| Business | Phone |
| Bedford Park Water Dept 6535 S Central Ave, Chicago 60638 | (708) 458-6026 |
| Chicago Water District Central 2350 S Ashland Ave, Chicago 60608 | (312) 746-5200 |
| Chicago Water District North 3826 W Wabansia Ave, Chicago 60647 | (312) 744-5048 |
| Chicago Water District South 7521 S Western Ave, Chicago 60620 | (312) 747-6800 |