| 1 | 08WES15... Site Code: 08WES1579Lake Washington tributaryW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...7/29/2025
Ambient Monitoring
King County - DNRP | 17 | 1 | 1 | 0 | 2 | 5 | 2 | 0 | 64.0% | 0.0% | 25.8% | 500 | 5.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4 | 0.0 | 4.0 | Details |
| 2 | 08WES14...Site Code: 08WES1490Lake Washington tributary (0464B)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...9/11/2025
Ambient Monitoring
King County - DNRP | 17 | 1 | 1 | 0 | 2 | 3 | 2 | 0 | 68.4% | 0.0% | 32.8% | 500 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 2.4 | Details |
| 3 | 08WES10...Site Code: 08WES1037Mapes CreekW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2025, Ambi...8/12/2025
Ambient Monitoring
King County - DNRP | 42 | 4 | 3 | 4 | 11 | 15 | 8 | 1 | 57.4% | 4.4% | 38.8% | 500 | 35.5 | 5.2 | 4.3 | 2.9 | 3.8 | 4.7 | 7.5 | 1.4 | 3.1 | 1.7 | 1.0 | Details |
| 4 | MA01, Ma...Site Code: MA01Mapes CreekW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2023, Proje...8/9/2023
Project Evaluation
City of Seattle | 29 | 1 | 0 | 1 | 2 | 7 | 5 | 0 | 50.4% | 1.2% | 13.8% | 500 | 16.4 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 3.8 | 0.0 | 5.0 | 0.1 | 6.8 | Details |
| 5 | MAMA625...Site Code: MAMA6255Mapes CreekW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Statu...7/31/2024
Status & Trends
City of Seattle | 31 | 2 | 2 | 5 | 9 | 14 | 7 | 0 | 45.4% | 4.2% | 37.6% | 500 | 28.8 | 1.4 | 1.4 | 1.4 | 5.0 | 4.1 | 6.2 | 0.0 | 6.4 | 1.6 | 1.3 | Details |
| 6 | 08WES13...Site Code: 08WES1340Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2025, Integr...7/28/2025
Integrated Streams Program
King County - DNRP | 29 | 2 | 4 | 3 | 9 | 6 | 4 | 0 | 55.2% | 8.2% | 20.2% | 500 | 24.0 | 0.7 | 1.4 | 4.3 | 2.5 | 0.0 | 2.5 | 0.0 | 3.7 | 3.6 | 5.3 | Details |
| 7 | TA03, Tayl...Site Code: TA03Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Statu...7/31/2024
Status & Trends
City of Seattle | 29 | 2 | 4 | 3 | 9 | 7 | 5 | 0 | 60.8% | 7.1% | 16.0% | 495 | 24.2 | 0.7 | 1.4 | 4.3 | 2.5 | 0.0 | 3.8 | 0.0 | 2.2 | 3.1 | 6.3 | Details |
| 8 | TAEF625...Site Code: TAEF6250Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Statu...7/31/2024
Status & Trends
City of Seattle | 24 | 3 | 4 | 3 | 10 | 7 | 3 | 0 | 58.8% | 5.4% | 20.8% | 500 | 21.0 | 0.0 | 2.9 | 4.3 | 2.5 | 0.0 | 1.2 | 0.0 | 2.8 | 2.2 | 5.2 | Details |
| 9 | TAMA_C...Site Code: TAMA_CONFTaylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Proje...7/31/2024
Project Evaluation
City of Seattle | 24 | 3 | 3 | 3 | 9 | 9 | 5 | 0 | 57.0% | 8.4% | 26.4% | 500 | 23.9 | 0.0 | 2.9 | 2.9 | 2.5 | 1.2 | 3.8 | 0.0 | 3.2 | 3.7 | 3.9 | Details |
| 10 | TAMA_M...Site Code: TAMA_MOUTHTaylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Proje...7/31/2024
Project Evaluation
City of Seattle | 35 | 2 | 3 | 4 | 9 | 12 | 7 | 0 | 39.5% | 1.8% | 11.1% | 496 | 35.8 | 2.8 | 1.4 | 2.9 | 3.8 | 2.9 | 6.2 | 0.0 | 8.0 | 0.4 | 7.4 | Details |
| 11 | TAMA746...Site Code: TAMA7468Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Statu...7/31/2024
Status & Trends
City of Seattle | 25 | 2 | 5 | 3 | 10 | 6 | 5 | 0 | 79.2% | 6.2% | 6.0% | 500 | 24.6 | 0.0 | 1.4 | 5.7 | 2.5 | 0.0 | 3.8 | 0.0 | 0.0 | 2.6 | 8.6 | Details |
| 12 | TAWF484...Site Code: TAWF4847Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish | 2024, Statu...7/31/2024
Status & Trends
City of Seattle | 23 | 2 | 3 | 3 | 8 | 6 | 4 | 0 | 73.0% | 3.6% | 34.8% | 500 | 12.5 | 0.0 | 1.4 | 2.9 | 2.5 | 0.0 | 2.5 | 0.0 | 0.0 | 1.3 | 1.9 | Details |