Step 1:
[Optional] Choose a basin from the drop-down list.
All Basins
Basin and Range sites, Oregon
Clackamas River Basin, Oregon
Columbia/Snake River sites
Cowlitz River Basin, Washington
Deschutes River Basin, Oregon
John Day River Basin, Oregon
Johnson Creek Basin, Oregon
Klamath River, Oregon and California
Long Tom River Basin, Oregon
McKenzie River Basin, Oregon
North Coastal Basins, Oregon
Northeast Oregon sites
North Santiam River Basin, Oregon
Rogue River Basin, Oregon
Sandy River Basin, Oregon
South Coastal Basins, Oregon
Southeast Oregon sites
South Santiam River Basin, Oregon
Tualatin River Basin, Oregon
Tualatin Beaver sites, Oregon
Upper Klamath Lake, Oregon
Umpqua River Basin, Oregon
Willamette River Basin sites, Oregon
Willamette River off-channel sites, Oregon
Willow Creek sites, Oregon
Yakima River Basin, Washington
Step 2:
Choose a site from the drop-down list.
14202550 - Ayers Creek at NE North Valley Road, near Gaston, OR
14202630 - Wapato Canal at Pumphouse, at Gaston, OR
14202650 - Wapato Creek at Gaston Rd at Gaston, OR
14202980 - Scoggins Creek below Henry Hagg Lake near Gaston, OR
14203500 - Tualatin River at Dilley, OR
14205350 - East Fork Dairy Ck abv Murtaugh Ck nr Meacham Corner, OR
14205400 - East Fork Dairy Creek near Meecham Corner, OR
14206241 - Tualatin River at Hwy 219 at Jackson Bottom
14206694 - Tualatin River at River Mile 24.5
14206752 - Chicken Creek abv Seasonal Trail, near Sherwood, OR
14206800 - Tualatin River at RM 9.9 nr Tualatin, OR
14206900 - Fanno Creek at 56th Ave in Portland, OR
14206950 - Fanno Creek at Durham Road
14207200 - Tualatin River at Oswego Diversion Dam
14207500 - Tualatin River at West Linn, OR
452230122512201 - Chicken Creek at Scholls-Sherwood Hwy, Sherwood, OR
452348122454701 - Fanno Creek at Durham City Park, Durham, OR
452359122454500 - Durham Treatment Facility at Durham, OR
452631122463101 - Ash Creek at Shady Lane, Tigard, OR
452657122481700 - Conestoga Aquatic Center Raingage at Tigard, OR
452712122474101 - Fanno Creek at Gemini Drive, Tigard, OR
452731123092100 - Scoggins Creek near Old Hwy 47, near Gaston, OR
452732122464600 - Progress Fire Station Raingage at Tigard, OR
452842122450101 - Fanno Creek at Willowmere Drive, Portland, OR
453004122510301 - Beaverton Creek at 170th Ave, Beaverton, OR
453016123052400 - Fernhill Wetlands at Outfall, at Forest Grove, OR
453030122560101 - Rock Creek at Brookwood Ave, Hillsboro, OR
453040123065201 - Gales Creek at Old Hwy 47, Forest Grove, OR
453104122551201 - Rock Creek at Woll Pond Way, Hillsboro, OR
453113123003501 - Dairy Creek at Hwy 8, Hillsboro, OR
Tualatin River at Dilley, OR (14203500)
Parameter
Begin Date
Last Approved Date
Last Reading
Discharge
Jan-01-2000 00:00
Dec-13-2022 12:00
Dec-05-2023 06:30
Gage Height
Jan-01-2000 00:00
Dec-13-2022 12:00
Dec-05-2023 06:30
Water Temperature
Mar-25-2016 12:15
Oct-17-2023 10:00
Dec-05-2023 05:30
Specific Conductance
Mar-25-2016 12:15
Oct-17-2023 10:00
Dec-05-2023 05:30
Dissolved Oxygen
Feb-19-2020 11:15
Oct-17-2023 10:00
Dec-05-2023 05:30
Oxygen % Saturation
Feb-19-2020 11:15
Oct-17-2023 10:00
Dec-05-2023 05:30
pH
Mar-25-2016 12:15
Oct-17-2023 10:00
Dec-05-2023 05:30
Turbidity
Mar-25-2016 12:15
Oct-17-2023 10:00
Dec-05-2023 05:30
Total Chlorophyll
Mar-25-2016 12:15
Oct-17-2023 10:30
Chlorophyll Fluorescence
May-13-2020 10:45
Dec-05-2023 05:30
Phycocyanin
Mar-25-2016 12:15
Oct-17-2023 10:45
Phycocyanin Fluorescence
Apr-19-2021 10:00
Dec-05-2023 05:30
fDOM (370/460)
Mar-26-2016 00:00
Dec-05-2023 05:30
Measurements at this site are
available here at 15 minute
intervals .
Some data are provisional
and subject to revision.
More data from this site may be available from
NWIS-Web .