USGS Streamgage 11315000
Cole C near Salt Springs Dam, CA
Cole C near Salt Springs Dam, CA is USGS streamgage 11315000 in California, monitoring river discharge in hydrologic subbasin 18040012. It drains a watershed of about 21 square miles. Discharge records at this site go back to 1927. Typical flow runs near 3.7 cfs in July and 129.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 21 sq mi
- Gauge elevation
- 5,920 ft
- Subbasin (HUC-8)
- 18040012
- Coordinates
- 38.51908, -120.21269
- USGS site number
- 11315000
- Records begin
- 1927-10-01 (99 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 98 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 | 2.6 | 18.6 | 73.1 | |
| February | 8.3 | 27.9 | 74.4 | |
| March | 21.2 | 50.5 | 125.9 | |
| April | 52.9 | 129.6 | 265.7 | |
| May | 70.9 | 204.1 | 471.6 | |
| June | 10 | 86.1 | 337.6 | |
| July | 0.5 | 3.7 | 47 | |
| August | 0.1 | 0.3 | 1.8 | |
| September | 0.1 | 0.1 | 0.7 | |
| October | 0.1 | 0.2 | 6 | |
| November | 0.2 | 2.7 | 37 | |
| December | 0.7 | 11.4 | 61.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Cole C near Salt Springs Dam, CA normally run highest?
- May, on the long-term record. The median daily flow that month is about 204.1 cfs, against 0.1 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 Cole C near Salt Springs Dam, CA?
- It depends on the month. In January, half of days historically fall near 18.6 cfs, with the middle 80% of days between 2.6 and 73.1 cfs. The month-by-month table on this page gives the full range.
- How long has Cole C near Salt Springs Dam, CA been measured?
- Discharge records at USGS site 11315000 begin in 1927, about 99 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Cole C near Salt Springs Dam, CA?
- The gauge sits at 38.51908, -120.21269, in California, in hydrologic subbasin 18040012, at an elevation of about 5,920 feet, draining roughly 21 square miles.
- Can I use Cole C near Salt Springs Dam, CA 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
- Cole C below Diversion Dam near Salt Springs Dam, CA
- Bear River below Lo Bear River Dam, CA
- Bear River below Bear River Diversion Dam, CA
- Tiger C below Regulator Reservoir near Pioneer, CA
- NF Mokelumne River below Tiger C Reservoir near West Pt, CA
- Forest C near Wilseyville, CA
- MF Mokelumne River A West Point, CA
- SF Mokelumne River near West Point, CA