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Arrowhead Run at Thayerville water level

River gauge, Arrowhead Run, Maryland, United States

Directions

Right now

High for mid-October

Water level

2.81ft Down 0.07 ft over the last 24 hours

Flow
1.1 cfs
1 3 4 5

History

History
2.832.852.88ftOct 16Oct 16Oct 17Oct 17Oct 182.832.852.88ftOct 16Oct 17Oct 18
Water level

What this means

Arrowhead Run at Thayerville is above normal at 2.81 ft.

It has dropped 0.07 ft over the past 24 hours. In the last month it has stayed between 2.81 ft and 2.92 ft.

That stands out in fall, when many rivers are usually near their lowest.

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

Floating and fishing near Arrowhead Run at Thayerville

Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:31 AM Sunset 06:35 PM Daylight 11 hr, 4 min First quarter 45%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Cherry Creek at State Park Road near McHenryRiver gauge, Cherry Creek 16.2 cfs Normal −3.0 cfs 2.5 mi
North Glade Run near SwantonRiver gauge, North Glade Run 3.2 cfs Normal −1.1 cfs 4.0 mi
Youghiogheny River near McHenryRiver gauge, Youghiogheny River 492 cfs Normal −489.0 cfs 4.7 mi
Youghiogheny River near OaklandRiver gauge, Youghiogheny River 300 cfs High −28.0 cfs 8 mi
North Branch Potomac River at KitzmillerRiver gauge, North Branch Potomac River 3.21 ft Below flood stage −0.08 ft 11 mi
Savage River below Savage River Dam near BloomingtonRiver gauge, Savage River 74.2 cfs Normal ±0 11 mi
Bear Creek at FriendsvilleRiver gauge, Bear Creek 66.5 cfs High −8.6 cfs 11 mi
Youghiogheny River at FriendsvilleRiver gauge, Youghiogheny River 477 cfs High −449.0 cfs 11 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 Arrowhead Run at Thayerville today?

On Oct 17, 2026, 09:15 PM EDT, the water level was 2.81 ft. Down 0.07 ft over the last 24 hours.

Is Arrowhead Run at Thayerville rising or falling?

Down 0.07 ft over the last 24 hours.

Is the level of Arrowhead Run at Thayerville normal?

High for mid-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:03075850 (Agency page)
Coordinates
39.50275, -79.32719 (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

ParameterLast valueTime (UTC)Quality
Water level 2.81 ft 2026-10-18 01:15 Provisional
Flow 1.1 cfs 2026-10-18 01:15 Provisional

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How to cite

U.S. Geological Survey: Arrowhead Run at Thayerville (usgs:03075850). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/arrowhead-run-at-thayerville

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.