Sams Creek at Mckinstrys Mill, MD

USGS Site No: 01640152Sams Creek • Carroll County, MD

Sams Creek at Mckinstrys Mill, MD on the Sams Creek is currently at 11 cfs (Very High — 95th percentile for this date) . Gage height: 1.62 ft.

Reading from

11
CFS Discharge
1.62
Gage Height (ft)
Very High
Flow Condition
N/A
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 0
50th (Median) Normal (median) 8
75th High threshold 0
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.

58 29 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 14
May 27, 2026 18
May 26, 2026 17
May 25, 2026 24
May 24, 2026 54
May 23, 2026 50
May 22, 2026 11
May 21, 2026 12
May 20, 2026 6
May 19, 2026 2
May 18, 2026 2
May 17, 2026 2
May 16, 2026 3
May 15, 2026 3
Apr 21, 2026 5
Apr 20, 2026 5
Apr 19, 2026 6
Apr 18, 2026 5
Apr 17, 2026 5
Apr 16, 2026 6
Apr 15, 2026 6
Apr 14, 2026 6
Apr 13, 2026 6
Apr 12, 2026 6
Apr 11, 2026 7
Apr 10, 2026 7
Apr 9, 2026 7
Apr 8, 2026 8
Apr 7, 2026 9
Apr 6, 2026 10

Station Information

USGS Site No
01640152
State
MD
Coordinates
39.5331, -77.1589
Datum (ft)
429.5
HUC Code
02070009
View on USGS NWIS →

Recent Extremes

Max discharge
64 cfs
Jun 18, 2025
Min discharge
1 cfs
Sep 15, 2025

Computed from the local daily-values archive.

Nearby Gauges