River CO

Boulder and Whiterock Ditch

Colorado • 40.0742, -105.1742

Hydrography profile Updated Feb 1, 2026

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

15 mi

25 km

Elevation

5,313′ → 5,070′

243 ft drop

Stream Order

Large River

Slope

0.30%

15.8 ft/mi

Drainage

218 mi²

565 km²

Avg Flow

-- cfs

1.4 mph velocity

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Data from USGS & NOAA for informational purposes only. More