

Puget Soundkeeper works to monitor and protect water quality in the Puget Sound region. Through their Lost Urban Creeks Project they engage youth and community members to monitor and report on water quality in too-often neglected streams in South King County.
Stream monitoring results
Data dashboard links for Lost Urban Creeks monitoring sites
- Barnes Creek – River Mile 0.6 (at S 223rd Street)
- Barnes Creek – River Mile 0.8 (Upper Barnes Creek)
- Boeing Channel – River Mile 0.0 (where it joins Mill Creek)
- Boren Creek – River Mile 0.0 (Lower Boren Creek)
- Covington Creek – River Mile 0.0 (at mouth)
- Des Moines Creek – River Mile 0.2 (Lower DM Creek in DM Beach Park)
- Des Moines Creek – River Mile 2.0 (Upper Des Moines Creek)
- Des Moines Creek Un-named Tributary – River Mile 0.0 (Unnamed Tributary entering Des Moines Creek below WWTP)
- Garrison Creek River Mile 0.0 (Above confluence with Springbrook Creek)
- Garrison Creek River Mile 1.8 (Upper station at S 218th Street Bridge)
- Garrison Creek River Mile 2.2 (Upper Station at Garrison Creek Park)
- Honey Dew Creek River Mile 0.3 (Lower Honey Dew Creek)
- Jenkins Creek – River Mile 1.3
- Little Soos Creek – River Mile 1.3
- Longfellow Creek – River Mile 0.5 (Lower Longfellow at start of Culvert)
- Longfellow Creek – River Mile 0.7 (Lower Longfellow in Dragonfly Pavilion)
- Longfellow Creek – River Mile 1.5 (Longfellow Creek near SW Brandon – Greg David Park)
- Longfellow Creek – River Mile 3.4 (Middle Longfellow at Thistle Street Green Space)
- Longfellow Creek – River Mile 4.5 (Upper Longfellow at Roxhill Park)
- Longfellow Creek -River Mile 2.0 (Middle Longfellow near Beaver Pond/Louisa Boren School)
- Massey Creek – River Mile 0.2 (Lower Massey Creek)
- May Creek River Mile 0.2 (Lower May Creek near Lake Washington)
- May Creek River Mile 3.0 (Middle May Creek from the May Creek Trail)
- May Creek River Mile 4.2 (May Creek at Nile Ave NE)
- May Creek River Mile 7.7 (Upper May Creek near Cougar-Sauk Mt.)
- McSorley Creek – River Mile 0.0 (Lower McSorley Creek near beach)
- McSorley Creek – River Mile 0.6 (Upper McSorley Creek)
- Meridian Creek – River Mile 7.4 (Meridian Creek)
- Mill Creek River Mile 0.8 (Lower station above confluence with Springbrook at Interurban Trail bridge)
- Mill Creek River Mile 2.0 (Off 72nd Ave S at CenterPoint)
- Mill Creek River Mile 3.2 (Middle Station near Blue Origins on Interurban Trail bridge)
- Mill Creek River Mile 4.2 (Mid Station south of WA-167)
- Mill Creek River Mile 4.8 (Upper Station near E James Rd, Kent Middle School)
- Mill Creek River Mile 5.3 (Upper station below Kent Canyon)
- Panther Creek River Mile 0.0 (Lower station above confluence with Springbrook)
- Panther Creek River Mile 2.0 (Upper station at Carr Rd S Culvert)
- Soos Creek – River Mile 3.0 (Lower Soos Creek)
- Soos Creek – River Mile 9.3 (Upper Soos Creek)
- Springbrook Creek River Mile 1.4 (Lowest station sampled, located below confluence with Panther Creek)
- Springbrook Creek River Mile 3.0 (Mid station located below confluence with Mill Creek)
- Springbrook Creek River Mile 4.3 (Mid station located below confluence with Garrison Creek)
- Springbrook Creek River Mile 5.0 (Upper station below Renton Springs)
Map of all monitoring sites
Major support for our program comes from the King County Wastewater Treatment Division Waterworks grant program.
