PlainWater
Counties → Wisconsin

Portage County, Wisconsin

SDWIS compliance plate

Sheet WI097 · Portage County 150 sys · 2,795 viol · #949/3254

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

  • VIOL-SEVERE 70.7% flagged
  • HEALTH-MID 28.6% health
  • RANK-UPPER #949/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 100%
  • SYS-LARGE 150 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Portage County ranks #949 of 3,254 counties by people served, and #26 of 71 counties in Wisconsin. See methodology · corpus placement.

Portage County standing, lower-flagged corpus third

Flagged-system rate 70.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 28.6% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #949 of 3,254 · #26 of 71 in Wisconsin.

Flagged-rate neighbourhood around Portage County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest Barron · near Portage · this county Milwaukee · highest 52.1% 69.5% 70% 70.6% 70.7% 71.2% 95.3%

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

Water Systems

System Name Population Violations PFAS
Stevens Point Waterworks 26,717 14 Clean
Plover Waterworks 13,486 13 Detected
Whiting Waterworks 1,743 17 -
Amherst Waterworks 1,119 8 -
McCain Foods USA 450 56 -
Almond-Bancroft Public Schools 420 27 -
Junction City Waterworks 416 16 -
Grant Elementary School 350 98 -
Rosholt Elem School 338 15 -
Recreacres Mhc LLC 320 200 -
Evergreen Villa Mobile Homes 250 166 -
Rosholt High School 214 28 -
Riverview Estates MHP 150 147 -
Sacred Heart School 150 25 -
Cent Wis Env Center Bathhouse 135 0 -
Bernatellos Food 100 12 -
St Adalbert Catholic Church 93 250 -
Behnke Olson Outdoor Recreation Center 84 0 -
WI Lions Camp Memorial Building 75 7 -
WI Lions Camp 4 Rec Shelter 75 6 -
Bison Transport USA 75 65 -
Pine Grove Villa 75 285 -
Jakes Place 65 24 -
Dollar General Store #16673 64 0 -
Oak Lane Mobile Home Park 60 245 -
Best Western Plover-Stevens Point Hotel 60 10 -
Grit and Grace Family Restaurant 60 7 -
Feltzs Dairy Store 60 8 -
North New Hope Luth Church 50 9 -
Rivers Edge Cmpgd South Park Northeast Well 50 0 -
Rivers Edge Cmpgd South Park Southwest Well 50 0 -
Tomorrow River Bp 45 0 -
St Adalbert School 40 231 -
Cent Wis Env Center Sunset Lodge 40 13 -
Two Lakes Resort 35 1 -
Plover Cafe 30 32 -
Rivers Edge Cmpgd North Well 30 0 -
Refuah 30 4 -
Rosholt Branch Library 30 5 -
Dollar General Store #25974 28 7 -
Kwik Trip #202 26 8 -
Boston School Forest - Oelke Lodge 25 0 -
Boston School Forest - Noble Lodge 25 4 -
Collins Memorial Park - Beach 25 9 -
Lake Emily Co Park Campground-South 25 5 -
Pop-A-Top Bar & Grill 25 32 -
Simple Times 25 41 -
Grannys Country Cafe 25 2 -
Rosholt Gas N Go 25 0 -
Dollar Bills 25 2 -

Compare beyond Wisconsin

Lower-flagged peers for Portage County

Cross-state counties nearest Portage County on flagged-system share (70.7%) and cumulative violation count (2,795). 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.