Morgan Run Near Louisville, MD

USGS Site No: 01586610Morgan Run • Carroll County, MD

Morgan Run Near Louisville, MD on the Morgan Run is currently at 22 cfs (Normal — 48th percentile for this date) . Gage height: 1.61 ft.

Reading from

22
CFS Discharge
1.61
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 12
25th Low threshold 18
50th (Median) Normal (median) 22 Today: 22 cfs
75th High threshold 35
95th Very High threshold 86

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.

298 149 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 28
May 27, 2026 33
May 26, 2026 34
May 25, 2026 50
May 24, 2026 127
May 23, 2026 117
May 22, 2026 24
May 21, 2026 25
May 20, 2026 17
May 19, 2026 11
May 18, 2026 11
May 17, 2026 12
May 16, 2026 12
May 15, 2026 13
Apr 21, 2026 16
Apr 20, 2026 17
Apr 19, 2026 19
Apr 18, 2026 16
Apr 17, 2026 17
Apr 16, 2026 18
Apr 15, 2026 19
Apr 14, 2026 18
Apr 13, 2026 18
Apr 12, 2026 18
Apr 11, 2026 19
Apr 10, 2026 20
Apr 9, 2026 20
Apr 8, 2026 21
Apr 7, 2026 22
Apr 6, 2026 25

Station Information

USGS Site No
01586610
State
MD
Coordinates
39.4519, -76.9553
Drainage Area
28 mi²
Datum (ft)
422.0
HUC Code
02060003
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
12.0 ft
Flood Stage
16.0 ft

Currently 14.39 ft below flood stage.

Recent Extremes

Max discharge
127 cfs
May 24, 2026
Min discharge
6 cfs
Sep 15, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges