How high is the Mccormick Creek at Mouth Near Key Largo, FL right now?

The Mccormick Creek at Mouth Near Key Largo, FL is currently flowing at -100 cubic feet per second with a gage height of 0.18 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Mccormick Creek at Mouth Near Key Largo, FL normal for this time of year?

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

What is the historical median flow for the Mccormick Creek at Mouth Near Key Largo, FL on June 11?

The long-term median discharge for this date is -32 cfs based on USGS daily statistics. The 10th–95th percentile range historically is -90 to 246 cfs.

Where is the Mccormick Creek at Mouth Near Key Largo, FL stream gauge located?

The Mccormick Creek at Mouth Near Key Largo, FL stream gauge is operated by the USGS in Miami-Dade County, FL on the Mccormick Creek. USGS site number 251003080435500 (coordinates 25.1682, -80.7336).

Mccormick Creek at Mouth Near Key Largo, FL

USGS Site No: 251003080435500 • Mccormick Creek • Miami-Dade County, FL

Mccormick Creek at Mouth Near Key Largo, FL on the Mccormick Creek is currently at -100 cfs (Very Low — 11th percentile for this date) . Gage height: 0.18 ft.

Reading from 1 week ago

-100

CFS Discharge

0.18

Gage Height (ft)

Very Low

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	-90	Today: -100 cfs
25th	Low threshold	-50
50th (Median)	Normal (median)	-32
75th	High threshold	80
95th	Very High threshold	246

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	-66	0.10
May 27, 2026	-101	0.07
May 26, 2026	-81	0.00
May 25, 2026	-56	-0.05
May 24, 2026	-55	-0.05
May 23, 2026	-96	-0.03
May 22, 2026	-67	-0.13
May 21, 2026	-14	-0.18
May 20, 2026	-16	-0.17
May 19, 2026	13	-0.20
May 18, 2026	42	-0.16
May 17, 2026	-7	-0.06
May 16, 2026	-4	-0.03
May 15, 2026	-61	0.08
Apr 21, 2026	146	-0.53
Apr 20, 2026	-20	-0.13
Apr 19, 2026	-99	-0.03
Apr 18, 2026	-121	-0.07
Apr 17, 2026	-113	-0.16
Apr 16, 2026	-124	-0.21
Apr 15, 2026	-97	-0.32
Apr 14, 2026	—	-0.53
Apr 13, 2026	—	-0.71
Apr 12, 2026	31	-0.68
Apr 11, 2026	102	-0.80
Apr 10, 2026	134	-0.72
Apr 9, 2026	125	-0.45
Apr 8, 2026	-58	-0.16
Apr 7, 2026	-130	-0.14
Apr 6, 2026	-84	-0.42

Station Information

USGS Site No: 251003080435500
State: FL
County: Miami-Dade County
Coordinates: 25.1682, -80.7336
HUC Code: 03090202

View on USGS NWIS →

Recent Extremes

Max discharge: 236 cfs

Nov 11, 2025
Min discharge: -142 cfs

Mar 22, 2026

Computed from the local daily-values archive.

Nearby Gauges

Oyster Creek Near Flamingo, FL
0.5 mi · -41 cfs

Normal
Alligator Creek Near Garfield Bight, FL
3.7 mi · -73 cfs

Very Low
Cuthbert Lake Outlet Near Flamingo, FL
4.0 mi · 7 cfs

Very High
West Lake Outlet To Long Lake Near Flamingo, FL
4.8 mi · 24 cfs

Very High
Upstream Taylor River Near Homestead, FL
6.1 mi · 4 cfs

Unknown