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Sasco Brook near Southport water level

River gauge, Sasco Brook, Connecticut, United States

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Right now

High for mid-October

Water level

1.41ft Steady over the last 24 hours

Flow
9.5 cfs
1.0 1.3 1.5

History

History
1.01.31.5ftOct 16Oct 17Oct 18Oct 19Oct 201.01.31.5ftOct 16Oct 18Oct 20
1.01.52.0ftSep 21Sep 28Oct 5Oct 13Oct 201.01.52.0ftSep 21Oct 5Oct 20
123ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026123ftOct 2025Apr 2026Oct 2026
123ftJanMarMayJulSepNov2026123ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Sasco Brook near Southport is above normal at 1.41 ft.

That puts it 0.20 ft above the median of 1.21 ft for mid-October, based on 29 years of readings. A year ago it stood at 0.94 ft (+0.47 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 1.36 ft and 2.13 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 29 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.21 ft0.20 ft above the median for this date
Normal for this date
0.89 ft – 1.59 ft8 years in 10 fall in this range (29 years of records)
Same day last year
0.94 ft+0.47 ft
Lowest and highest in 30 days
1.36 ft – 2.13 ft
Lowest and highest in 12 months
0.94 ft – 3.68 ft

Floating and fishing near Sasco Brook near Southport

Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:11 AM Sunset 06:06 PM Daylight 10 hr, 56 min Waxing gibbous 71%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Mill River near FairfieldRiver gauge, Mill River 9.3 cfs Normal −5.4 cfs 2.1 mi
Saugatuck River near WestportRiver gauge, Saugatuck River 97.0 cfs High +1.7 cfs 3.3 mi
Rooster River at FairfieldRiver gauge, Rooster River 12.9 cfs Normal ±0 4.9 mi
Aspetuck River at AspetuckRiver gauge, Aspetuck River 41.7 cfs Very high −2.7 cfs 5.3 mi
Norwalk River at South WiltonRiver gauge, Norwalk River 26.3 cfs Normal −2.0 cfs 6.0 mi
Saugatuck River below Saugatuck Reservoir near Lyons PlainRiver gauge, Saugatuck River 11.4 cfs Normal ±0 7 mi
Fivemile River near New CanaanRiver gauge, Fivemile River 1.86 ft Normal ±0 11 mi
Saugatuck River near ReddingRiver gauge, Saugatuck River 21.0 cfs Normal −2.3 cfs 11 mi

Questions and answers

How does Sasco Brook near Southport compare with last year?

It is 0.47 ft higher than on the same day last year, when the reading was 0.94 ft.

What is a normal level for Sasco Brook near Southport in mid-October?

The median for mid-October is 1.21 ft. In 8 years out of 10 the reading falls between 0.89 ft and 1.59 ft, based on 29 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Sasco Brook near Southport today?

On Oct 20, 2026, 04:30 PM EDT, the water level was 1.41 ft. Steady over the last 24 hours.

Is Sasco Brook near Southport rising or falling?

Steady over the last 24 hours. Down 0.22 ft over the last 7 days.

Is the level of Sasco Brook near Southport normal?

High for mid-October. Compared with 29 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01208950 (Agency page)
Coordinates
41.15277, -73.30593 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.41 ft 2026-10-20 20:30 Provisional
Flow 9.5 cfs 2026-10-20 20:30 Provisional

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How to cite

U.S. Geological Survey: Sasco Brook near Southport (usgs:01208950). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/connecticut/sasco-brook-near-southport

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.