Instream Flow Data
Water Resource Inventory Area (WRIA)
Find data for WRIAs with established instream flows using the pull-down menu above this map. Select gage stations / control points on the map or in the table below it for data and graphs comparing legal instream flow amounts to actual water levels for each station.
USGS control points and Ecology gaging stations
| Visit Site | Agency | Station ID | Station Name | Reported flow | Minimum flow | Below min flow | Reported on | Water year graph | Seven day graph |
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| Visit ECY Site for 01C070 | ECY | 01C070 | Hutchinson Creek near Acme | 98.00 | 40.00 | 12/24/2025 |
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| Visit ECY Site for 01N060 | ECY | 01N060 | Bertrand Cr. nr mouth | 255.00 | 12/24/2025 |
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| Visit ECY Site for 01Q070 | ECY | 01Q070 | Dakota Cr. @ Giles Rd. | 103.00 | 12/24/2025 |
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| Visit USGS Site for 12208000 | USGS | 12208000 | M.F. Nooksack R. nr Deming | 1,030.00 | 12/24/2025 |
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| Visit USGS Site for 12209490 | USGS | 12209490 | Skookum Cr. nr Wickersham | ||||||
| Visit USGS Site for 12210000 | USGS | 12210000 | S.F. Nookack R. @ Saxon Bridge | 1,040.00 | 12/24/2025 |
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| Visit USGS Site for 12212050 | USGS | 12212050 | Fishtrap Cr. @ Front St. | 163.00 | 12/24/2025 |
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| Visit USGS Site for 12213100 | USGS | 12213100 | Nooksack R. @ Ferndale | 6,000.00 | 12/24/2025 |
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About instream flows
Instream flowsopen_in_new are an amount of water, established by rule and court decisions, in a given river or stream. They usually vary from month to month, since seasonal changes cause natural streamflow to vary. These graphs compare the legal instream flow amounts to actual water levels. When actual streamflows drop below the adopted instream flow levels, junior water rightsopen_in_new (those established after the instream flow) can be temporarily interrupted to keep the water in the stream.
In your watershedopen_in_new contains more information about all 62 Washington watersheds, also called WRIAs. See our lookup toolopen_in_new to find your WRIA.