bone Lk 60 6 -
Carebare Daycare 60 9 -
West Immanuel New Well 57 0 -
Mixed Up Waterside Bar and Grill 55 35 -
Guilty Vibez 55 0 -
Cws Security 55 4 -
Sawmill Brew Shed 55 0 -
Dancing Dragonfly Winery 55 0 -
Lake Wapogasset Luth Bible Ret 50 6 -
Clear Lake Golf Club 50 8 -
Port Valhalla Cmpgd 50 14 -
Browtine 50 36 -
Wapo Valley Condo 50 33 -
Lake Wapogasset Lutheran Bible Camp Ox Lake 1 50 18 -
Polk Co County Trail Nye Store 50 6 -
Dollar General Luck 50 0 -

Compare beyond Wisconsin

Lower-flagged peers for Polk County

Cross-state counties nearest Polk County on flagged-system share (60.2%) and cumulative violation count (3,207). 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.