How high is the Deer Creek at Rocks, MD right now?

The Deer Creek at Rocks, MD is currently flowing at 81 cubic feet per second with a gage height of 2.27 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Deer Creek at Rocks, MD normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 31th percentile compared to the long-term historical record at this gauge.

Is the Deer Creek at Rocks, MD at flood stage?

No — the gage height is 8.73 feet below the NWS flood-stage threshold of 11.0 feet.

What is the historical median flow for the Deer Creek at Rocks, MD on June 11?

The long-term median discharge for this date is 98 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 57 to 287 cfs.

Where is the Deer Creek at Rocks, MD stream gauge located?

The Deer Creek at Rocks, MD stream gauge is operated by the USGS in Harford County, MD on the Deer Creek. USGS site number 01580000 (coordinates 39.6300, -76.4033).

Deer Creek at Rocks, MD

USGS Site No: 01580000 • Deer Creek • Harford County, MD

Deer Creek at Rocks, MD on the Deer Creek is currently at 81 cfs (Normal — 31th percentile for this date) . Gage height: 2.27 ft.

Reading from 1 week ago

Downstream on Deer Creek ↓

Deer Creek Near Darlington, MD

CFS Discharge

2.27

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	57
25th	Low threshold	76
50th (Median)	Normal (median)	98	Today: 81 cfs
75th	High threshold	140
95th	Very High threshold	287

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	97	—
May 27, 2026	106	—
May 26, 2026	117	—
May 25, 2026	155	—
May 24, 2026	340	—
May 23, 2026	137	—
May 22, 2026	114	—
May 21, 2026	114	—
May 20, 2026	60	—
May 19, 2026	58	—
May 18, 2026	59	—
May 17, 2026	60	—
May 16, 2026	61	—
May 15, 2026	65	—
Apr 21, 2026	70	—
Apr 20, 2026	76	—
Apr 19, 2026	77	—
Apr 18, 2026	73	—
Apr 17, 2026	74	—
Apr 16, 2026	78	—
Apr 15, 2026	89	—
Apr 14, 2026	77	—
Apr 13, 2026	76	—
Apr 12, 2026	75	—
Apr 11, 2026	77	—
Apr 10, 2026	79	—
Apr 9, 2026	79	—
Apr 8, 2026	81	—
Apr 7, 2026	87	—
Apr 6, 2026	108	—

Station Information

USGS Site No: 01580000
State: MD
County: Harford County
Coordinates: 39.6300, -76.4033
Drainage Area: 94 mi²
Datum (ft): 249.6
HUC Code: 02050306

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 10.0 ft
Flood Stage: 11.0 ft
Moderate Flood: 13.0 ft
Major Flood: 15.0 ft

Currently 8.73 ft below flood stage.

Recent Extremes

Max discharge: 933 cfs

Jul 31, 2025
Min discharge: 35 cfs

Oct 23, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Bynum Run at Bel Air, MD
7.3 mi · 6 cfs

Normal
Winters Run Near Benson, MD
7.8 mi · 21 cfs

Low
Winters Run Near Bel Air, MD
8.1 mi · 22 cfs

Normal
Little Gunpowder Falls at Laurel Brook, MD
8.7 mi · 24 cfs

Low
Plumtree Run Near Bel Air, MD
9.7 mi · 1 cfs

Low