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Aurora Homestake Pipeline to Spinney Mountain Reservoir (Relief Valve)

Tunnel / pipeline gage · HOMSPRCO · Division 1 · Water District 23 · Park 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
2011-10-01 → 2022-10-31
Daily values
4,049
Latest cached reading
0.0 cfs (2022-10-31)
Trend
increasing, 0.38 cfs/decade
Pettitt changepoint
~2017

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 Aurora Homestake Pipeline to Spinney Mountain Reservoir (Relief Valve), water years 2011 to 2022. The measured record is increasing at 0.38 cubic feet per second per decade. A Pettitt changepoint is detected around 2017. 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.

Provenance

DWR station abbreviation HOMSPRCO; recorded station name “AURORA HOMESTAKE PIPELINE TO SPINNEY MOUNTAIN RESERVOIR (RELIEF VALVE)”; 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.