USGS Streamgage 10293500
E Walker River above Strosnider Ditch near Mason, NV
E Walker River above Strosnider Ditch near Mason, NV is USGS streamgage 10293500 in Nevada, monitoring river discharge in hydrologic subbasin 16050301. It sits on the E Walker River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 1,100 square miles. Discharge records at this site go back to 1947. Typical flow runs near 194.9 cfs in July and 117.7 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Nevada
- Drainage area
- 1,100 sq mi
- Gauge elevation
- 4,574 ft
- Subbasin (HUC-8)
- 16050301
- Coordinates
- 38.81371, -119.04799
- USGS site number
- 10293500
- Records begin
- 1947-05-28 (79 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for E Walker River above Strosnider Ditch near Mason, NV. 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.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 162 | 174 | 185 | ||
| 146 | 173 | 192 | ||
| 134 | 169 | 193 | ||
| 117 | 163 | 192 | ||
| 108 | 158 | 191 | ||
| 97.2 | 153 | 189 | ||
| 89 | 148 | 187 | ||
| 85.4 | 147 | 188 | ||
| 75.8 | 141 | 185 | ||
| 67.8 | 135 | 183 | ||
| 70.4 | 139 | 192 | ||
| 63 | 135 | 188 | ||
| 57.5 | 131 | 187 | ||
| 45.7 | 117 | 180 |
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 79 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 20.8 | 39.3 | 129.2 | |
| February | 21.6 | 38.2 | 191.4 | |
| March | 19.7 | 64.4 | 279.6 | |
| April | 35.4 | 117.7 | 403 | |
| May | 51.3 | 175.1 | 593 | |
| June | 72.9 | 186.2 | 791.3 | |
| July | 48.5 | 194.9 | 657.6 | |
| August | 40.7 | 182.9 | 389.6 | |
| September | 33.6 | 121 | 294.7 | |
| October | 24 | 60 | 158.5 | |
| November | 22.5 | 37.1 | 65.9 | |
| December | 21.8 | 37.7 | 95.7 |
All values in cubic feet per second (cfs).
Common questions
- When does E Walker River above Strosnider Ditch near Mason, NV normally run highest?
- July, on the long-term record. The median daily flow that month is about 194.9 cfs, against 37.1 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for E Walker River above Strosnider Ditch near Mason, NV?
- It depends on the month. In January, half of days historically fall near 39.3 cfs, with the middle 80% of days between 20.8 and 129.2 cfs. The month-by-month table on this page gives the full range.
- How long has E Walker River above Strosnider Ditch near Mason, NV been measured?
- Discharge records at USGS site 10293500 begin in 1947, about 79 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for E Walker River above Strosnider Ditch near Mason, NV?
- 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 E Walker River above Strosnider Ditch near Mason, NV?
- The gauge sits at 38.81371, -119.04799, in Nevada, in hydrologic subbasin 16050301, at an elevation of about 4,574 feet, draining roughly 1,100 square miles.
- Can I use E Walker River above Strosnider Ditch near Mason, NV 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.
Upstream and downstream on the E Walker River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the E Walker River in full.
- E Walker River near Bridgeport, CA 359 sq mi
- E Walker River above Strosnider Ditch near Mason, NV this page
- E Walker River near Mason, NV 1,230 sq mi
- E Walker River at Ivy Ranch Brg near Mason, NV
- E Walker River at Morgan Bridge near Wichman Cyn, NV
- E Walker River below Confl Rough Creek near the Elbow, NV
Other gauges in this subbasin
- E Walker River near Mason, NV
- Virginia Creek near Bridgeport, CA
- Green Creek near Bridgeport, CA
- Robinson Creek at Twin Lks Outlet near Bridgeport, CA
- Buckeye Creek near Bridgeport, CA
- E Walker River near Bridgeport, CA
- E Walker River below Confl Rough Creek near the Elbow, NV
- E Walker River at Morgan Bridge near Wichman Cyn, NV