USGS Streamgage 11434500
Echo Lake Conduit near Phillips, CA
Echo Lake Conduit near Phillips, CA is USGS streamgage 11434500 in California, monitoring river discharge in hydrologic subbasin 16050101. Discharge records at this site go back to 1923. Typical flow runs near 0 cfs in July and 0 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Subbasin (HUC-8)
- 16050101
- Coordinates
- 38.83102, -120.03768
- USGS site number
- 11434500
- Records begin
- 1923-08-23 (103 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 103 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 | 0 | 0 | 0 | |
| February | 0 | 0 | 0 | |
| March | 0 | 0 | 0 | |
| April | 0 | 0 | 0 | |
| May | 0 | 0 | 0 | |
| June | 0 | 0 | 0 | |
| July | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | |
| September | 0 | 15 | 23.6 | |
| October | 0 | 5.4 | 19 | |
| November | 0 | 0.2 | 9.1 | |
| December | 0 | 0 | 0.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Echo Lake Conduit near Phillips, CA normally run highest?
- September, on the long-term record. The median daily flow that month is about 15 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Echo Lake Conduit near Phillips, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 0 cfs. The month-by-month table on this page gives the full range.
- How long has Echo Lake Conduit near Phillips, CA been measured?
- Discharge records at USGS site 11434500 begin in 1923, about 103 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 Echo Lake Conduit near Phillips, CA?
- The gauge sits at 38.83102, -120.03768, in California, in hydrologic subbasin 16050101.
- Can I use Echo Lake Conduit near Phillips, 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
- Upper Truckee River at Hwy 50 above Meyers, CA
- Upper Truckee River at South Lake Tahoe, CA
- General C near Meeks Bay, CA
- Blackwood C near Tahoe City, CA
- Ward C below Confluence near Tahoe City, CA
- Ward C at Hwy 89 near Tahoe Pines, CA
- Third Creek near Crystal Bay, NV
- Incline Creek near Crystal Bay, NV