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Prewitt Reservoir Release to Highline Canal

Ditch / canal gage · PREHILCO · Division 1 · Water District 64 · Washington County

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

The record

Period of record
2005-05-18 → 2026-08-16
Daily values
7,364
Latest cached reading
11.9 cfs (2026-08-16)
Trend
no trend, 0.19 cfs/decade (10.6% of median)

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

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Where it sits

Location as DWR records it (3.0).

Provenance

DWR station abbreviation PREHILCO; recorded station name “PREWITT RESERVOIR RELEASE TO HIGHLINE CANAL”; 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.