How high is the East Branch Housatonic River at Coltsville, MA right now?

The East Branch Housatonic River at Coltsville, MA is currently flowing at 33 cubic feet per second with a gage height of 0.80 feet, based on the most recent USGS instantaneous reading.

Is the flow on the East Branch Housatonic River at Coltsville, MA normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 23th percentile compared to the long-term historical record at this gauge.

Is the East Branch Housatonic River at Coltsville, MA at flood stage?

No — the gage height is 4.20 feet below the NWS flood-stage threshold of 5.0 feet.

What is the historical median flow for the East Branch Housatonic River at Coltsville, MA on June 11?

The long-term median discharge for this date is 54 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 28 to 235 cfs.

Where is the East Branch Housatonic River at Coltsville, MA stream gauge located?

The East Branch Housatonic River at Coltsville, MA stream gauge is operated by the USGS in Berkshire County, MA on the East Branch Housatonic River. USGS site number 01197000 (coordinates 42.4696, -73.1973).

East Branch Housatonic River at Coltsville, MA

USGS Site No: 01197000 • East Branch Housatonic River • Berkshire County, MA

East Branch Housatonic River at Coltsville, MA on the East Branch Housatonic River is currently at 33 cfs (Low — 23th percentile for this date) . Gage height: 0.80 ft.

Reading from 1 week ago

CFS Discharge

0.80

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	28
25th	Low threshold	34	Today: 33 cfs
50th (Median)	Normal (median)	54
75th	High threshold	91
95th	Very High threshold	235

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	43	—
May 27, 2026	57	—
May 26, 2026	76	—
May 25, 2026	71	—
May 24, 2026	37	—
May 23, 2026	26	—
May 22, 2026	29	—
May 21, 2026	33	—
May 20, 2026	39	—
May 19, 2026	44	—
May 18, 2026	50	—
May 17, 2026	57	—
May 16, 2026	66	—
May 15, 2026	68	—
Apr 21, 2026	84	—
Apr 20, 2026	99	—
Apr 19, 2026	86	—
Apr 18, 2026	75	—
Apr 17, 2026	87	—
Apr 16, 2026	99	—
Apr 15, 2026	78	—
Apr 14, 2026	72	—
Apr 13, 2026	75	—
Apr 12, 2026	74	—
Apr 11, 2026	77	—
Apr 10, 2026	79	—
Apr 9, 2026	97	—
Apr 8, 2026	114	—
Apr 7, 2026	140	—
Apr 6, 2026	149	—

Station Information

USGS Site No: 01197000
State: MA
County: Berkshire County
Coordinates: 42.4696, -73.1973
Drainage Area: 58 mi²
Datum (ft): 993.0
HUC Code: 01100005

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 4.0 ft
Flood Stage: 5.0 ft
Moderate Flood: 8.0 ft
Major Flood: 10.0 ft

Currently 4.20 ft below flood stage.

Recent Extremes

Max discharge: 1,030 cfs

Mar 17, 2026
Min discharge: 11 cfs

Sep 1, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Housatonic River at Lenoxdale, MA
9.1 mi · 132 cfs

Normal
Hoosic River at Adams, MA
10.5 mi · 47 cfs

Normal
Cold River at Florida, MA
16.1 mi · 5 cfs

Normal
Walker Brook Near Becket Center, MA
16.2 mi · 0 cfs

Unknown
Housatonic River Near Great Barrington, MA
18.3 mi · 208 cfs

Low