 | Columbia South Shore Protection Zone | Defines the boundary of the Columbia South Shore Protection Zone | Boundary | 04/21/19 03:25 PM |
| | Water Bureau Work Orders | Points representing the location of work orders for the Portland Water Bureau. Attribute information includes the date, ID, type of work order, and other information. | Water Distribution System | 04/09/19 06:04 PM |
 | Water Pressure Zone | Location and attributes of the Pressure Zones created in the Water Distribution System to deliver water at acceptable pressures at different elevations. | Water Distribution System | 04/21/19 03:36 PM |