Active Fire Hydrant (3)
| Normal Hydrant |
| Private Hydrant |
Stormwater Manhole (6)
| Unknown |
| State, County, etc. |
| Private |
| City of Billings |
| City of Billings (Grate) |
Stormwater Inlet (7)
| Inlet - Other/Unknown |
| Inlet - Private |
| Inlet - State, County, etc. |
| Inlet - COB Other/Unknown |
| Inlet - COB Type I |
| Inlet - COB Type II |
| Inlet - COB Type III |
| Inlet - COB Type IV |
| <all other values> |
Stormwater Gravity Main (8)
| Mains - Other Unknown |
| Mains - State, County, Etc. |
| Other/Unknown Mains - COB |
| Service Main - COB |
| Inlet Mains - COB |
| Interior Mains 12" and Less - COB |
| Local Mains >12" and < 36" - COB |
| System Mains 36" and Larger - COB |
Water Main (9)
| Distribution |
| Transmission |
|