| Location ID | Location Name | Type | Latitude | Longitude | MaxDepth | Last Year Collected |
| CMB003 | Commencement Bay - Browns Point | Core | 47.2900055881453 | -122.448314837135 | 146 m | 2018 |
| CMB006 | Commencement Bay - Mouth of City WW | Rotating | 47.261675587899 | -122.436714828644 | 13 m | 2010 |
| DYE004 | Dyes Inlet - NE of Chico Bay | Rotating | 47.623335579294 | -122.688314954487 | 32 m | 2011 |
| EAG001 | Eagle Harbor - Inner | Rotating | 47.6217055975243 | -122.521714927621 | 15 m | 2012 |
| EAP001 | East Passage - Southwest of Three Tree Point | Core | 47.4166756022968 | -122.380014856099 | 199 m | 2018 |
| ELB015 | Elliott Bay - East of Duwamish Head | Core | 47.5966700009392 | -122.3683 | 73 m | 2018 |
| OCH014 | Port Orchard Channel ? South of Point Bolin; Collias site OCHC14 | Core | 47.673333 | -122.59333 | 20 m | |
| PGA001 | Port Gamble - Inner Harbor | Rotating | 47.8400056023092 | -122.580014989794 | 20 m | 2012 |
| PMA001 | Port Madison - South of Buoy 65 | Rotating | 47.735005602095 | -122.533314956811 | 31 m | 2012 |
| POD007 | Port Orchard - Inner | Rotating | 47.7333055891357 | -122.650014974974 | 5 m | 2004 |
| PSB003 | Puget Sound Main Basin - West Point | Core | 47.6600056083036 | -122.441714924066 | 44 m | 2018 |
| QMH002 | Quartermaster Harbor - Inner Harbor | Rotating | 47.3967055945131 | -122.441714861224 | 9 m | 2010 |
| SIN001 | Sinclair Inlet - Naval Shipyards | Core | 47.5500055806419 | -122.641714929501 | 15 m | 2017 |