| 1 | 08LAK36... Site Code: 08LAK3627Ebright CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...9/11/2025
Ambient Monitoring
King County - DNRP | 39 | 5 | 4 | 5 | 14 | 14 | 6 | 2 | 56.6% | 11.4% | 17.0% | 500 | 45.7 | 4.1 | 5.7 | 4.3 | 5.0 | 4.1 | 5.0 | 2.9 | 3.4 | 5.2 | 6.0 | Details |
| 2 | EBR, Ebri...Site Code: EBREbright CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2022, WQ ...5/26/2022
WQ Expansion
City of Sammamish | 39 | 1 | 1 | 3 | 5 | 7 | 4 | 0 | 47.6% | 6.0% | 17.0% | 500 | 23.5 | 4.1 | 0.0 | 0.0 | 2.5 | 0.0 | 2.5 | 0.0 | 5.8 | 2.5 | 6.0 | Details |
| 3 | 08LAK36...Site Code: 08LAK3628Eden/George Davis CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...10/8/2025
Ambient Monitoring
King County - DNRP | 36 | 6 | 7 | 4 | 17 | 14 | 5 | 4 | 46.4% | 5.0% | 3.6% | 500 | 53.4 | 3.1 | 7.1 | 8.6 | 3.8 | 4.1 | 3.8 | 5.7 | 6.1 | 2.0 | 9.2 | Details |
| 4 | 08LAK38...Site Code: 08LAK3879Laughing Jacobs CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...10/7/2025
Ambient Monitoring
King County - DNRP | 34 | 5 | 8 | 5 | 18 | 18 | 6 | 3 | 43.6% | 22.2% | 2.2% | 500 | 65.2 | 2.4 | 5.7 | 10.0 | 5.0 | 6.5 | 5.0 | 4.3 | 6.9 | 10.0 | 9.5 | Details |
| 5 | LJU, Laug...Site Code: LJULaughing Jacobs CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2022, WQ ...5/27/2022
WQ Expansion
City of Sammamish | 21 | 1 | 1 | 0 | 2 | 5 | 0 | 0 | 72.0% | 0.0% | 34.8% | 500 | 1.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.9 | Details |
| 6 | 08LAK38...Site Code: 08LAK3880Many Springs CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...9/23/2025
Ambient Monitoring
King County - DNRP | 43 | 5 | 7 | 7 | 19 | 15 | 6 | 3 | 42.2% | 16.0% | 5.4% | 500 | 64.8 | 5.5 | 5.7 | 8.6 | 7.5 | 4.7 | 5.0 | 4.3 | 7.2 | 7.5 | 8.7 | Details |
| 7 | 08LAK35...Site Code: 08LAK3540Pine Lake CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...8/4/2025
Ambient Monitoring
King County - DNRP | 40 | 5 | 4 | 5 | 14 | 15 | 5 | 1 | 64.6% | 3.8% | 7.4% | 500 | 40.2 | 4.5 | 5.7 | 4.3 | 5.0 | 4.7 | 3.8 | 1.4 | 1.2 | 1.4 | 8.3 | Details |
| 8 | PINE, Pin...Site Code: PINEPine Lake CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2022, WQ ...5/26/2022
WQ Expansion
City of Sammamish | 26 | 2 | 1 | 1 | 4 | 2 | 0 | 0 | 68.1% | 1.6% | 20.4% | 495 | 7.2 | 0.0 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.3 | 5.3 | Details |
| 9 | Zackuse_l...Site Code: Zackuse_lowerZackuse CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2022, Zack...8/26/2022
Zackuse Creek 2022
Snoqualmie Tribe | 37 | 1 | 6 | 2 | 9 | 6 | 5 | 0 | 63.0% | 7.4% | 22.0% | 500 | 25.3 | 3.4 | 0.0 | 7.1 | 1.2 | 0.0 | 3.8 | 0.0 | 1.6 | 3.2 | 4.9 | Details |
| 10 | Zackuse_...Site Code: Zackuse_upperZackuse CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2022, Zack...8/26/2022
Zackuse Creek 2022
Snoqualmie Tribe | 26 | 1 | 3 | 4 | 8 | 7 | 5 | 0 | 62.1% | 15.0% | 10.5% | 153 | 26.8 | 0.0 | 0.0 | 2.9 | 3.8 | 0.0 | 3.8 | 0.0 | 1.9 | 7.0 | 7.6 | Details |
| 11 | ZAK, Zack...Site Code: ZAKZackuse CreekE Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2025, WQ ...9/11/2025
WQ Expansion
City of Sammamish | 43 | 1 | 3 | 5 | 9 | 10 | 6 | 0 | 33.4% | 6.6% | 10.2% | 500 | 40.2 | 5.5 | 0.0 | 2.9 | 5.0 | 1.8 | 5.0 | 0.0 | 9.6 | 2.8 | 7.6 | Details |