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Naugatuck River at Thomaston water level

River gauge, Naugatuck River, Connecticut, United States

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Right now

Normal for mid-October

Water level

1.98ft Down 0.07 ft over the last 24 hours

Flow
62.0 cfs
2.0 2.5

History

History
1.52.02.53.0ftOct 13Oct 14Oct 16Oct 17Oct 191.52.02.53.0ftOct 13Oct 16Oct 19
234ftSep 20Sep 27Oct 4Oct 12Oct 19234ftSep 20Oct 4Oct 19
234ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026234ftOct 2025Apr 2026Oct 2026
234ftJanMarMayJulSepNov2026234ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Naugatuck River at Thomaston reads 1.98 ft, a normal level for mid-October.

The median for mid-October is 2.12 ft, based on 29 years of readings, so the river stage is 0.14 ft below typical. On the same day last year the reading was 1.74 ft, a difference of +0.24 ft.

The level is falling, down 0.07 ft over the past 24 hours. Over the past 30 days it has moved between 1.66 ft and 2.69 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Median for this date
2.12 ft0.14 ft below the median for this date
Normal for this date
1.61 ft – 2.52 ft8 years in 10 fall in this range (29 years of records)
Same day last year
1.74 ft+0.24 ft
Lowest and highest in 30 days
1.66 ft – 2.69 ft
Lowest and highest in 12 months
1.61 ft – 4.46 ft

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:09 AM Sunset 06:06 PM Daylight 10 hr, 57 min First quarter 60%

Map

Other gauges on the Naugatuck River

Gauge Level Compared with normal 24 hours Distance
Naugatuck River at WaterburyRiver gauge, Naugatuck River 138 cfs Normal −26.0 cfs 8 mi
Naugatuck River at Beacon FallsRiver gauge, Naugatuck River 1.81 ft Normal −0.12 ft 16 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Nonewaug River at MinortownRiver gauge, Nonewaug River 3.19 ft Very high −0.05 ft 9 mi
Bunnell Brook near BurlingtonRiver gauge, Bunnell Brook 2.15 ft Normal −0.04 ft 9 mi
Quinnipiac River at SouthingtonRiver gauge, Quinnipiac River 3.18 ft Normal −0.07 ft 11 mi
Farmington River at UnionvilleRiver gauge, Farmington River 5.24 ft Normal −0.10 ft 11 mi
Weekeepeemee River at HotchkissvilleRiver gauge, Weekeepeemee River 2.44 ft High −0.02 ft 11 mi
Nepaug River near NepaugRiver gauge, Nepaug River 14.0 cfs Normal −3.7 cfs 11 mi
Shepaug River at Peters Dam at WoodvilleRiver gauge, Shepaug River 1.42 ft Normal −0.01 ft 12 mi
Honeypot Brook at Creamery Road at CheshireRiver gauge, Honeypot Brook 9.3 cfs Normal −0.4 cfs 13 mi

Questions and answers

Is the Naugatuck River at Thomaston higher than last year?

Yes, it is 0.24 ft higher than on the same day last year, when the reading was 1.74 ft.

What is a normal level for the Naugatuck River at Thomaston in mid-October?

The median for mid-October is 2.12 ft. In 8 years out of 10 the reading falls between 1.61 ft and 2.52 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 Naugatuck River at Thomaston today?

On Oct 19, 2026, 09:30 AM EDT, the water level was 1.98 ft. Down 0.07 ft over the last 24 hours.

Is Naugatuck River at Thomaston rising or falling?

Down 0.07 ft over the last 24 hours. Down 0.71 ft over the last 7 days.

Is the level of Naugatuck River at Thomaston normal?

Normal 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:01206900 (Agency page)
Coordinates
41.67360, -73.06953 (WGS84)
Vertical datum
NGVD29
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 1.98 ft 2026-10-19 13:30 Provisional
Flow 62.0 cfs 2026-10-19 13:30 Provisional

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How to cite

U.S. Geological Survey: Naugatuck River at Thomaston (usgs:01206900). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/connecticut/naugatuck-river-at-thomaston

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.