Boca Reservoir near Truckee water level

Name: Boca Reservoir near Truckee water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Boca Reservoir, California, United States

Directions

Below flood stage

Surface elevation

5,570.53ft Down 0.63 ft over the last 24 hours

Measured Oct 19, 2026, 03:30 AM PDT (50 min ago)

Water stored: 11,930 acre‑ft
Flow: 205 cfs

History

7 days

Surface elevation Minor flood stage

What this means

Nothing unusual at Boca Reservoir near Truckee right now: the lake level of 5,570.53 ft is in the normal range.

It is 34.47 ft below the flood stage of 5,605.00 ft.

The level is falling, down 0.63 ft over the past 24 hours. Over the past 30 days it has moved between 5,570.53 ft and 5,572.36 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 5,605.55 ftDecember 23, 1955

Swimming and boating at Boca Reservoir near Truckee

At a normal level, ramps and marinas generally run as usual, and fishing tends to follow the season more than the water level.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

What happens at each level

5,612.00 ft: Crest of dam...
5,605.00 ft: Maximum water surface elevation/Upper limit of flood control. 40870 acre-feet.
5,596.40 ft: Lower limit of flood control elevation; 32870 af.
5,589.00 ft: Spillway crest elevation, 26650 acre-feet.
5,570.53 ft: Right now
5,521.00 ft: Top of dead storage; top elevation of outlet works. 240 acre-feet.
5,512.00 ft: Streambed at dam axis. Zero storage.

Impact statements from the U.S. National Weather Service.

Weather at the gauge

No rain in the last 3 days.

17 Sat 75° 26° – Wind 11 mph

18 Sun 70° 38° – Wind 13 mph

19 Mon 65° 41° – Wind 18 mph

20 Tue 61° 39° 0.50 in Wind 8 mph

21 Wed 49° 39° 0.67 in, 68% Wind 5 mph

22 Thu 44° 39° 0.14 in, 59% Wind 5 mph

23 Fri 56° 35° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:15 AM Sunset 06:17 PM Daylight 11 hr, 2 min First quarter 58%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Little Truckee River below Boca Dam near TruckeeRiver gauge, Little Truckee River	200 cfs	High	±0	0.1 mi
Truckee R A Boca Bridge near TruckeeRiver gauge, Truckee R A Boca Bridge	391 cfs	Normal	−5.0 cfs	0.5 mi
Prosser Creek below Prosser C Dam near TruckeeRiver gauge, Prosser Creek	71.9 cfs	Normal	±0	2.2 mi
Truckee River below Martis Creek near TruckeeRiver gauge, Truckee River	100 cfs	Normal	±0	2.8 mi
Little Truckee River above Boca Reservoir near TruckeeRiver gauge, Little Truckee River	35.5 cfs	Normal	−1.3 cfs	3.3 mi
Truckee R A FaradRiver gauge	3.97 ft	Below flood stage	±0	4.3 mi
Donner Creek at Highway 89 near TruckeeRiver gauge, Donner Creek	2.22 ft	Below flood stage	±0	8 mi
Sagehen Creek near TruckeeRiver gauge, Sagehen Creek	1.8 cfs	Low	±0	8 mi

Questions and answers

Is Boca Reservoir near Truckee really 5,570.53 ft deep?

No. 5,570.53 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Boca Reservoir near Truckee today?

On Oct 19, 2026, 03:30 AM PDT, the surface elevation was 5,570.53 ft. Down 0.63 ft over the last 24 hours.

Is Boca Reservoir near Truckee rising or falling?

Down 0.63 ft over the last 24 hours.

Is the level of Boca Reservoir near Truckee normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Boca Reservoir near Truckee?

The highest level on record is 5,605.55 ft on December 23, 1955.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:10344490 (Agency page)
Coordinates: 39.38877, -120.09628 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	5,570.53 ft	2026-10-19 10:30	Provisional
Water stored	11,930 acre‑ft	2026-10-19 10:30	Provisional
Flow	205 cfs	2026-10-19 10:30	Provisional

Download

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How to cite

U.S. Geological Survey: Boca Reservoir near Truckee (usgs:10344490). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/boca-reservoir-near-truckee

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer