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SwedenWhitemarsh Run at White Marsh water level
River gauge, Whitemarsh Run, Maryland, United States
Right now
Below flood stage
Water level
- Flow
- 3.0 cfs
History
What this means
Whitemarsh Run at White Marsh is at 2.90 ft, in the normal range.
It is 8.10 ft below the flood stage of 11.00 ft.
It has dropped 0.05 ft over the past 24 hours. In the last month it has stayed between 2.90 ft and 4.32 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 18.49 ftAugust 1, 1971
Floating and fishing near Whitemarsh Run at White Marsh
Normal flows mean predictable rapids and good access at most put-ins.
Flood stage here is 11.00 ft, 8.10 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
What happens at each level
- 18.00 ft
- Major flooding is occurring with buildings and roads severely impacted.
- 15.00 ft
- Water begins to affect buildings near the stream.
- 13.00 ft
- Town Center Court begins to flood.
- 11.00 ft
- Water begins to cover parking lots near the stream, particularly near Town Center Court.
- 2.90 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 18.49 ft | August 1, 1971 |
| 2 | 16.73 ft | September 30, 2010 |
| 3 | 16.17 ft | August 27, 1978 |
| 4 | 16.11 ft | June 27, 2015 |
| 5 | 15.86 ft | September 11, 1971 |
| 6 | 15.86 ft | June 10, 2012 |
| 7 | 15.84 ft | September 16, 1976 |
| 8 | 15.55 ft | July 16, 1989 |
| 9 | 15.53 ft | September 27, 1985 |
| 10 | 15.50 ft | September 23, 2011 |
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on Whitemarsh Run
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Whitemarsh Run near FullertonRiver gauge, Whitemarsh Run | 1.12 ft | Below flood stage | −0.03 ft | 2.7 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Honeygo Run near White MarshRiver gauge, Honeygo Run | 0.53 ft | Below flood stage | −0.02 ft | 1.1 mi |
| Long Green Creek at Glen ArmRiver gauge, Long Green Creek | 1.01 ft | Below flood stage | −0.02 ft | 6.1 mi |
| Foster Branch near JoppatowneRiver gauge, Foster Branch | 0.4 cfs | High | −0.3 cfs | 6.1 mi |
| Minebank Run near Glen ArmRiver gauge, Minebank Run | 4.12 ft | Below flood stage | −0.01 ft | 7 mi |
| Herring Run at Sinclair Lane at BaltimoreRiver gauge, Herring Run | 30.5 cfs | Very high | −0.7 cfs | 7 mi |
| West Branch Herring Run at IdlewyldeRiver gauge, West Branch Herring Run | 0.90 ft | Below flood stage | −0.04 ft | 7 mi |
| Long Quarter Branch at LuthervilleRiver gauge, Long Quarter Branch | 0.99 ft | Below flood stage | −0.02 ft | 9 mi |
| Little Gunpowder Falls at Laurel BrookRiver gauge, Little Gunpowder Falls | 1.09 ft | Below flood stage | −0.06 ft | 9 mi |
Questions and answers
What is flood stage for Whitemarsh Run at White Marsh?
The official flood stage is 11.00 ft. The level is currently 8.10 ft below it.
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 Whitemarsh Run at White Marsh today?
On Oct 19, 2026, 05:00 AM EDT, the water level was 2.90 ft. Down 0.05 ft over the last 24 hours.
Is Whitemarsh Run at White Marsh rising or falling?
Down 0.05 ft over the last 24 hours.
Is the level of Whitemarsh Run at White Marsh normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Whitemarsh Run at White Marsh?
The highest level on record is 18.49 ft on August 1, 1971.
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.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:01585100(Agency page)- Coordinates
39.37078, -76.44606(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 | 2.90 ft | 2026-10-19 09:00 | Provisional |
| Flow | 3.0 cfs | 2026-10-19 09:00 | Provisional |
Download
Embed this gauge
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How to cite
U.S. Geological Survey: Whitemarsh Run at White Marsh (usgs:01585100). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/whitemarsh-run-at-white-marsh
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