| 1 | 0631 Issa... Site Code: 0631 IssaquahIssaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2001, KC Hi...8/7/2001
KC Historical
King County - DNRP | 33 | 9 | 6 | 5 | 20 | 20 | 3 | 1 | 73.0% | 4.4% | 0.8% | 500 | 55.6 | 8.1 | 10.0 | 7.1 | 5.0 | 8.8 | 1.2 | 1.4 | 2.4 | 1.7 | 9.8 | Details |
| 2 | 08ISS387...Site Code: 08ISS3877Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2023, Ambi...7/20/2023
Ambient Monitoring
King County - DNRP | 49 | 7 | 6 | 7 | 20 | 25 | 7 | 1 | 42.6% | 21.2% | 1.4% | 500 | 75.3 | 7.6 | 8.6 | 7.1 | 7.5 | 10.0 | 6.2 | 1.4 | 7.1 | 10.0 | 9.7 | Details |
| 3 | 08ISS396...Site Code: 08ISS3962Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2023, Ambi...8/9/2023
Ambient Monitoring
King County - DNRP | 49 | 7 | 7 | 7 | 21 | 26 | 6 | 2 | 30.2% | 19.2% | 7.2% | 500 | 77.5 | 7.6 | 8.6 | 8.6 | 7.5 | 10.0 | 5.0 | 2.9 | 10.0 | 9.1 | 8.3 | Details |
| 4 | A631 Issa...Site Code: A631 IssaquahIssaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2001, KC Hi...8/7/2001
KC Historical
King County - DNRP | 42 | 12 | 5 | 8 | 25 | 26 | 8 | 5 | 49.6% | 9.6% | 1.4% | 500 | 81.6 | 10.0 | 10.0 | 5.7 | 8.8 | 10.0 | 7.5 | 7.1 | 8.5 | 4.3 | 9.7 | Details |
| 5 | E3090, Is...Site Code: E3090Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2010, ESA ...8/23/2010
ESA Water Quality
King County - Roads | 35 | 9 | 6 | 6 | 21 | 22 | 7 | 6 | 53.4% | 7.6% | 6.4% | 500 | 76.6 | 9.0 | 10.0 | 7.1 | 6.2 | 10.0 | 6.2 | 8.6 | 7.5 | 3.3 | 8.5 | Details |
| 6 | ICIssDow...Site Code: ICIssDownIssaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2008, Aquat...9/5/2008
Aquatic Resources Monitoring
City of Issaquah | 42 | 2 | 4 | 8 | 14 | 22 | 4 | 0 | 29.0% | 7.2% | 5.0% | 500 | 52.9 | 5.2 | 1.4 | 4.3 | 8.8 | 8.8 | 2.5 | 0.0 | 10.0 | 3.1 | 8.8 | Details |
| 7 | ICIssJun, ...Site Code: ICIssJunIssaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2008, Aquat...9/5/2008
Aquatic Resources Monitoring
City of Issaquah | 50 | 8 | 5 | 10 | 23 | 31 | 6 | 3 | 42.6% | 6.2% | 3.4% | 500 | 71.9 | 7.9 | 10.0 | 5.7 | 10.0 | 10.0 | 5.0 | 4.3 | 7.1 | 2.6 | 9.2 | Details |
| 8 | ICIssUp, I...Site Code: ICIssUpIssaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2012, Aquat...9/7/2012
Aquatic Resources Monitoring
City of Issaquah | 49 | 6 | 6 | 10 | 22 | 27 | 4 | 4 | 57.3% | 4.4% | 1.0% | 496 | 64.7 | 7.6 | 7.1 | 7.1 | 10.0 | 10.0 | 2.5 | 5.7 | 3.2 | 1.7 | 9.8 | Details |
| 9 | issaq03, I...Site Code: issaq03Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2002, KC Hi...9/10/2002
KC Historical
King County - DNRP | 27 | 5 | 8 | 6 | 19 | 19 | 6 | 6 | 65.4% | 7.4% | 6.4% | 500 | 65.1 | 5.2 | 5.7 | 10.0 | 6.2 | 8.2 | 5.0 | 8.6 | 4.4 | 3.2 | 8.5 | Details |
| 10 | issaq04, I...Site Code: issaq04Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2002, KC Hi...9/10/2002
KC Historical
King County - DNRP | 22 | 7 | 4 | 3 | 14 | 16 | 4 | 3 | 66.2% | 4.4% | 7.4% | 500 | 45.6 | 2.9 | 8.6 | 4.3 | 2.5 | 6.5 | 2.5 | 4.3 | 4.2 | 1.7 | 8.3 | Details |
| 11 | WAM0660...Site Code: WAM06600-035623Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2013, WRIA...7/23/2013
WRIA08_WS_Survey
King County - DNRP | 40 | 8 | 6 | 6 | 20 | 24 | 7 | 3 | 37.0% | 23.6% | 3.8% | 500 | 81.7 | 8.7 | 10.0 | 7.1 | 6.2 | 10.0 | 6.2 | 4.3 | 10.0 | 10.0 | 9.1 | Details |
| 12 | WAM0660...Site Code: WAM06600-047779Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2013, WRIA...7/29/2013
WRIA08_WS_Survey
King County - DNRP | 37 | 8 | 4 | 8 | 20 | 24 | 4 | 6 | 48.4% | 40.2% | 1.0% | 500 | 78.7 | 7.4 | 10.0 | 4.3 | 8.8 | 10.0 | 2.5 | 8.6 | 7.4 | 10.0 | 9.8 | Details |
| 13 | WAM0660...Site Code: WAM06600-051507Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2012, WRIA...8/1/2012
WRIA08_WS_Survey
King County - DNRP | 43 | 12 | 4 | 8 | 24 | 30 | 6 | 6 | 36.6% | 13.4% | 10.2% | 500 | 80.4 | 10.0 | 10.0 | 4.3 | 8.8 | 10.0 | 5.0 | 8.6 | 10.0 | 6.2 | 7.6 | Details |
| 14 | WAM0660...Site Code: WAM06600-100519Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2013, WRIA...8/19/2013
WRIA08_WS_Survey
King County - DNRP | 42 | 5 | 10 | 7 | 22 | 27 | 10 | 5 | 32.2% | 25.4% | 7.8% | 500 | 88.1 | 9.6 | 5.7 | 10.0 | 7.5 | 10.0 | 10.0 | 7.1 | 10.0 | 10.0 | 8.2 | Details |
| 15 | WAM0660...Site Code: WAM06600-110035Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2013, WRIA...7/31/2013
WRIA08_WS_Survey
King County - DNRP | 50 | 8 | 9 | 10 | 27 | 33 | 12 | 9 | 23.6% | 22.2% | 9.0% | 500 | 97.9 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 7.9 | Details |
| 16 | WAM0660...Site Code: WAM06600-123207Issaquah CreekIssaquah Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish | 2013, WRIA...8/20/2013
WRIA08_WS_Survey
King County - DNRP | 35 | 6 | 6 | 6 | 18 | 21 | 5 | 3 | 58.8% | 19.4% | 32.6% | 500 | 60.0 | 6.5 | 7.1 | 7.1 | 6.2 | 8.8 | 3.8 | 4.3 | 4.5 | 9.2 | 2.4 | Details |