| Business | Phone |
| Detroit Water & Sewerage 2727 2nd Ave, Detroit 48201 | (313) 965-4801 |
| Detroit Water & Sewerage 11000 E 8 Mile Rd, Detroit 48205 | (313) 245-9530 |
| Detroit Water & Sewerage 3501 Chene St, Detroit 48207 | (313) 833-8016 |
| Detroit Water & Sewerage 303 S Livernois Ave, Detroit 48209 | (313) 554-3460 |
| Detroit Water & Sewerage 6425 Huber St, Detroit 48211 | (313) 922-7050 |
| Detroit Water & Sewerage 10100 E Jefferson Ave, Detroit 48214 | (313) 926-8100 |
| Detroit Water & Sewerage 65 Cadillac Sq, Detroit 48226 | (313) 965-1880 |
| Detroit Sewer Dept 735 Randolph St, Detroit 48226 | (313) 964-9000 |
| Detroit Water & Sewerage 400 Monroe St 700, Detroit 48226 | (313) 964-2590 |
| Detroit Water & Sewage 2701 E 7 Mile Rd, Detroit 48234 | (313) 369-2017 |