Hydrohistorian
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Columbine Ditch at Deadman Hill
Transbasin diversion gage · COLDEDCO · USGS 06750000 · Division 1 · Water District 3 · Larimer County
Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)
Source DWR administrative record · verify at DWR station ↗ Source Independent agency measurement · verify at USGS ↗ Source Our computation, no independent reference · computed here from the screened record
What this gage meters
This is not a natural stream record. The Columbine Ditch (Deadman Hill) moves water from Laramie River basin at Deadman Hill (Div 1, WD 48) into Cache la Poudre River (Div 1, WD 3), operated by Water Supply & Storage Co. — 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
Chart: annual mean flow at Columbine Ditch at Deadman Hill, water years 1940 to 2024. The measured record is no trend at 0.0 cubic feet per second per decade. The underlying yearly values are available as a CSV download linked at the top of this page.
This gage measures the Columbine Ditch (Deadman Hill), water carried across the Continental Divide. It is taken from Laramie River basin at Deadman Hill (Div 1, WD 48) and delivered to Cache la Poudre River (Div 1, WD 3) — so what this gage reads leaves one river basin for good and arrives in another.
The two ends: Columbine Ditch (receiving, on North Fork Cache La Poud)
The ditch’s mapped channel is drawn on the map below where the USGS has surveyed it. Every crossing →
Where it sits
Location as DWR records it (5.0).
Provenance
DWR station abbreviation COLDEDCO; recorded station name “COLUMBINE DITCH AT DEADMAN HILL”; operated by USGS. 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.