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Saint Vrain Supply Canal T.O. to L. Thompson River

Ditch / canal gage · SVSLT1CO · Division 1 · Water District 4 · Boulder County

Live gage at DWR ↗ · Download daily record (CSV)

Source DWR administrative record · verify at DWR station ↗ Source Our computation, no independent reference · computed here from the screened record

The record

Period of record
1953-09-30 → 1999-09-30
Daily values
19,303
Latest cached reading
0.0 cfs (1999-09-30)
Trend
decreasing, -1.86 cfs/decade (-40.1% of median)
Pettitt changepoint
~1966

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 Saint Vrain Supply Canal T.O. to L. Thompson River, water years 1953 to 1999. The measured record is decreasing at -1.86 cubic feet per second per decade. A Pettitt changepoint is detected around 1966. The underlying yearly values are available as a CSV download linked at the top of this page.

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Where it sits

Location as DWR records it (5.0).

Provenance

DWR station abbreviation SVSLT1CO; recorded station name “SAINT VRAIN SUPPLY CANAL T.O. TO L. THOMPSON RIV”; 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.