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River report

Nonewaug River Flow Today

As of October 2, 2026 at 3:45 AM, the Nonewaug River is flowing at 20 cfs at Minortown, CT — 737% of normal for the date and down 16% in 24 hours. ❤ Favorite

USGS gauges
1 1 reporting · upstream → down
Nonewaug River At Minortown: 737% of normal
Typical gauge
737% of normal for the date
0%normal200%
Biggest flow now
20cfs Minortown
Updated
Oct 2, 3:45 AM
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Nonewaug River map

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Every gauge, dam and paddle run on the river, one tap each:

  • Gauges now — which reaches are high or low
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River briefing · Oct 3, 2026

Nonewaug River conditions today

Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.

At Minortown, the Nonewaug River is running 20 cfs — 737% of normal, down 16% since yesterday. Along the river, 1 of 1 reporting gauges are above normal (the typical gauge is at 737% of normal).

In the last 24 hours the river is dropping at Minortown (-16%).

Headwaters to mouth

How the Nonewaug River compares to normal

Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.

Flow along the river, upstream to downstream

  1. Minortown360 ft 20 cfs737%

Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.

Where every gauge sits

One dot per Nonewaug River streamgauge, placed by its own percent of normal. The line is the typical gauge (737%).

Typical gauge 737%
0%50%100% · normal150%200%+
Much below normal0Below normal0Near normal0Above normal0Much above normal1

Nonewaug River flow report

1 gauge
Streamgage Streamflow % of normal 24h Gage height Elevation
Nonewaug River At Minortown CT
Oct 2, 3:45 AM · USGS 01203600
20 cfs 737% -16% 3.24 ft 360 ft

USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.

Upstream storage

Dams & reservoirs on the Nonewaug River

Releases from these dams shape the flow downstream. Tap one for its daily level and history.

History

Nonewaug River streamflow over time

Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).

About this river

Nonewaug River

The Nonewaug River is a tributary of the Housatonic River in Connecticut, with a total length of 12.6 miles. The river has a rich history, serving as a source of power for mills and factories in the past. Today, it is primarily used for recreation and agriculture. The river flows through several small towns, including Woodbury and Southbury, and is fed by several reservoirs and dams, such as the North and South Branch Reservoirs and the Shepaug Dam. These reservoirs provide drinking water for nearby communities and also serve as recreational areas for fishing and boating. The Nonewaug River is also home to a variety of wildlife, including trout, bass, and other aquatic species, making it a popular spot for fishing enthusiasts.

Around the river

Fishing near the Nonewaug River

FAQ

About the Nonewaug River

How is the Nonewaug River flowing right now?

As of October 2, 2026, the Nonewaug River is flowing at 20 cfs at Minortown, CT, about 737% of normal for the date. Every gauge’s live reading is in the table above.

Is the Nonewaug River running high or low?

The typical gauge on the Nonewaug River is at 737% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.

Where does the data come from?

Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.

Can I get alerts for a gauge?

Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.

More river levels

Rivers in Connecticut