PlainWater

Green Lake County, Wisconsin

SDWIS compliance plate

Sheet WI047 · Green Lake County 71 sys · 1,172 viol · #2031/3254

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

  • VIOL-SEVERE 83.1% flagged
  • HEALTH-MID 23.5% health
  • RANK-LOWER #2031/3254
  • PHOTO-FINISH ±0.3 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-MID 71 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Oconto County ( -0.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Green Lake County ranks #2,031 of 3,254 counties by people served, and #52 of 71 counties in Wisconsin. See methodology · corpus placement.

Green Lake County standing, lower-flagged corpus third

Flagged-system rate 83.1% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 23.5% is health-based share in the middle 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 #2,031 of 3,254 · #52 of 71 in Wisconsin.

Flagged-rate neighbourhood around Green Lake County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest Racine · near Green Lake · this county Milwaukee · highest 52.1% 82.5% 82.6% 82.8% 83.1% 84.1% 95.3%

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

Water Systems

System Name Population Violations PFAS
Berlin Waterworks 5,524 86 Clean
Markesan Waterworks 1,365 3 -
Princeton Waterworks 1,166 98 -
Green Lake Waterworks 1,002 53 -
Amer Baptist Assem Main 640 81 -
All Saints Catholic Parish 302 9 -
Walkers Bar & Grill 302 8 -
Country Inn 252 14 -
Grand Valley Cmpgd Main 250 6 -
Lake View Inn 205 8 -
Christianos Pizza Green Lake 205 32 -
Zion Ev Lutheran Ch 201 24 -
St Marys Catholic Ch 150 9 -
St Pauls Lutheran Ch Manchester 130 5 -
Mascoutin Country Club Clubhouse 124 6 -
Station 44 115 17 -
Terrys Hitching Post 105 77 -
Green Lake Cmpgd K Section 100 8 -
Welks Landing East Well 100 15 -
Mascoutin Country Club Ice Machine 100 4 -
Green Lake Co Park Dodge Memorial 100 3 -
Terrace Shores Ch Youth Bldg 100 24 -
Kingdom Hall of Jev Witness 100 3 -
Terrace Shores Ev Free Ch 93 5 -
Old School Bar & Grill 85 22 -
Lamplighter Mhc LLC 80 19 -
St Pauls Ev Lutheran Ch 78 16 -
Millers Resort 77 0 -
Amer Baptist Assem Golf Snackery 77 18 -
Advocap Inc Headstart 75 23 -
Green Lake Cmpgd Store 75 15 -
Green Lake MHP 70 20 -
Shady Oaks Cmpgd Well Near Mgrs Trailer 70 0 -
Shady Oaks Cmpgd Well Near Front Gate 70 0 -
St Johns Ev Lutheran Ch 70 73 -
Center House 65 29 -
National Exchange Bank 59 1 -
Rivers End Resort - Old Well 57 25 -
Dalton Bible Church 55 8 -
Grand Fox Trailer Court 53 4 -
Kingston Town Hall & Senior Center 53 4 -
Valley Trail Recycling & Disposal 51 0 -
Reillys Pub 50 39 -
Faith Lutheran Church & School 50 25 -
Dartford Inn 50 8 -
Darling International 48 4 -
Sportsmans Resort and Bait & Tackle 40 5 -
Tucked Away Tavern 40 20 -
Grace Ev Lutheran Ch 37 11 -
Kingston Cheese Co-Op 36 8 -

Compare beyond Wisconsin

Lower-flagged peers for Green Lake County

Cross-state counties nearest Green Lake County on flagged-system share (83.1%) and cumulative violation count (1,172). 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.