Oconomowoc, Wisconsin Water Violations
75 water systems serve Oconomowoc, Wisconsin, providing drinking water to an estimated 29,227 people. These systems have 7 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.
Select a water system below to see its full violation history, lead and copper testing results, and compliance status.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| 7-Eleven 35845 | 103 | Groundwater | 3 | 2 over limit |
| Kennys | 27 | Groundwater | 2 | 2 over limit |
| Ewald Soccer Field Complex | 201 | Groundwater | 9 | |
| Lake Drive Water Trust | 500 | Groundwater | 3 | 1 over limit |
| Mapleway Bowl & Restaurant | 100 | Groundwater | 2 | 1 over limit |
| Holy Trinity Church & Learning Center | 505 | Groundwater | 9 | |
| Abundant Life Apostolic Church | 543 | Groundwater | 7 | |
| Millers Sandy Beach | 25 | Groundwater | 7 | |
| Oconomowoc Waterworks | 15,805 | Groundwater | 5 | |
| Sunnyfield Acres | 300 | Groundwater | 5 | |
| Genesee Lake School South | 230 | Groundwater | 5 | |
| Genesee Lake School North | 110 | Groundwater | 3 | |
| Oconomowoc Golf Club Restrooms | 54 | Groundwater | 3 | |
| Brown Street Market Place | 384 | Groundwater | 2 | |
| Rogers Mem Hosp - Main Hospital | 220 | Groundwater | 2 | |
| Kiltie Inc | 200 | Groundwater | 2 | |
| Olin-Sang-Ruby Union Institute - Dining Hall | 700 | Groundwater | 1 | |
| Dotties Home Bakery & Liquor | 567 | Groundwater | 1 | |
| Stone Bank School | 470 | Groundwater | 1 | |
| Brown Street Mall | 48 | Groundwater | 1 | |
| Rogers Mem Hosp - Delafield 16 Bed | 30 | Groundwater | 1 | |
| Rogers Mem Hosp - Delafield 8 Bed | 27 | Groundwater | 1 | |
| Silver Lake Auto Center | 26 | Groundwater | 1 | |
| Kwik Trip 360 Oconomowoc | 906 | Groundwater | 0 | none on record |
| Concord General Store | 807 | Groundwater | 0 | none on record |
| Cross Point Community Church | 764 | Groundwater | 0 | none on record |
| Olin-Sang-Ruby Union Institute - Main System | 704 | Groundwater | 0 | none on record |
| Olin-Sang-Ruby Union Institute - Bath House | 700 | Groundwater | 0 | none on record |
| Hope Lake Country Church | 511 | Groundwater | 0 | none on record |
| Lord of Life Lutheran Church | 302 | Groundwater | 0 | none on record |
| Lake Area Alano Club | 300 | Groundwater | 0 | none on record |
| Little Dumplings Early Learning Center | 258 | Groundwater | 0 | none on record |
| Grace Bible Church | 205 | Groundwater | 0 | none on record |
| White Stone Community Church | 144 | Groundwater | 0 | none on record |
| St Johns Lutheran Church | 126 | Groundwater | 0 | none on record |
| La Bell Golf Club | 120 | Groundwater | 0 | none on record |
| St Johns Evangelical Lutheran Church | 119 | Groundwater | 0 | none on record |
| Stolleys Hogg Alley | 108 | Groundwater | 0 | none on record |
| Associated Bank of Oconomowoc | 104 | Groundwater | 0 | none on record |
| Western Waukesha County Dog Training Club | 100 | Groundwater | 0 | none on record |
| Oconomowoc Lake Club | 100 | Groundwater | 0 | none on record |
| Lucky Chuckys Beach Bar and Grill | 95 | Groundwater | 0 | none on record |
| Angels Grace Hospice | 90 | Groundwater | 0 | none on record |
| The Happy Place | 79 | Groundwater | 0 | none on record |
| Kuhtz General Store | 78 | Groundwater | 0 | none on record |
| Emmanuel United Church of Christ | 77 | Groundwater | 0 | none on record |
| Bank Five Nine - Brown Street | 70 | Groundwater | 0 | none on record |
| Rogers Mem Hosp - Kubly | 61 | Groundwater | 0 | none on record |
| Rogers Mem Hosp - Cedar Ridge Main | 61 | Groundwater | 0 | none on record |
| Oconomowoc Retail Center | 60 | Groundwater | 0 | none on record |
| Hallett Veterinary Hospital | 57 | Groundwater | 0 | none on record |
| Oconomowoc Golf Club Clubhouse | 55 | Groundwater | 0 | none on record |
| Deertrak Golf Club | 54 | Groundwater | 0 | none on record |
| Kims Pizza Pub | 53 | Groundwater | 0 | none on record |
| Hideaway Bar & Grill | 53 | Groundwater | 0 | none on record |
| Faith Baptist Church - Oconomowoc | 52 | Groundwater | 0 | none on record |
| Private Party Inn | 50 | Groundwater | 0 | none on record |
| Panga Bar & Grill | 50 | Groundwater | 0 | none on record |
| Oconomowoc Lakes Plaza | 47 | Groundwater | 0 | none on record |
| Premold Corporation | 46 | Groundwater | 0 | none on record |
| Rogers Mem Hosp - Hrc | 45 | Groundwater | 0 | none on record |
| Brewfinity Brewing Co | 45 | Groundwater | 0 | none on record |
| Rogers Mem Hosp - Ladish Co Foundation Center | 40 | Groundwater | 0 | none on record |
| Caddy Shack | 36 | Groundwater | 0 | none on record |
| Lake Country Nissan | 35 | Groundwater | 0 | none on record |
| Hyundai Lake Country | 35 | Groundwater | 0 | none on record |
| Redemptorist Retreat Center | 34 | Groundwater | 0 | none on record |
| Oconomowoc Golf Course Maintenance Building | 32 | Groundwater | 0 | none on record |
| Oles | 31 | Groundwater | 0 | none on record |
| St Catherines Church | 27 | Groundwater | 0 | none on record |
| Golden Lake Pub | 26 | Groundwater | 0 | none on record |
| Olin-Sang-Ruby Union Institute - Pool Well | 25 | Groundwater | 0 | none on record |
| Paganica Golf Course | 25 | Groundwater | 0 | none on record |
| Oconomowoc Town Hall | 25 | Groundwater | 0 | none on record |
| Lake Country Trail - West | 25 | Groundwater | 0 | none on record |