By February 1 of each year, we'll update all growing area risk categories. We use a rolling five-year average of vibriosis cases to calculate risk categories.
Category 1: 0.2 or fewer cases attributed to the growing area.
Category 2: 0.3 to 1 cases attributed to the growing area.
Category 3: 1 or more cases attributed to the growing area.
| Growing Area Name | 2024 Risk Category |
| Alden Bank | 1 |
| Anderson Island | 1 |
| Annas Bay | 1 |
| Bainbridge South | 1 |
| Bay Center | 1 |
| Birch Bay | 1 |
| Blake Island | 1 |
| Bruceport | 3 |
| Buck Bay | 1 |
| Burley Lagoon | 1 |
| Cedar River | 1 |
| Colvos Passage | 1 |
| Dabob Bay | 1 |
| Dana Passage | 1 |
| Discovery Bay | 1 |
| Drayton Harbor | 1 |
| Drayton Passage | 1 |
| Dungeness Bay | 1 |
| Dyes Inlet | 1 |
| East Passage | 1 |
| East Sound | 1 |
| East Straits | 1 |
| Eld Inlet | 1 |
| Eliza Island | 1 |
| Filucy Bay | 1 |
| Fox Island | 1 |
| Grays Harbor | 1 |
| Hammersley Inlet | 3 |
| Harstine East | 1 |
| Henderson Bay | 3 |
| Henderson Inlet | 1 |
| Holmes Harbor | 1 |
| Hood Canal #1 | 2 |
| Hood Canal #2 | 1 |
| Hood Canal #3 | 1 |
| Hood Canal #4 | 2 |
| Hood Canal #5 | 1 |
| Hood Canal #6 | 2 |
| Hood Canal #7 | 1 |
| Hood Canal #8 | 1 |
| Hood Canal #9 | 1 |
| Hunter Bay | 1 |
| Jamestown | 1 |
| Kilisut Harbor | 1 |
| Kingston | 1 |
| Lemolo | 1 |
| Liberty Bay | 1 |
| Lummi Bay | 1 |
| Lummi Island | 1 |
| Mackaye Harbor | 1 |
| Mats Mats Bay | 1 |
| Mud Bay | 1 |
| Mystery Bay | 1 |
| Nahcotta | 1 |
| Naselle River | 1 |
| Neah Bay | 1 |
| Nemah River | 1 |
| Nisqually Reach | 1 |
| North Bay | 1 |
| North River | 1 |
| Oak Bay | 1 |
| Oakland Bay | 2 |
| Oro Bay | 1 |
| Pacific Coast | 1 |
| Padilla Bay | 1 |
| Peale Passage | 1 |
| Penn Cove | 1 |
| Penrose Point | 1 |
| Pickering Passage | 3 |
| Point Partridge | 1 |
| Port Blakely | 1 |
| Port Gamble | 1 |
| Port Madison | 1 |
| Port Orchard Passage | 1 |
| Port Susan | 1 |
| Port Townsend | 1 |
| Portage Bay | 1 |
| Possession Sound | 1 |
| Poverty Bay | 1 |
| Protection Island | 1 |
| Quartermaster Harbor | 1 |
| Quilcene Bay | 1 |
| Reach Island | 3 |
| Rocky Bay | 1 |
| Samish Bay | 3 |
| Saratoga passage | 1 |
| Sequim Bay | 1 |
| Shoal Bay | 1 |
| Similk Bay | 2 |
| Skookum Inlet | 2 |
| South Skagit Bay | 1 |
| Southwest Whidbey Island | 1 |
| Stony Point | 2 |
| Stretch Island | 1 |
| Swinomish | 1 |
| Totten Inlet | 3 |
| Upright Channel | 1 |
| Vaughn Bay | 1 |
| West Key Peninsula | 1 |
| West Straits | 1 |
| Westcott Bay | 1 |
| Wyckoff Shoal | 1 |
| Yukon Harbor | 1 |