How high is the West Branch Brandywine Creek at Coatesville, PA right now?

The West Branch Brandywine Creek at Coatesville, PA is currently flowing at 18 cubic feet per second with a gage height of 3.60 feet, based on the most recent USGS instantaneous reading.

Is the flow on the West Branch Brandywine Creek at Coatesville, PA normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 9th percentile compared to the long-term historical record at this gauge.

Is the West Branch Brandywine Creek at Coatesville, PA at flood stage?

No — the gage height is 3.40 feet below the NWS flood-stage threshold of 7.0 feet.

What is the historical median flow for the West Branch Brandywine Creek at Coatesville, PA on June 11?

The long-term median discharge for this date is 36 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 20 to 123 cfs.

Where is the West Branch Brandywine Creek at Coatesville, PA stream gauge located?

The West Branch Brandywine Creek at Coatesville, PA stream gauge is operated by the USGS in Chester County, PA on the West Branch Brandywine Creek. USGS site number 01480500 (coordinates 39.9857, -75.8274).

West Branch Brandywine Creek at Coatesville, PA

USGS Site No: 01480500 • West Branch Brandywine Creek • Chester County, PA

West Branch Brandywine Creek at Coatesville, PA on the West Branch Brandywine Creek is currently at 18 cfs (Very Low — 9th percentile for this date) . Gage height: 3.60 ft.

Reading from 1 week ago

↑ Upstream on West Branch Brandywine Creek

West Branch Brandywine Creek Near Honey Brook, PA

Downstream on West Branch Brandywine Creek ↓

West Branch Brandywine Creek at Modena, PA

CFS Discharge

3.60

Gage Height (ft)

Very 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	20	Today: 18 cfs
25th	Low threshold	28
50th (Median)	Normal (median)	36
75th	High threshold	61
95th	Very High threshold	123

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	32	—
May 27, 2026	38	—
May 26, 2026	47	—
May 25, 2026	73	—
May 24, 2026	162	—
May 23, 2026	34	—
May 22, 2026	25	—
May 21, 2026	23	—
May 20, 2026	16	—
May 19, 2026	14	—
May 18, 2026	14	—
May 17, 2026	14	—
May 16, 2026	17	—
May 15, 2026	24	—
Apr 21, 2026	18	—
Apr 20, 2026	23	—
Apr 19, 2026	24	—
Apr 18, 2026	22	—
Apr 17, 2026	19	—
Apr 16, 2026	20	—
Apr 15, 2026	22	—
Apr 14, 2026	20	—
Apr 13, 2026	22	—
Apr 12, 2026	24	—
Apr 11, 2026	26	—
Apr 10, 2026	27	—
Apr 9, 2026	28	—
Apr 8, 2026	30	—
Apr 7, 2026	36	—
Apr 6, 2026	47	—

Station Information

USGS Site No: 01480500
State: PA
County: Chester County
Coordinates: 39.9857, -75.8274
Drainage Area: 46 mi²
Datum (ft): 306.1
HUC Code: 02040205

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 6.0 ft
Flood Stage: 7.0 ft
Moderate Flood: 9.0 ft
Major Flood: 11.0 ft

Currently 3.40 ft below flood stage.

Recent Extremes

Max discharge: 582 cfs

Jul 1, 2025
Min discharge: 9 cfs

Sep 22, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Red Clay Creek at Wooddale, DE
18.4 mi · 34 cfs

Normal
Brandywine Creek at Wilmington, DE
20.0 mi · 245 cfs

Normal
Calf Run at Marshallton, DE
20.1 mi · 0 cfs

Normal
Pike Creek Near Newark, DE
20.5 mi · 3 cfs

Normal
White Clay Creek at Newark, DE
20.9 mi · 55 cfs

Normal