Rivermatics

USGS Streamgage 384301106505401

East River Number 1 Ditch above Roaring Judy Hatchery, CO

East River Number 1 Ditch above Roaring Judy Hatchery, CO is USGS streamgage 384301106505401 in Colorado, monitoring river discharge in hydrologic subbasin 14020001. Discharge records at this site go back to 2025.

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Gauge details

State
Colorado
Gauge elevation
8,189 ft
Subbasin (HUC-8)
14020001
Coordinates
38.71685, -106.8482
USGS site number
384301106505401
Records begin
2025-07-01 (1 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 1 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Only 3 of 12 months have enough record to summarize; the rest are omitted.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
July — 15 —
August — 3.2 —
September — 0.5 —

All values in cubic feet per second (cfs).

Common questions

When does East River Number 1 Ditch above Roaring Judy Hatchery, CO normally run highest?
July, on the long-term record. The median daily flow that month is about 15 cfs, against 0.5 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has East River Number 1 Ditch above Roaring Judy Hatchery, CO been measured?
Discharge records at USGS site 384301106505401 begin in 2025, about 1 years, covering roughly 137 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is East River Number 1 Ditch above Roaring Judy Hatchery, CO?
The gauge sits at 38.71685, -106.8482, in Colorado, in hydrologic subbasin 14020001, at an elevation of about 8,189 feet.
Can I use East River Number 1 Ditch above Roaring Judy Hatchery, CO data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Other gauges in this subbasin