How high is the St. Johns River Above Lake Harney Near Geneva, FL right now?

The St. Johns River Above Lake Harney Near Geneva, FL is currently flowing at 225 cubic feet per second with a gage height of 1.03 feet, based on the most recent USGS instantaneous reading.

Is the flow on the St. Johns River Above Lake Harney Near Geneva, FL normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 19th percentile compared to the long-term historical record at this gauge.

Is the St. Johns River Above Lake Harney Near Geneva, FL at flood stage?

No — the gage height is 6.97 feet below the NWS flood-stage threshold of 8.0 feet.

What is the historical median flow for the St. Johns River Above Lake Harney Near Geneva, FL on June 11?

The long-term median discharge for this date is 680 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 150 to 3,020 cfs.

Where is the St. Johns River Above Lake Harney Near Geneva, FL stream gauge located?

The St. Johns River Above Lake Harney Near Geneva, FL stream gauge is operated by the USGS in Seminole County, FL on the St. Johns River. USGS site number 02234000 (coordinates 28.7142, -81.0353).

St. Johns River Above Lake Harney Near Geneva, FL

USGS Site No: 02234000 • St. Johns River • Seminole County, FL

St. Johns River Above Lake Harney Near Geneva, FL on the St. Johns River is currently at 225 cfs (Low — 19th percentile for this date) . Gage height: 1.03 ft.

Reading from 1 week ago

↑ Upstream on St. Johns River

St. Johns River Near Christmas, FL

Downstream on St. Johns River ↓

St. Johns River Near Sanford, FL

225

CFS Discharge

1.03

Gage Height (ft)

Low

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	150
25th	Low threshold	282	Today: 225 cfs
50th (Median)	Normal (median)	680
75th	High threshold	1,110
95th	Very High threshold	3,020

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	296	0.99
May 27, 2026	353	1.04
May 26, 2026	398	1.12
May 25, 2026	440	1.21
May 24, 2026	392	1.29
May 23, 2026	425	1.35
May 22, 2026	387	1.38
May 21, 2026	380	1.39
May 20, 2026	388	1.41
May 19, 2026	441	1.43
May 18, 2026	423	1.47
May 17, 2026	459	1.52
May 16, 2026	559	1.55
May 15, 2026	489	1.55
Apr 21, 2026	847	1.58
Apr 20, 2026	751	1.61
Apr 19, 2026	761	1.64
Apr 18, 2026	819	1.68
Apr 17, 2026	819	1.73
Apr 16, 2026	779	1.77
Apr 15, 2026	780	1.82
Apr 14, 2026	736	1.85
Apr 13, 2026	715	1.86
Apr 12, 2026	662	1.85
Apr 11, 2026	620	1.74
Apr 10, 2026	633	1.57
Apr 7, 2026	493	1.16
Apr 6, 2026	466	1.14
Apr 5, 2026	513	1.12
Apr 4, 2026	431	1.16

Station Information

USGS Site No: 02234000
State: FL
County: Seminole County
Coordinates: 28.7142, -81.0353
Drainage Area: 2,043 mi²
HUC Code: 03080101

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 6.0 ft
Flood Stage: 8.0 ft
Moderate Flood: 9.0 ft
Major Flood: 10.0 ft

Currently 6.97 ft below flood stage.

Recent Extremes

Max discharge: 6,980 cfs

Nov 1, 2025
Min discharge: 115 cfs

May 4, 2025
Days at flood stage: 8

Computed from the local daily-values archive.

Nearby Gauges

Econlockhatchee River Near Chuluota, FL
5.4 mi · 43 cfs

Normal
Econlockhatchee River Near Oviedo, FL
9.1 mi · 33 cfs

Low
Lake Jesup Outlet Near Sanford, FL
10.1 mi · 994 cfs

Very High
Lt Econlockhatchee River at State Hwy434 near Oviedo, FL
12.3 mi · 19 cfs

Very Low
Howell Creek at State Highway 434 Near Oviedo, FL
13.0 mi · 8 cfs

Low