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Boulder Creek at 109 St near Erie

River gage · BOC109CO · Division 1 · Water District 6 · Boulder County

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

The record

Period of record
2016-04-07 → 2026-08-12
Daily values
3,703
Latest cached reading
13.5 cfs (2026-08-12)
Trend
insufficient data

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 (user supplied).

Provenance

DWR station abbreviation BOC109CO; recorded station name “BOULDER CREEK AT 109 ST NEAR ERIE, 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.