How high is the Northwest Branch Anacostia River at Brentwood, MD right now?

The Northwest Branch Anacostia River at Brentwood, MD is currently flowing at 22 cubic feet per second with a gage height of 1.25 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Northwest Branch Anacostia River at Brentwood, MD normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 57th percentile compared to the long-term historical record at this gauge.

Is the Northwest Branch Anacostia River at Brentwood, MD at flood stage?

No — the gage height is 8.75 feet below the NWS flood-stage threshold of 10.0 feet.

What is the historical median flow for the Northwest Branch Anacostia River at Brentwood, MD on June 11?

The long-term median discharge for this date is 14 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to unavailable cfs.

Where is the Northwest Branch Anacostia River at Brentwood, MD stream gauge located?

The Northwest Branch Anacostia River at Brentwood, MD stream gauge is operated by the USGS in Prince George's County, MD on the Northwest Branch Anacostia River. USGS site number 01651003 (coordinates 38.9490, -76.9562).

Northwest Branch Anacostia River at Brentwood, MD

USGS Site No: 01651003 • Northwest Branch Anacostia River • Prince George's County, MD

Northwest Branch Anacostia River at Brentwood, MD on the Northwest Branch Anacostia River is currently at 22 cfs (Normal — 57th percentile for this date) . Gage height: 1.25 ft.

Reading from 1 week ago

↑ Upstream on Northwest Branch Anacostia River

Northwest Branch Anacostia River near Colesville, MD

CFS Discharge

1.25

Gage Height (ft)

Normal

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	0
25th	Low threshold	10
50th (Median)	Normal (median)	14
75th	High threshold	42	Today: 22 cfs
95th	Very High threshold	0

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	31	—
May 27, 2026	37	—
May 26, 2026	52	—
May 25, 2026	85	—
May 24, 2026	511	—
May 23, 2026	192	—
May 22, 2026	75	—
May 21, 2026	131	—
May 20, 2026	18	—
May 19, 2026	11	—
May 18, 2026	12	—
May 17, 2026	13	—
May 16, 2026	14	—
May 15, 2026	21	—
Apr 21, 2026	16	—
Apr 20, 2026	18	—
Apr 19, 2026	19	—
Apr 18, 2026	16	—
Apr 17, 2026	17	—
Apr 16, 2026	18	—
Apr 15, 2026	18	—
Apr 14, 2026	19	—
Apr 13, 2026	19	—
Apr 12, 2026	19	—
Apr 11, 2026	20	—
Apr 10, 2026	21	—
Apr 9, 2026	21	—
Apr 8, 2026	22	—
Apr 7, 2026	27	—
Apr 6, 2026	49	—

Station Information

USGS Site No: 01651003
State: MD
County: Prince George's County
Coordinates: 38.9490, -76.9562
Drainage Area: 51 mi²
Datum (ft): 3.6
HUC Code: 02070010

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 8.0 ft
Flood Stage: 10.0 ft

Currently 8.75 ft below flood stage.

Recent Extremes

Max discharge: 1,020 cfs

Jul 19, 2025
Min discharge: 5 cfs

Oct 17, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Fourmile Run at Alexandria, VA
10.1 mi · 4 cfs

Low
Patapsco River Near Elkridge, MD
22.9 mi · 132 cfs

Normal
Patapsco River Near Catonsville, MD
23.3 mi · 123 cfs

Normal
East Branch Herbert Run at Arbutus, MD
24.6 mi · 1 cfs

Normal
Patapsco River at Hollofield, MD
26.5 mi · 92 cfs

Normal