How high is the Black Cypress Bayou at Jefferson, TX right now?

The Black Cypress Bayou at Jefferson, TX is currently flowing at 88 cubic feet per second with a gage height of 6.35 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Black Cypress Bayou at Jefferson, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 36th percentile compared to the long-term historical record at this gauge.

Is the Black Cypress Bayou at Jefferson, TX at flood stage?

No — the gage height is 6.65 feet below the NWS flood-stage threshold of 13.0 feet.

What is the historical median flow for the Black Cypress Bayou at Jefferson, TX on June 11?

The long-term median discharge for this date is 137 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 4 to 1,670 cfs.

Where is the Black Cypress Bayou at Jefferson, TX stream gauge located?

The Black Cypress Bayou at Jefferson, TX stream gauge is operated by the USGS in Marion County, TX on the Black Cypress Bayou. USGS site number 07346045 (coordinates 32.7779, -94.3574).

Black Cypress Bayou at Jefferson, TX

USGS Site No: 07346045 • Black Cypress Bayou • Marion County, TX

Black Cypress Bayou at Jefferson, TX on the Black Cypress Bayou is currently at 88 cfs (Normal — 36th percentile for this date) . Gage height: 6.35 ft.

Reading from 1 week ago

CFS Discharge

6.35

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	4
25th	Low threshold	47
50th (Median)	Normal (median)	137	Today: 88 cfs
75th	High threshold	343
95th	Very High threshold	1,670

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	93	6.45
May 27, 2026	98	6.53
May 26, 2026	80	6.18
May 25, 2026	75	6.08
May 24, 2026	74	6.06
May 23, 2026	48	5.47
May 22, 2026	34	5.13
May 21, 2026	35	5.14
May 20, 2026	125	5.40
May 19, 2026	31	5.05
May 18, 2026	32	5.07
May 17, 2026	34	5.12
May 16, 2026	37	5.20
May 15, 2026	40	5.30
Apr 20, 2026	88	6.18
Apr 19, 2026	92	6.27
Apr 18, 2026	97	6.36
Apr 17, 2026	104	6.50
Apr 16, 2026	117	6.72
Apr 15, 2026	137	7.06
Apr 14, 2026	174	7.61
Apr 13, 2026	247	8.51
Apr 12, 2026	322	9.26
Apr 11, 2026	359	9.60
Apr 10, 2026	379	9.77
Apr 9, 2026	368	9.67
Apr 8, 2026	311	9.16
Apr 6, 2026	247	8.53
Apr 5, 2026	262	8.68
Apr 4, 2026	122	6.71

Station Information

USGS Site No: 07346045
State: TX
County: Marion County
Coordinates: 32.7779, -94.3574
Drainage Area: 365 mi²
Datum (ft): 171.5
HUC Code: 11140306

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.5 ft
Flood Stage: 13.0 ft
Moderate Flood: 18.0 ft
Major Flood: 21.0 ft

Currently 6.65 ft below flood stage.

Recent Extremes

Max discharge: 1,660 cfs

Jun 17, 2025
Min discharge: 0 cfs

Oct 17, 2025
Days at flood stage: 3

Computed from the local daily-values archive.

Nearby Gauges

Little Cypress Bayou near Jefferson, TX
4.5 mi · 172 cfs

Normal
Big Cypress Ck above Sh 43 near Karnack, TX
7.8 mi · 227 cfs

Normal
Big Cypress Bayou near Jefferson, TX
8.4 mi · 16 cfs

Very Low
Little Cypress Ck near Ore City, TX
24.0 mi · 112 cfs

Normal
Paw Paw Bayou Near Greenwood, LA
28.8 mi · 15 cfs

Normal