Chickasaw Creek at St. Marys OH

USGS Site No: 402913084285400 • Chickasaw Creek • Mercer County, OH

Chickasaw Creek at St. Marys OH on the Chickasaw Creek is currently at 19 cfs (Very High — 95th percentile for this date) . Gage height: 3.90 ft.

Reading from

19
CFS Discharge
3.90
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 2
25th Low threshold 3
50th (Median) Normal (median) 6
75th High threshold 14
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.

90 45 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 46 —
May 26, 2026 11 —
May 25, 2026 15 —
May 24, 2026 23 —
May 23, 2026 35 —
May 22, 2026 16 —
May 21, 2026 29 —
May 20, 2026 83 —
May 19, 2026 82 —
May 18, 2026 10 —
May 17, 2026 3 —
May 16, 2026 3 —
May 15, 2026 3 —
Apr 21, 2026 2 —
Apr 20, 2026 2 —
Apr 19, 2026 3 —
Apr 18, 2026 6 —
Apr 17, 2026 6 —
Apr 16, 2026 10 —
Apr 15, 2026 32 —
Apr 14, 2026 14 —
Apr 13, 2026 3 —
Apr 12, 2026 4 —
Apr 11, 2026 4 —
Apr 10, 2026 5 —
Apr 9, 2026 6 —
Apr 8, 2026 7 —
Apr 7, 2026 9 —
Apr 6, 2026 13 —
Apr 5, 2026 19 —

Station Information

USGS Site No
402913084285400
State
OH
County
Mercer County
Coordinates
40.4869, -84.4817
Drainage Area
16 mi²
Datum (ft)
867.5
HUC Code
05120101
View on USGS NWIS →

Recent Extremes

Max discharge
494 cfs
Mar 27, 2026
Min discharge
0 cfs
Sep 21, 2025

Computed from the local daily-values archive.

Nearby Gauges

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