| Business | Phone |
| Black Hawk City Water Plant 2189 Idaho Springs E Rd, Idaho Springs 80452 | (303) 567-0510 |
| Idaho Springs City Shop 200 W Colorado Blvd, Idaho Springs 80452 | (303) 567-2400 |
| Idaho Springs Water Plant 3406 Chicago Creek Rd, Idaho Springs 80452 | (303) 567-4074 |
| Sewer Plant 980 County Road 314, Idaho Springs 80452 | (303) 567-2130 |