Mad River above Ruth Reservoir near Forest Glen water level

Name: Mad River above Ruth Reservoir near Forest Glen water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Mad River, California, United States

Directions

Normal for late October

Water level

1.71ft Steady over the last 24 hours

Measured Oct 21, 2026, 12:00 AM PDT (1 hour ago)

Flow: 0.0 cfs

History

7 days

Water level

What this means

Water levels are unremarkable at Mad River above Ruth Reservoir near Forest Glen, where the gauge shows 1.71 ft.

It has barely moved over the past 24 hours. The 30-day range is 1.71 ft – 1.73 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 5 years of daily readings for this time of year. How to read levels

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:31 AM Sunset 06:26 PM Daylight 10 hr, 55 min Waxing gibbous 75%

Map

Other gauges on the Mad River

Gauge	Level	Compared with normal	24 hours	Distance
Mad River near ArcataRiver gauge, Mad River	5.69 ft	Below flood stage	+0.03 ft	58 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Eel R A Fort SewardRiver gauge	7.22 ft	Below flood stage	−0.01 ft	16 mi
Sf Eel River near MirandaRiver gauge, Sf Eel River	6.20 ft	Below flood stage	±0	24 mi
Sf Trinity River below HyampomRiver gauge, Sf Trinity River	66.0 cfs	Normal	±0	27 mi
Trinity R A Douglas CityRiver gauge	369 cfs	High	+10.0 cfs	32 mi
Van Duzen River near BridgevilleRiver gauge, Van Duzen River	−0.32 ft	Below flood stage	−0.02 ft	32 mi
Indian Creek near Douglas CityRiver gauge, Indian Creek	4.5 cfs	Normal	+0.3 cfs	34 mi
Trinity R A Junction CityRiver gauge	341 cfs	Normal	±0	34 mi
Trinity River below Limekiln Gulch near Douglas CityRiver gauge, Trinity River	326 cfs	Normal	+12.0 cfs	35 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Mad River above Ruth Reservoir near Forest Glen today?

On Oct 21, 2026, 12:00 AM PDT, the water level was 1.71 ft. Steady over the last 24 hours.

Is Mad River above Ruth Reservoir near Forest Glen rising or falling?

Steady over the last 24 hours.

Is the level of Mad River above Ruth Reservoir near Forest Glen normal?

Normal for late October. Compared with 5 years of daily readings for this time of year.

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:11480390 (Agency page)
Coordinates: 40.28428, -123.33527 (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
Water level	1.71 ft	2026-10-21 07:00	Provisional
Flow	0.0 cfs	2026-10-21 07:00	Provisional

Download

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How to cite

U.S. Geological Survey: Mad River above Ruth Reservoir near Forest Glen (usgs:11480390). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/mad-river-above-ruth-reservoir-near-forest-glen

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