Rivermatics

USGS Streamgage 09056500

Elliott Creek Feeder Canal to Green Mtn Reservoir, CO

Elliott Creek Feeder Canal to Green Mtn Reservoir, CO is USGS streamgage 09056500 in Colorado, monitoring river discharge in hydrologic subbasin 14010002. Discharge records at this site go back to 1944. Typical flow runs near 1 cfs in July and 3.9 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Gauge elevation
8,063 ft
Subbasin (HUC-8)
14010002
Coordinates
39.87373, -106.3306
USGS site number
09056500
Records begin
1944-06-21 (82 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Elliott Creek Feeder Canal to Green Mtn Reservoir, CO. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0 0.1 0.1
0 0.1 0.1
0 0.1 0.1
0 0.1 0.1
0 0.1 0.1
0 0.1 0.1

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 17 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Only 6 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
April 0.9 3.9 11
May 5.1 26.8 81.1
June 3.9 44.5 108.6
July 0.4 1 26.9
August 0.2 0.5 3
September 0.1 0.4 1.1

All values in cubic feet per second (cfs).

Common questions

When does Elliott Creek Feeder Canal to Green Mtn Reservoir, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 44.5 cfs, against 0.4 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Elliott Creek Feeder Canal to Green Mtn Reservoir, CO?
It depends on the month. In April, half of days historically fall near 3.9 cfs, with the middle 80% of days between 0.9 and 11 cfs. The month-by-month table on this page gives the full range.
How long has Elliott Creek Feeder Canal to Green Mtn Reservoir, CO been measured?
Discharge records at USGS site 09056500 begin in 1944, about 82 years, covering roughly 3,240 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Elliott Creek Feeder Canal to Green Mtn Reservoir, CO?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Elliott Creek Feeder Canal to Green Mtn Reservoir, CO?
The gauge sits at 39.87373, -106.3306, in Colorado, in hydrologic subbasin 14010002, at an elevation of about 8,063 feet.
Can I use Elliott Creek Feeder Canal to Green Mtn Reservoir, 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