We found 303 public water systems in Milwaukee county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Milwaukee Waterworks | Milwaukee | 647,290 | 89 | 11 |
| West Allis Waterworks | West Allis | 63,240 | 45 | 5 |
| Mayfair Mall | County of Milwaukee | 50,500 | 0 | 0 |
| Wauwatosa Waterworks | Wauwatosa | 49,064 | 40 | 4 |
| North Shore Water Commission | Glendale | 35,598 | 0 | 10 |
| Oak Creek Waterworks | Oak Creek | 32,104 | 37 | 50 |
| Franklin Water Utility | Franklin | 22,500 | 42 | 38 |
| South Milwaukee Waterworks | South Milwaukee | 21,340 | 37 | 4 |
| Cudahy Waterworks | Cudahy | 18,659 | 38 | 35 |
| Whitefish Bay Waterworks | Whitefish Bay | 14,272 | 39 | 6 |
| Greendale Waterworks | Greendale | 14,046 | 80 | 5 |
| Shorewood Waterworks | Shorewood | 13,189 | 43 | 10 |
| Glendale Waterworks | Glendale | 12,883 | 40 | 1 |
| Brown Deer Waterworks | Brown Deer | 12,741 | 43 | 19 |
| Milwaukee County Grounds | West Allis | 9,936 | 41 | 14 |
| Fox Point Waterworks | Fox Point | 6,808 | 0 | 3 |
| Allis Chalmers Corporation | County of Milwaukee | 5,000 | 0 | 0 |
| Franklin Industrial Park | County of Milwaukee | 1,600 | 0 | 0 |
| Briggs And Stratton Corp | Wauwatosa | 1,200 | 0 | 28 |
| Franklin Root River | County of Milwaukee | 1,200 | 0 | 0 |
| Robert William Park Water Association | Butler | 1,065 | 0 | 16 |
| Sendiks | Bayside | 982 | 0 | 0 |
| We Energies 3 | Bayside | 863 | 0 | 0 |
| St James Congregation | County of Milwaukee | 803 | 0 | 0 |
| University School Of Milw Ls Ms 1 | Milwaukee | 700 | 0 | 3 |
| Whitnall Edge Subdivision | County of Milwaukee | 700 | 0 | 0 |
| We Energies 3 - Bayside Woods Water Trust | County of Milwaukee | 629 | 0 | 0 |
| Cedar Hills | County of Milwaukee | 560 | 0 | 0 |
| Country Dale School | Franklin | 523 | 0 | 6 |
| Cupid Restaurant | County of Milwaukee | 500 | 0 | 0 |
| Hales Corners Elementary | County of Milwaukee | 500 | 0 | 0 |
| Country Gate Apartments | County of Milwaukee | 450 | 0 | 0 |
| Bayside Middle School | Bayside | 450 | 0 | 0 |
| Forest Park School | County of Milwaukee | 425 | 0 | 0 |
| St Johns Ev Lutheran Church Oak Creek | Oak Creek | 400 | 0 | 5 |
| Hales Happiness Subdivision | Hales Corners | 400 | 0 | 20 |
| University School Of Milw Us 2 New Well | Milwaukee | 400 | 0 | 3 |
| Security Acres Addition | County of Milwaukee | 400 | 0 | 0 |
| Franklin Rawson Homes | County of Milwaukee | 400 | 0 | 0 |
| 41 Twin Outdoor Theater North | County of Milwaukee | 400 | 0 | 0 |
| 41 Twin Outdoor Theater South | County of Milwaukee | 400 | 0 | 0 |
| Pleasant View School | County of Milwaukee | 391 | 0 | 0 |
| Security Acres Subd | County of Milwaukee | 360 | 0 | 0 |
| Oakview Subd 3 | County of Milwaukee | 350 | 0 | 0 |
| Hales Corners Lutheran Church | County of Milwaukee | 350 | 0 | 0 |
| St Pauls Lutheran School | County of Milwaukee | 335 | 0 | 0 |
| Milwaukee Country Club Clubhouse | Milwaukee | 320 | 0 | 5 |
| Milwaukee Country Club Tennis Bldg | Milwaukee | 320 | 0 | 0 |
| Hales Corners Park | County of Milwaukee | 315 | 0 | 0 |
| Mulligans Irish Pub & Grill | Franklin | 312 | 0 | 3 |
| Whitnall Park Golf Course Clubhouse | Hales Corners | 308 | 0 | 2 |
| On The Border | Franklin | 303 | 0 | 8 |
| St Martin Of Tours Cong & School | Franklin | 300 | 0 | 97 |
| Speak Easy | Bayside | 300 | 0 | 5 |
| Town & Country | County of Milwaukee | 300 | 0 | 0 |
| Era Plaza | County of Milwaukee | 300 | 0 | 0 |
| We Energies 2 | Bayside | 290 | 0 | 0 |
| Ogden Center | County of Milwaukee | 275 | 0 | 0 |
| Franklin Estates | County of Milwaukee | 260 | 0 | 0 |
| New Life Community Church | Milwaukee | 253 | 0 | 2 |
| Hill Point Church | Milwaukee | 252 | 0 | 8 |
| XPO LOGISTICS | Franklin | 232 | 0 | 3 |
| Milw Co House Corrections Trng & Plcmnt | County of Milwaukee | 220 | 0 | 0 |
| Emanuel United Church Of Christ | Hales Corners | 218 | 0 | 7 |
| Rock Sports Complex | Franklin | 215 | 0 | 10 |
| Whitnall Park Golf Service Building | Hales Corners | 210 | 0 | 2 |
| South Woods Of Cudahy | Cudahy | 205 | 0 | 0 |
| St Johns Evang Lutheran Chur | County of Milwaukee | 205 | 0 | 0 |
| Country Lanes | Franklin | 203 | 0 | 11 |
| All Saints Lutheran Church | County of Milwaukee | 203 | 0 | 0 |
| Monaco Heights Subdivision | County of Milwaukee | 202 | 0 | 0 |
| Indian Hill School | Milwaukee | 200 | 0 | 55 |
| Pryor Ave Iron Well | Milwaukee | 200 | 0 | 1 |
| Whitnall Garden Apartments | Hales Corners | 200 | 0 | 14 |
| Howell Avenue Estates | County of Milwaukee | 200 | 0 | 0 |
| Forest Place Apartments | County of Milwaukee | 200 | 0 | 0 |
| Clark Oil Stn #611 S 108th St | County of Milwaukee | 200 | 0 | 0 |
| Franklin Village | County of Milwaukee | 200 | 0 | 0 |
| Franklin Mobile Llc 2 | Franklin | 192 | 0 | 0 |
| Emanuel Bne Jeshrun Center | River Hills | 178 | 0 | 5 |
| Tcf Bank | Bayside | 175 | 0 | 32 |
| Whitnall Park Arboretum | County of Milwaukee | 165 | 0 | 0 |
| Wehr Nature Center | Franklin | 160 | 0 | 1 |
| Wisconsin Country Club Tee 5 | Milwaukee | 155 | 0 | 2 |
| Open Pantry | Milwaukee | 154 | 0 | 8 |
| St Christophers Episcopal Ch | River Hills | 153 | 0 | 3 |
| S N R Petroleum | County of Milwaukee | 152 | 0 | 0 |
| Badger Mobile Home Park | County of Milwaukee | 150 | 0 | 0 |
| Oakwood Park Golf Course | Franklin | 142 | 0 | 3 |
| Schlitz Audubon Nature Center | Bayside | 125 | 0 | 2 |
| Mark Building, The | County of Milwaukee | 125 | 0 | 0 |
| Wildenbergs Mobile Home Park | County of Milwaukee | 125 | 0 | 0 |
| Port Washington Country Club | County of Milwaukee | 125 | 0 | 0 |
| Northway Water Coop 2 | Bayside | 120 | 0 | 0 |
| We Energies 4 - Windsor Estates | Milwaukee | 120 | 0 | 0 |
| Franklin Mobile Llc 3 | Franklin | 118 | 0 | 0 |
| Whitnall Park Office Building Llc | Hales Corners | 110 | 0 | 0 |
| Park Community Church | County of Milwaukee | 106 | 0 | 0 |
| Embassy Motel | Franklin | 105 | 0 | 0 |
| Fedex | Franklin | 105 | 0 | 0 |
| Four Angels Restaurant | Franklin | 104 | 0 | 0 |
| Bowery Bar | Franklin | 104 | 0 | 0 |
| The Shul | Bayside | 103 | 0 | 0 |
| Milwaukee Country Club Tennis Building | Milwaukee | 102 | 0 | 0 |
| Brown Deer Park Comfort Station | Milwaukee | 100 | 0 | 0 |
| Tri County Baptist Church | Franklin | 100 | 0 | 0 |
| Falk Park Well | Oak Creek | 100 | 0 | 0 |
| Fifth Avenue Mobile Home Pk | County of Milwaukee | 100 | 0 | 0 |
| Omega Family Restaurant | County of Milwaukee | 100 | 0 | 0 |
| Whitnall Medical Bldg | County of Milwaukee | 100 | 0 | 0 |
| Forest View Medical Building | County of Milwaukee | 100 | 0 | 0 |
| Timbers Restaurant | County of Milwaukee | 100 | 0 | 0 |
| Oak Creek Community United Methodist | County of Milwaukee | 100 | 0 | 0 |
| Childrens World Learning Ctr | County of Milwaukee | 100 | 0 | 0 |
| Whitnall Park Golf Tee 5 | Hales Corners | 100 | 0 | 0 |
| Kohls Food Store | County of Milwaukee | 100 | 0 | 0 |
| First Baptist Church Oak Creek | County of Milwaukee | 100 | 0 | 0 |
| Brynwood Country Club Tee 17 | County of Milwaukee | 100 | 0 | 0 |
| Waste Management Southeast Wisconsin | Franklin | 99 | 0 | 0 |
| Tuckaway Country Club | County of Milwaukee | 95 | 0 | 0 |
| Willies Sports & Spirits | County of Milwaukee | 84 | 0 | 0 |
| Oakwood Manor Apartments | County of Milwaukee | 80 | 0 | 0 |
| Limit Bar, The | County of Milwaukee | 80 | 0 | 0 |
| La Toscana | Franklin | 79 | 0 | 0 |
| Four Seasons Family Restaurant | County of Milwaukee | 77 | 0 | 0 |
| Untouchables The | County of Milwaukee | 76 | 0 | 0 |
| Whitnall Park Lutheran Church | Hales Corners | 75 | 0 | 0 |
| Meinzer Pharmacy | County of Milwaukee | 75 | 0 | 0 |
| Dreamland Investments | County of Milwaukee | 75 | 0 | 0 |
| Hiller Ford Inc | County of Milwaukee | 75 | 0 | 0 |
| Doucas Oldsmobile | County of Milwaukee | 75 | 0 | 0 |
| Park Hills West | County of Milwaukee | 74 | 0 | 0 |
| Rawson Pub | Franklin | 65 | 0 | 0 |
| Healthwise Chiropractic | Hales Corners | 62 | 0 | 0 |
| Welcome Inn | County of Milwaukee | 62 | 0 | 0 |
| We Energies 3 - Bayside Village Apartments | County of Milwaukee | 60 | 0 | 0 |
| Postal Plaza Post Office | County of Milwaukee | 60 | 0 | 0 |
| Stoneridge Inn | Hales Corners | 58 | 0 | 0 |
| Daniel J Katz Building | Bayside | 55 | 0 | 0 |
| Mid America Steel Drum Inc | Oak Creek | 55 | 0 | 0 |
| Nicolo Cafe | County of Milwaukee | 55 | 0 | 0 |
| Nicolo Cafe | County of Milwaukee | 54 | 0 | 0 |
| Park Motel | Franklin | 52 | 0 | 0 |
| Woodland Golf Course | Oak Creek | 52 | 0 | 0 |
| Romeys Place | Franklin | 51 | 0 | 0 |
| Skyway Motel | Franklin | 50 | 0 | 0 |
| Swiss Street Pub & Grill | Franklin | 50 | 0 | 0 |
| The Landmark Franklin | Franklin | 50 | 0 | 0 |
| Hideaway Pub & Eatery | Franklin | 50 | 0 | 0 |
| Buckhorn Inn | Franklin | 50 | 0 | 0 |
| Croatian Park | Franklin | 50 | 0 | 0 |
| Meadows Condominiums Assoc Ltd | Franklin | 50 | 0 | 0 |
| Tri City National Bank | County of Milwaukee | 50 | 0 | 0 |
| Bernies | County of Milwaukee | 50 | 0 | 0 |
| Anns Italian Restaurant | County of Milwaukee | 50 | 0 | 0 |
| Franklin City Hall | County of Milwaukee | 50 | 0 | 0 |
| Jerrys Midtown | County of Milwaukee | 50 | 0 | 0 |
| Group Ii Communications Ofc Bldg | County of Milwaukee | 50 | 0 | 0 |
| Cellar, The | County of Milwaukee | 50 | 0 | 0 |
| Norines On Oakwood | County of Milwaukee | 50 | 0 | 0 |
| Columns Restaurant, The | County of Milwaukee | 50 | 0 | 0 |
| Beatties Restaurant | County of Milwaukee | 50 | 0 | 0 |
| Faith United Presbyterian Church | County of Milwaukee | 50 | 0 | 0 |
| Butchs On Twenty Seventh | County of Milwaukee | 50 | 0 | 0 |
| Country Castle | County of Milwaukee | 50 | 0 | 0 |
| Heritage Savings | County of Milwaukee | 50 | 0 | 0 |
| A & W Hales Corners | County of Milwaukee | 50 | 0 | 0 |
| Open Pantry | County of Milwaukee | 50 | 0 | 0 |
| Hales Corners Shopping Center | County of Milwaukee | 50 | 0 | 0 |
| St Martins Of Tours Congregation Church | County of Milwaukee | 50 | 0 | 0 |
| Hale Park Professional Building | Hales Corners | 48 | 0 | 0 |
| U S Bank-bayside | Bayside | 47 | 0 | 0 |
| River Hills Village Hall | Milwaukee | 46 | 0 | 0 |
| Wi Electric Power Co Hales Corners | County of Milwaukee | 46 | 0 | 0 |
| Gordie Boucher Lincoln Mercury | County of Milwaukee | 44 | 0 | 0 |
| Bayside Village Hall | Bayside | 43 | 0 | 0 |
| Chicago & Illinois River Marketing Llc | Milwaukee | 40 | 0 | 0 |
| Metro Recycling & Disposal Facility | Franklin | 37 | 0 | 0 |
| Plaza Motel | Franklin | 34 | 0 | 0 |
| Modern 41 Motel | Franklin | 32 | 0 | 0 |
| Knotty Pine Motel | Franklin | 32 | 0 | 0 |
| Great Midwest Bank Ssb | Bayside | 31 | 0 | 0 |
| Ellsworth Pavilion | Bayside | 30 | 0 | 0 |
| Menomonee River Parkway Comfort House | Milwaukee | 30 | 0 | 0 |
| Ross Lodge | Hales Corners | 30 | 0 | 0 |
| Park Manor Apts | County of Milwaukee | 30 | 0 | 0 |
| Village Park Apartments | County of Milwaukee | 30 | 0 | 0 |
| Bayside Village Community Ctr | County of Milwaukee | 30 | 0 | 0 |
| Btl Pallet Corp | Franklin | 30 | 0 | 0 |
| Bayside Service Llc | Bayside | 29 | 0 | 0 |
| Sandra's On The Park | Hales Corners | 28 | 0 | 0 |
| The Irish Cottage | Franklin | 27 | 0 | 0 |
| River Tennis Club | River Hills | 27 | 0 | 0 |
| Michaelangelos | Franklin | 27 | 0 | 0 |
| Polonia Sports Club | Franklin | 27 | 0 | 0 |
| Northway Water Coop 1 | County of Milwaukee | 27 | 0 | 0 |
| Liskas Auto Service | County of Milwaukee | 27 | 0 | 0 |
| Harvest Community Church | County of Milwaukee | 27 | 0 | 0 |
| Ricks On Rawson | County of Milwaukee | 27 | 0 | 0 |
| Jai Beru Llc | Franklin | 26 | 0 | 0 |
| Bender Park | Oak Creek | 26 | 0 | 0 |
| Travelers Motel | Franklin | 25 | 0 | 0 |
| Schlitz Audubon Center -pavilion Bathrooms | Milwaukee | 25 | 0 | 0 |
| Crossroads Ii Pizza | Franklin | 25 | 0 | 0 |
| St Johns Ev Luth School Oak Creek | Oak Creek | 25 | 0 | 0 |
| Whitnall View Motel | Franklin | 25 | 0 | 0 |
| Sunrise Motel | Franklin | 25 | 0 | 0 |
| St Martins Inn | Franklin | 25 | 0 | 0 |
| Midwest Twisters | Franklin | 25 | 0 | 0 |
| Froeming Park | Franklin | 25 | 0 | 0 |
| El Rancho Motel | Franklin | 25 | 0 | 0 |
| Mimosas | Franklin | 25 | 0 | 0 |
| Santa Monica Subdivision | County of Milwaukee | 25 | 0 | 0 |
| Forest Meadows | County of Milwaukee | 25 | 0 | 0 |
| Milw Co House Corrections Support Facilities | County of Milwaukee | 25 | 0 | 0 |
| Audubon Health Care Center | County of Milwaukee | 25 | 0 | 0 |
| Hales Villa Apt | County of Milwaukee | 25 | 0 | 0 |
| Mary Ann Dr Home Owners Asso | County of Milwaukee | 25 | 0 | 0 |
| Acre Avenue Water Trust | County of Milwaukee | 25 | 0 | 0 |
| Village Brooke Condominiums | County of Milwaukee | 25 | 0 | 0 |
| Mcdonalds Hales Corners | County of Milwaukee | 25 | 0 | 0 |
| Johns Spur | County of Milwaukee | 25 | 0 | 0 |
| Holz Motors Inc | County of Milwaukee | 25 | 0 | 0 |
| Poppers | County of Milwaukee | 25 | 0 | 0 |
| Bayside Standard | County of Milwaukee | 25 | 0 | 0 |
| Kentucky Fried Chicken | County of Milwaukee | 25 | 0 | 0 |
| Less Glass | County of Milwaukee | 25 | 0 | 0 |
| Cliffords | County of Milwaukee | 25 | 0 | 0 |
| Baker Enterprises Forest Home Prop | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners State Bank | County of Milwaukee | 25 | 0 | 0 |
| Franklin High School | County of Milwaukee | 25 | 0 | 0 |
| Dolly Madison Cakes | County of Milwaukee | 25 | 0 | 0 |
| Silver Dollar Saloon | County of Milwaukee | 25 | 0 | 0 |
| Tri City National Bank Ryan Rd Ofc | County of Milwaukee | 25 | 0 | 0 |
| Kentucky Fried Chicken | County of Milwaukee | 25 | 0 | 0 |
| Franks Oak Creek Service | County of Milwaukee | 25 | 0 | 0 |
| Klondike Tap | County of Milwaukee | 25 | 0 | 0 |
| Rogers Voline Service | County of Milwaukee | 25 | 0 | 0 |
| Pryor Avenue Original Iron Well | County of Milwaukee | 25 | 0 | 0 |
| Blossom Heath 2 | County of Milwaukee | 25 | 0 | 0 |
| Town View Water Coop | County of Milwaukee | 25 | 0 | 0 |
| Hale Brooke Apts | County of Milwaukee | 25 | 0 | 0 |
| Cozy Circle Motel | County of Milwaukee | 25 | 0 | 0 |
| Merrill Lynch Realty | County of Milwaukee | 25 | 0 | 0 |
| Lach Rental Units | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners Public Library 107th St | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners Bowl Vacant Bldg | County of Milwaukee | 25 | 0 | 0 |
| Dollys Villa Vista Motel | County of Milwaukee | 25 | 0 | 0 |
| Rafters Restaurant | County of Milwaukee | 25 | 0 | 0 |
| Lake Shore Club Of Bayside | County of Milwaukee | 25 | 0 | 0 |
| Hale Park Lumber & Millwork | County of Milwaukee | 25 | 0 | 0 |
| Milwaukee Messenger | County of Milwaukee | 25 | 0 | 0 |
| Burmeister Woodwork | County of Milwaukee | 25 | 0 | 0 |
| Tiffanys In Hales Corners | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners Dental Center | County of Milwaukee | 25 | 0 | 0 |
| Bayside Building - Sports Medicine Clini | County of Milwaukee | 25 | 0 | 0 |
| Quad Graphics | County of Milwaukee | 25 | 0 | 0 |
| Annies Place | County of Milwaukee | 25 | 0 | 0 |
| Pine View Motel | County of Milwaukee | 25 | 0 | 0 |
| China Inn Restaurant | County of Milwaukee | 25 | 0 | 0 |
| Tru Green | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners Village Hall | County of Milwaukee | 25 | 0 | 0 |
| Lincoln Memorial Cemetery | County of Milwaukee | 25 | 0 | 0 |
| Y M C A SOUTHWEST SUBURBAN BRANCH | County of Milwaukee | 25 | 0 | 0 |
| Edgerton Elementary School | County of Milwaukee | 25 | 0 | 0 |
| W E M P W N U W Radio Station | County of Milwaukee | 25 | 0 | 0 |
| Wisconsin Avenue Park | County of Milwaukee | 25 | 0 | 0 |
| Rainbow Airport Inc | County of Milwaukee | 25 | 0 | 0 |
| Union 76 | County of Milwaukee | 25 | 0 | 0 |
| Messiah Lutheran Church Parsonage | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners Phillips 66 | County of Milwaukee | 25 | 0 | 0 |
| Kletzsch Park Picnic Area 5 | County of Milwaukee | 25 | 0 | 0 |
| Hales Corners Speedway - Recreation Park | County of Milwaukee | 25 | 0 | 0 |
| Acre Estates South | County of Milwaukee | 25 | 0 | 0 |
| 42nd Street Well Owners | County of Milwaukee | 25 | 0 | 0 |
| Franklin East | County of Milwaukee | 25 | 0 | 0 |
| Jcc Family Park Of Milwaukee | County of Milwaukee | 25 | 0 | 0 |
| American Motel | County of Milwaukee | 25 | 0 | 0 |
| House Of Prayer Lutheran Church | County of Milwaukee | 25 | 0 | 0 |
| Salvos Service Station | County of Milwaukee | 25 | 0 | 0 |
| Union 76 Quik Mart | County of Milwaukee | 25 | 0 | 0 |
| Golden Basket | County of Milwaukee | 25 | 0 | 0 |
| La Chapelles | County of Milwaukee | 25 | 0 | 0 |
| V & K T Mart | County of Milwaukee | 25 | 0 | 0 |
| Boy Blue Store | County of Milwaukee | 25 | 0 | 0 |
| Golden Key Motel | County of Milwaukee | 25 | 0 | 0 |
| Jerrys 9 Mile Inn Private Residence | County of Milwaukee | 25 | 0 | 0 |
| Oakhills Golf Club | County of Milwaukee | 25 | 0 | 0 |
| Twi Lite Motel | County of Milwaukee | 25 | 0 | 0 |
| Woodlawn Motel | County of Milwaukee | 25 | 0 | 0 |
| Root River Center | County of Milwaukee | 25 | 0 | 0 |
| Greenfield Park | County of Milwaukee | 25 | 0 | 0 |
| Priests Of The Sacred Heart | County of Milwaukee | 25 | 0 | 0 |
| Milwaukee Gun Club | County of Milwaukee | 25 | 0 | 0 |
| Dreamland Village Apartments | County of Milwaukee | 25 | 0 | 0 |
| Grange Meadows Water Trust | County of Milwaukee | 25 | 0 | 0 |
| Blossom Heath 1 | Hales Corners | 15 | 0 | 0 |
| Oakwood Discovery Stage | Franklin | 9 | 0 | 0 |
| General Mitchell Iap Ang | Milwaukee | 5 | 0 | 0 |
| We Energies 3 - Bayside Senior Housing | County of Milwaukee | 0 | 0 | 0 |
| Vista Del Mar | Bayside | 0 | 0 | 0 |
| Franklin Mobile Llc 1 | Franklin | 0 | 0 | 0 |
| Ben Franklin School | County of Milwaukee | 0 | 0 | 0 |