| 1 | 09SOO_b... Site Code: 09SOO_bug1Big Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2025, Integr...8/13/2025
Integrated Streams Program
King County - DNRP | 44 | 5 | 8 | 6 | 19 | 25 | 9 | 4 | 55.6% | 7.6% | 6.0% | 500 | 67.8 | 5.9 | 5.7 | 10.0 | 6.2 | 10.0 | 8.8 | 5.7 | 3.6 | 3.3 | 8.6 | Details |
| 2 | 09SOO09...Site Code: 09SOO0943Big Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2025, Ambi...8/13/2025
Ambient Monitoring
King County - DNRP | 46 | 6 | 9 | 4 | 19 | 20 | 6 | 3 | 60.8% | 7.8% | 2.6% | 500 | 59.4 | 6.6 | 7.1 | 10.0 | 3.8 | 7.6 | 5.0 | 4.3 | 2.2 | 3.4 | 9.4 | Details |
| 3 | EFF755X...Site Code: EFF755XX-BS00.7Big Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2023, TMD...9/20/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology | 45 | 5 | 9 | 5 | 19 | 18 | 7 | 3 | 51.0% | 12.2% | 1.6% | 500 | 64.0 | 6.2 | 5.7 | 10.0 | 5.0 | 6.5 | 6.2 | 4.3 | 4.9 | 5.6 | 9.6 | Details |
| 4 | EFF755X...Site Code: EFF755XX-BS04.7Big Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2023, TMD...9/25/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology | 46 | 7 | 6 | 7 | 20 | 23 | 9 | 6 | 55.0% | 3.8% | 6.8% | 500 | 70.1 | 6.6 | 8.6 | 7.1 | 7.5 | 9.4 | 8.8 | 8.6 | 3.8 | 1.4 | 8.4 | Details |
| 5 | 09SOO12...Site Code: 09SOO1209Little Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2024, Ambi...9/19/2024
Ambient Monitoring
King County - DNRP | 36 | 6 | 5 | 5 | 16 | 16 | 6 | 5 | 44.6% | 6.4% | 6.6% | 498 | 56.2 | 3.1 | 7.1 | 5.7 | 5.0 | 5.3 | 5.0 | 7.1 | 6.6 | 2.7 | 8.5 | Details |
| 6 | 09SOO12...Site Code: 09SOO1283Little Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2025, Ambi...8/12/2025
Ambient Monitoring
King County - DNRP | 41 | 7 | 6 | 5 | 18 | 17 | 6 | 4 | 53.3% | 11.3% | 4.0% | 497 | 60.6 | 4.8 | 8.6 | 7.1 | 5.0 | 5.9 | 5.0 | 5.7 | 4.2 | 5.2 | 9.1 | Details |
| 7 | EFF755X...Site Code: EFF755XX-LS00.3Little Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2023, TMD...9/20/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology | 44 | 7 | 6 | 4 | 17 | 18 | 9 | 4 | 41.6% | 7.2% | 10.6% | 500 | 64.3 | 5.9 | 8.6 | 7.1 | 3.8 | 6.5 | 8.8 | 5.7 | 7.4 | 3.1 | 7.5 | Details |
| 8 | EFF755X...Site Code: EFF755XX-MV00.2Meridian Valley CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2023, TMD...7/6/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology | 40 | 1 | 0 | 1 | 2 | 8 | 5 | 0 | 52.6% | 9.4% | 38.8% | 500 | 18.4 | 4.5 | 0.0 | 0.0 | 0.0 | 0.6 | 3.8 | 0.0 | 4.4 | 4.2 | 1.0 | Details |
| 9 | 09SOO11...Site Code: 09SOO1130Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2025, Ambi...8/26/2025
Ambient Monitoring
King County - DNRP | 41 | 5 | 7 | 9 | 21 | 27 | 7 | 7 | 44.0% | 12.2% | 5.8% | 500 | 76.4 | 4.8 | 5.7 | 8.6 | 10.0 | 10.0 | 6.2 | 10.0 | 6.8 | 5.6 | 8.7 | Details |
| 10 | 09SOO11...Site Code: 09SOO1134Soos CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2025, Ambi...8/13/2025
Ambient Monitoring
King County - DNRP | 46 | 5 | 8 | 9 | 22 | 25 | 10 | 8 | 56.2% | 5.4% | 37.2% | 500 | 69.3 | 6.6 | 5.7 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 3.5 | 2.2 | 1.3 | Details |
| 11 | 09SOO10...Site Code: 09SOO1022Soosette CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2025, Ambi...8/18/2025
Ambient Monitoring
King County - DNRP | 51 | 10 | 8 | 6 | 24 | 23 | 8 | 6 | 36.4% | 39.0% | 2.4% | 500 | 88.3 | 8.3 | 10.0 | 10.0 | 6.2 | 9.4 | 7.5 | 8.6 | 8.8 | 10.0 | 9.4 | Details |
| 12 | EFF755X...Site Code: EFF755XX-SO01.3Soosette CreekSoos Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green | 2023, TMD...9/18/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology | 41 | 6 | 3 | 8 | 17 | 16 | 5 | 2 | 52.2% | 43.6% | 0.6% | 500 | 59.9 | 4.8 | 7.1 | 2.9 | 8.8 | 5.3 | 3.8 | 2.9 | 4.5 | 10.0 | 9.9 | Details |