Legend (environmental/River_Flooding)

Historical 5yr Inundation Depth Snohomish Basin (2) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 5yr Velocity Snohomish Basin (3) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 5yr Inundation Depth Stillaguamish Basin Mainstem (5) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 5yr Velocity Stillaguamish Basin Mainstem (6) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 5yr Inundation Depth Stillaguamish Basin North Fork (7) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 5yr Velocity Stillaguamish Basin North Fork (8) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 5yr Inundation Depth Snohomish Basin 2040 (11) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 5yr Velocity Snohomish Basin 2040 (12) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 5yr Inundation Depth Stillaguamish Basin Mainstem 2040 (14) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 5yr Velocity Stillaguamish Basin Mainstem 2040 (15) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 5yr Inundation Depth Stillaguamish Basin North Fork 2040 (16) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 5yr Velocity Stillaguamish Basin North Fork 2040 (17) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 5yr Inundation Depth Snohomish Basin 2080 (20) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 5yr Velocity Snohomish Basin 2080 (21) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 5yr Inundation Depth Stillaguamish Basin Mainstem 2080 (23) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 5yr Velocity Stillaguamish Basin Mainstem 2080 (24) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 5yr Inundation Depth Stillaguamish Basin North Fork 2080 (25) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 5yr Velocity Stillaguamish Basin North Fork 2080 (26) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 10yr Inundation Depth Snohomish Basin (29) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 10yr Velocity Snohomish Basin (30) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 10yr Inundation Depth Stillaguamish Basin Mainstem (32) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 10yr Velocity Stillaguamish Basin Mainstem (33) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 10yr Inundation Depth Stillaguamish Basin North Fork (34) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 10yr Velocity Stillaguamish Basin North Fork (35) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 10yr Inundation Depth Snohomish Basin 2040 (38) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 10yr Velocity Snohomish Basin 2040 (39) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 10yr Inundation Depth Stillaguamish Basin Mainstem 2040 (41) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 10yr Velocity Stillaguamish Basin Mainstem 2040 (42) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 10yr Inundation Depth Stillaguamish Basin North Fork 2040 (43) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 10yr Velocity Stillaguamish Basin North Fork 2040 (44) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 10yr Inundation Depth Snohomish Basin 2080 (47) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 10yr Velocity Snohomish Basin 2080 (48) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 10yr Inundation Depth Stillaguamish Basin Mainstem 2080 (50) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 10yr Velocity Stillaguamish Basin Mainstem 2080 (51) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 10yr Inundation Depth Stillaguamish Basin North Fork 2080 (52) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 10yr Velocity Stillaguamish Basin North Fork 2080 (53) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 50yr Inundation Depth Snohomish Basin (56) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 50yr Velocity Snohomish Basin (57) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 50yr Inundation Depth Stillaguamish Basin Mainstem (59) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 50yr Velocity Stillaguamish Basin Mainstem (60) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 50yr Inundation Depth Stillaguamish Basin North Fork (61) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 50yr Velocity Stillaguamish Basin North Fork (62) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 50yr Inundation Depth Snohomish Basin 2040 (65) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 50yr Velocity Snohomish Basin 2040 (66) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 50yr Inundation Depth Stillaguamish Basin Mainstem 2040 (68) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 50yr Velocity Stillaguamish Basin Mainstem 2040 (69) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 50yr Inundation Depth Stillaguamish Basin North Fork 2040 (70) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 50yr Velocity Stillaguamish Basin North Fork 2040 (71) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 50yr Inundation Depth Snohomish Basin 2080 (74) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 50yr Velocity Snohomish Basin 2080 (75) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 50yr Inundation Depth Stillaguamish Basin Mainstem 2080 (77) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 50yr Velocity Stillaguamish Basin Mainstem 2080 (78) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 50yr Inundation Depth Stillaguamish Basin North Fork 2080 (79) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 50yr Velocity Stillaguamish Basin North Fork 2080 (80) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 100yr Inundation Depth Snohomish Basin (83) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 100yr Velocity Snohomish Basin (84) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 100yr Inundation Depth Stillaguamish Basin Mainstem (86) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 100yr Velocity Stillaguamish Basin Mainstem (87) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 100yr Inundation Depth Stillaguamish Basin North Fork (88) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 100yr Velocity Stillaguamish Basin North Fork (89) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 100yr Inundation Depth Snohomish Basin 2040 (92) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 100yr Velocity Snohomish Basin 2040 (93) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 100yr Inundation Depth Stillaguamish Basin Mainstem 2040 (95) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 100yr Velocity Stillaguamish Basin Mainstem 2040 (96) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 100yr Inundation Depth Stillaguamish Basin North Fork 2040 (97) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 100yr Velocity Stillaguamish Basin North Fork 2040 (98) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 100yr Inundation Depth Snohomish Basin 2080 (101) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 100yr Velocity Snohomish Basin 2080 (102) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 100yr Inundation Depth Stillaguamish Basin Mainstem 2080 (104) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 100yr Velocity Stillaguamish Basin Mainstem 2080 (105) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 100yr Inundation Depth Stillaguamish Basin North Fork 2080 (106) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 100yr Velocity Stillaguamish Basin North Fork 2080 (107) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 500yr Inundation Depth Snohomish Basin (110) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 500yr Velocity Snohomish Basin (111) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 500yr Inundation Depth Stillaguamish Basin Mainstem (113) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 500yr Velocity Stillaguamish Basin Mainstem (114) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps Historical 500yr Inundation Depth Stillaguamish Basin North Fork (115) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft Historical 500yr Velocity Stillaguamish Basin North Fork (116) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 500yr Inundation Depth Snohomish Basin 2040 (119) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 500yr Velocity Snohomish Basin 2040 (120) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 500yr Inundation Depth Stillaguamish Basin Mainstem 2040 (122) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 500yr Velocity Stillaguamish Basin Mainstem 2040 (123) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 500yr Inundation Depth Stillaguamish Basin North Fork 2040 (124) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 500yr Velocity Stillaguamish Basin North Fork 2040 (125) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 500yr Inundation Depth Snohomish Basin 2080 (128) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 500yr Velocity Snohomish Basin 2080 (129) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 500yr Inundation Depth Stillaguamish Basin Mainstem 2080 (131) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 500yr Velocity Stillaguamish Basin Mainstem 2080 (132) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps 500yr Inundation Depth Stillaguamish Basin North Fork 2080 (133) < 2 ft 2 - 4 ft 4 - 6 ft 6 - 8 ft 8 - 12 ft 12 - 16 ft 16 - 20 ft > 20 ft 500yr Velocity Stillaguamish Basin North Fork 2080 (134) 0 - 1 fps 1 - 2 fps 2 - 3 fps 3 - 4 fps 4 - 5 fps 5 - 10 fps 10 - 15 fps 15+ fps