How high is the Housatonic River at Stevenson, CT right now?

The Housatonic River at Stevenson, CT is currently flowing at 4,030 cubic feet per second with a gage height of 6.72 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Housatonic River at Stevenson, CT normal for this time of year?

Current flow is classified as high for June 11. Today's discharge is at the 81th percentile compared to the long-term historical record at this gauge.

Is the Housatonic River at Stevenson, CT at flood stage?

No — the gage height is 4.28 feet below the NWS flood-stage threshold of 11.0 feet.

What is the historical median flow for the Housatonic River at Stevenson, CT on June 11?

The long-term median discharge for this date is 1,690 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 517 to 6,570 cfs.

Where is the Housatonic River at Stevenson, CT stream gauge located?

The Housatonic River at Stevenson, CT stream gauge is operated by the USGS in Naugatuck Valley Planning Region, CT on the Housatonic River. USGS site number 01205500 (coordinates 41.3838, -73.1666).

Housatonic River at Stevenson, CT

USGS Site No: 01205500 • Housatonic River • Naugatuck Valley Planning Region, CT

Housatonic River at Stevenson, CT on the Housatonic River is currently at 4,030 cfs (High — 81th percentile for this date) . Gage height: 6.72 ft.

Reading from 1 week ago

↑ Upstream on Housatonic River

Housatonic River at Gaylordsville, CT

4,030

CFS Discharge

6.72

Gage Height (ft)

High

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	517
25th	Low threshold	951
50th (Median)	Normal (median)	1,690
75th	High threshold	2,860
95th	Very High threshold	6,570	Today: 4,030 cfs

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	1,150	3.30
May 27, 2026	2,600	5.06
May 26, 2026	2,150	4.59
May 25, 2026	1,440	3.73
May 24, 2026	1,060	3.27
May 23, 2026	923	3.12
May 22, 2026	1,060	3.28
May 21, 2026	857	3.03
May 20, 2026	1,630	3.92
May 19, 2026	1,830	4.13
May 18, 2026	1,210	3.40
May 17, 2026	1,210	3.41
May 16, 2026	1,190	3.39
May 15, 2026	1,800	4.16
Apr 21, 2026	3,210	5.68
Apr 20, 2026	2,870	5.31
Apr 19, 2026	3,040	5.47
Apr 18, 2026	4,170	6.70
Apr 17, 2026	3,520	5.96
Apr 16, 2026	2,410	4.79
Apr 15, 2026	3,050	5.47
Apr 14, 2026	2,240	4.62
Apr 13, 2026	2,100	4.47
Apr 12, 2026	1,930	4.29
Apr 11, 2026	1,920	4.26
Apr 10, 2026	2,900	5.32
Apr 9, 2026	2,250	4.63
Apr 8, 2026	2,970	5.43
Apr 7, 2026	2,400	4.77
Apr 6, 2026	3,290	5.75

Station Information

USGS Site No: 01205500
State: CT
County: Naugatuck Valley Planning Region
Coordinates: 41.3838, -73.1666
Drainage Area: 1,544 mi²
Datum (ft): 23.7
HUC Code: 011000051003

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 8.0 ft
Flood Stage: 11.0 ft
Moderate Flood: 15.0 ft
Major Flood: 20.0 ft

Currently 4.28 ft below flood stage.

Recent Extremes

Max discharge: 14,100 cfs

Mar 12, 2026
Min discharge: 294 cfs

Sep 22, 2025
Days at flood stage: 3

Computed from the local daily-values archive.

Nearby Gauges

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6.5 mi · 16 cfs

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Naugatuck River at Beacon Falls, CT
6.8 mi · 213 cfs

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Pomperaug River at Southbury, CT
7.4 mi · 50 cfs

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Hop Brook Near Naugatuck, CT
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Unknown