| Well 6 | Near West | - University of Wisconsin campus area
- Regent, Dudgeon-Monroe, Vilas, and Greenbush
|
| Well 7 | North, Near East | - Village of Maple Bluff
- Sherman, Sheridan Triangle, and Maple Wood
- Tenney-Lapham and Marquette
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| Well 8* | Near East | - Schenk-Atwood-Starkweather-Yahara
- Marquette (east of the Yahara River)
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| Well 9 | East, Southeast | - Eastmorland, Lake Edge, and Glendale
- All neighborhoods south of Pflaum Road
|
| Well 11 | East | - Emerson East, Eken Park, Carpenter-Ridgeway, Hawthorne, and Worthington Park
- Schenk-Atwood-Starkweather-Yahara
- Marquette (east of the Yahara River)
- Eastmorland, Mayfair Park, Burke Heights, Rolling Meadows, Hiestand, Elvehjem, and East Buckeye
|
| Well 12 | West | - Sunset Village, Sunset Hills, Radio Park
- Westmorland, Nakoma, Midvale Heights
- Glen Oak Hills, Hill Farms, Faircrest
- Park Ridge, Greentree, Orchard Ridge, Prairie Hills, Meadowood, Glacier Ridge, and Country Grove
- Summit Woods, Allied Dunn's Marsh, Arbor Hills
|
| Well 13 | North | - West of Packers Avenue, north of Warner Park
- Berkley Oaks, Sherman, Brentwood Village
|
| Well 14 | West | - Spring Harbor, Glen Oak Hills, Hill Farms
- Sunset Village, Sunset Hills, Westmorland
- Regent, Dudgeon-Monroe, Vilas, and Greenbush
- Village of Shorewood Hills
- University of Wisconsin campus area
|
| Well 15 | East, Northeast | Note: This well has been taken out of service. - E. Washington corridor (Yahara River to I-90/94)
- Emerson East, Eken Park, Carpenter-Ridgeway
- Bluff Acres, Mayfair Park, Westchester Gardens
|
| Well 16 | West | - North of Odana Road between Rosa Road and High Point Road
|
| Well 17* | Central | - Downtown and Capitol areas between Park Street and Blair Street
|
| Well 18 | South | - Park Street-Fish Hatchery Road corridor
- Vilas, Greenbush, and Bay Creek
|
| Well 19 | Near West | - University of Wisconsin campus
- State-Langdon and Regent neighborhoods
|
| Well 20 | Southwest | - South of Raymond Road
- Allied Dunn's Marsh, Nakoma, Arbor Hills
|
| Well 24 | Central, Near East | - Central and Isthmus neighborhoods between Park Street and the Yahara River
|
| Well 25 | Far East | - Ridgewood, Hiestand, Rolling Meadows, Heritage Heights, and Elvehjem
- McClellan Park, Richmond Hills, Sprecher East
|
| Well 26 | Far West | - West of Gammon Rd, south of Mineral Point Rd
- Seasonally, most areas west of Rosa Rd
|
| Well 27 | Near West | - South of the University of Wisconsin campus
- Vilas and Greenbush
|
| Well 28 | Far West | - North of Mineral Point Rd, west of Gammon Rd
|
| Well 29 | Far East | - East of E Washington Ave and Stoughton Rd, north of Commercial Ave
- Mayfair Park, Burke Heights, Hiestand, Rolling Meadows, High Crossing, and Bluff Acres
|
| Well 30 | South | - East of Park St, south of W. Washington Ave
- Bridge-Lakepoint, Waunona, Moorland-Rimrock, Highland Manor, Indian Springs, Capitol View Heights, Bram's Addition, and Bay Creek
- Vilas, Greenbush, and Monona Bay
|
| Well 31 | South East | - Border with the Village of McFarland extending northward to approximately Pflaum Road
|
