PlainWater

Sheboygan County, Wisconsin

SDWIS compliance plate

Sheet WI117 · Sheboygan County 215 sys · 5,035 viol · #514/3254

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

  • VIOL-SEVERE 72.6% flagged
  • HEALTH-LOW 14.6% health
  • RANK-TOP #514/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-MID 25.0% detect
  • SRC-GW GW lead 99%
  • SYS-LARGE 215 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Pepin County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Sheboygan County ranks #514 of 3,254 counties by people served, and #11 of 71 counties in Wisconsin. See methodology · corpus placement.

Sheboygan County standing, lower-flagged corpus third

Flagged-system rate 72.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 14.6% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #514 of 3,254 · #11 of 71 in Wisconsin.

Flagged-rate neighbourhood around Sheboygan County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest La Crosse · near Pepin · near Milwaukee · highest 52.1% 72% 72% 72.6% 72.7% 73.3% 95.3%

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

Water Systems

System Name Population Violations PFAS
Sheboygan Water Utilities 49,931 58 Clean
Plymouth Utilities 8,964 127 Clean
Sheboygan Falls Utilities 8,165 28 Clean
Sheboygan TN Waterworks 4,596 8 Detected
Oostburg Waterworks 3,110 13 -
Kohler Waterworks 2,271 46 -
Cedar Grove Waterworks 2,213 84 -
Loves Travel Stop - Sheboygan 2,070 12 -
Random Lake Waterworks 1,594 24 -
Elkhart Lake Waterworks 1,567 8 -
Kettle Moraine Correctional Institution 1,544 6 -
Lakeland University 1,200 21 -
Wade House-Visitor Center and Museum 754 6 -
Rehlko Power Systems Security 750 85 -
St Pauls Evangelical Lutheran Church 735 9 -
Cascade Waterworks 719 49 -
Saron United Church of Christ 603 10 -
Rocky Knoll Health Care Fac 564 218 -
Gibbsville Reformed Church 558 28 -
Trinity Lutheran Ch 550 6 -
St Paul Lutheran Early Childhood Center & Church 540 18 -
Plymouth Rock Resort Pool 1 516 9 -
Plymouth Rock Resort Main Well 516 12 -
Plymouth Rock Resort Pool 3 516 0 -
Plymouth Rock Resort Pool 2 516 12 -
Plymouth Rock Resort 600 Area Well 516 0 -
Adell Waterworks 510 202 -
Rstore #4518 504 2 -
Waldo Waterworks 500 11 -
Hingham Church 500 26 -
Road America Center Well 468 3 -
Road America Office North Well 468 11 -
Road America Paddock South Well 468 8 -
Road America Vip Building Well 468 14 -
Road America Restroom & Showers Well 468 6 -
Road America Go Cart Campground Well 468 3 -
Road America Turn 7 Well 468 0 -
Road America Turn 3 Well 468 0 -
Road America Turn 4 Well 468 0 -
Road America Midway Restroom Well 468 0 -
Road America Turn 6 Well 468 0 -
Glenbeulah Waterworks 461 138 -
Northview Elementary School 435 15 -
Johnsonville Countryside Complex 410 23 -
Aldrich Chemical Co 400 93 -
Howards Grove High School & District Office 360 99 -
Trinity Lutheran Ch 323 20 -
Road America Turn 1 Well 320 0 -
Our Lady of the Lakes-St Nicholas Chapel 253 29 -
Blackwolf Run Golf Rivers Course 250 10 -

Compare beyond Wisconsin

Lower-flagged peers for Sheboygan County

Cross-state counties nearest Sheboygan County on flagged-system share (72.6%) and cumulative violation count (5,035). 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
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.