Hydrohistorian
Berthoud Pass Ditch at Berthoud Pass
Transbasin diversion gage · BERDITCO · USGS 09021500 · Division 1 · Water District 7 · Grand County
Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)
What this gage meters
This is not a natural stream record. The Berthoud Pass Ditch moves water from Fraser River headwaters at Berthoud Pass (Div 5) into West Fork Clear Creek (Div 1) — so this record is a ledger of those deliveries. Trends here reflect operational and demand decisions, not the basin's hydrology, and the basin trends page marks it accordingly (⇆). All of Colorado's curated transbasin diversions are collected at /transbasin.
The record
Readings come from the weekly-refreshed cache, never fetched live — the date beside the value says exactly how fresh it is. The live gage is one click up.
Annual flow & trend
Where it sits
Location as DWR records it (digitized off map).
Provenance
DWR station abbreviation BERDITCO; recorded station name “BERTHOUD PASS DITCH AT BERTHOUD PASS, CO.”; operated by DWR. Daily flows from the DWR HydroBase snapshot plus CDSS REST updates, refreshed on the weekly cycle. Trend statistics are Mann-Kendall (Hamed-Rao corrected) with Sen's slope in native cfs, the same numbers as the basin Trends tab.