Zekiah Swamp Run Near Newtown, MD

USGS Site No: 01660920Zekiah Swamp Run • Charles County, MD

Zekiah Swamp Run Near Newtown, MD on the Zekiah Swamp Run is currently at 9 cfs (Low — 24th percentile for this date) . Gage height: 0.79 ft.

Reading from

9
CFS Discharge
0.79
Gage Height (ft)
Low
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 1
25th Low threshold 10 Today: 9 cfs
50th (Median) Normal (median) 22
75th High threshold 65
95th Very High threshold 536

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.

662 331 0 cfs Apr 4 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 17
May 27, 2026 24
May 24, 2026 28
May 23, 2026 4
May 22, 2026 1
May 21, 2026 1
May 20, 2026 1
May 19, 2026 2
May 18, 2026 3
May 17, 2026 3
May 16, 2026 4
May 15, 2026 4
Apr 21, 2026 6
Apr 20, 2026 7
Apr 19, 2026 8
Apr 18, 2026 9
Apr 17, 2026 12
Apr 16, 2026 14
Apr 15, 2026 16
Apr 14, 2026 17
Apr 13, 2026 16
Apr 12, 2026 19
Apr 11, 2026 20
Apr 10, 2026 22
Apr 9, 2026 25
Apr 8, 2026 28
Apr 7, 2026 33
Apr 6, 2026 32
Apr 5, 2026 30
Apr 4, 2026 32

Station Information

USGS Site No
01660920
State
MD
Coordinates
38.4906, -76.9271
Drainage Area
80 mi²
Datum (ft)
34.1
HUC Code
02070011
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
5.0 ft
Flood Stage
11.0 ft

Currently 10.21 ft below flood stage.

Recent Extremes

Max discharge
659 cfs
Jul 15, 2025
Min discharge
0 cfs
Sep 6, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges