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Farmington River at Unionville water level

River gauge, Farmington River, Connecticut, United States

Directions

Normal for mid-October

Water level

5.03ft Down 0.04 ft over the last 24 hours

Flow
247 cfs
5 10 15 20 Highest onrecord 18.55 ft Minor floodstage 12.00 ft

History

567ftOct 16Oct 18Oct 19Oct 21Oct 23567ftOct 16Oct 19Oct 23
581013ftSep 21Sep 29Oct 7Oct 15Oct 23Minor flood stage581013ftSep 21Oct 7Oct 23Minor flood stage
581013ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage581013ftOct 2025Apr 2026Oct 2026Minor flood stage
468ftJanMarMayJulSepNov2026468ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to fall to 5.10 ft by Tuesday, October 20 at 02:00 PM. Issued Tuesday, October 20 at 10:49 AM by NOAA National Weather Service.

What this means

The Farmington River at Unionville is at 5.03 ft, in the normal range for mid-October.

The median for mid-October is 5.36 ft, based on 29 years of readings, so the river stage is 0.33 ft below typical. It is 6.97 ft below the flood stage of 12.00 ft. On the same day last year the reading was 4.68 ft, a difference of +0.35 ft.

It has dropped 0.04 ft over the past 24 hours. The forecast expects the river to fall to 5.10 ft by Tuesday, October 20 at 02:00 PM. In the last month it has stayed between 4.88 ft and 6.05 ft.

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

Key numbers

Median for this date
5.36 ft0.33 ft below the median for this date
Normal for this date
4.38 ft – 6.25 ft8 years in 10 fall in this range (29 years of records)
Same day last year
4.68 ft+0.35 ft
Lowest and highest in 30 days
4.88 ft – 6.05 ft
Lowest and highest in 12 months
4.59 ft – 8.83 ft
Highest on record
18.55 ftAugust 28, 2011
Forecast peak
5.10 ftTuesday, October 20 at 02:00 PM

Floating and fishing near Farmington River at Unionville

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 12.00 ft, 6.97 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

16.00 ft
The river will flood Meadow Road and Town Farm Road in Farmington. In addition, low lying areas along Route 4 will experience flooding.
14.00 ft
Flooding is expected to spread across Meadow Road in the "Meadows" section of Farmington. Some low lying areas along Route 4 may also begin to experience flooding.
12.00 ft
Minor flooding of lowland areas along the river is expected, and may include lowest lying homes and businesses along Route 4.
5.03 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

RankLevelDate
118.55 ftAugust 28, 2011
216.81 ftApril 16, 2007
316.57 ftMarch 23, 1980
415.61 ftMarch 7, 2011
515.52 ftApril 5, 1987
614.63 ftOctober 15, 2005
714.01 ftSeptember 2, 2021
813.85 ftJune 6, 1982
913.37 ftJanuary 27, 1996
1013.32 ftMay 30, 1984

Weather at the gauge

The forecast is not available right now.

Sunrise 07:10 AM Sunset 06:04 PM Daylight 10 hr, 54 min Waxing gibbous 72%

Map

Other gauges on the Farmington River

Gauge Level Compared with normal 24 hours Distance
Farmington River at TariffvilleRiver gauge, Farmington River 1.47 ft Normal −0.13 ft 12 mi
Farmington River at RainbowRiver gauge, Farmington River 6.54 ft No reference yet −0.06 ft 15 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Bunnell Brook near BurlingtonRiver gauge, Bunnell Brook 2.15 ft Normal −0.02 ft 4.5 mi
Nepaug River near NepaugRiver gauge, Nepaug River 16.0 cfs Normal +2.0 cfs 6.2 mi
North Branch Park River at HartfordRiver gauge, North Branch Park River 1.71 ft Normal −0.02 ft 9 mi
Quinnipiac River at SouthingtonRiver gauge, Quinnipiac River 3.15 ft Normal −0.02 ft 11 mi
Naugatuck River at ThomastonRiver gauge, Naugatuck River 1.94 ft Normal −0.03 ft 11 mi
Connecticut River at HartfordTidal gauge, Connecticut River 2.15 ft Low −0.33 ft 11 mi
Honeypot Brook at Creamery Road at CheshireRiver gauge, Honeypot Brook 9.1 cfs Normal −0.4 cfs 15 mi
Hockanum River near East HartfordRiver gauge, Hockanum River 2.11 ft Normal −0.06 ft 16 mi

Questions and answers

Is the Farmington River at Unionville higher than last year?

Yes, it is 0.35 ft higher than on the same day last year, when the reading was 4.68 ft.

What is flood stage for the Farmington River at Unionville?

The official flood stage is 12.00 ft. The level is currently 6.97 ft below it.

What is a normal level for the Farmington River at Unionville in mid-October?

The median for mid-October is 5.36 ft. In 8 years out of 10 the reading falls between 4.38 ft and 6.25 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 Farmington River at Unionville today?

On Oct 20, 2026, 06:30 PM EDT, the water level was 5.03 ft. Down 0.04 ft over the last 24 hours.

Is Farmington River at Unionville rising or falling?

Down 0.04 ft over the last 24 hours. Down 0.56 ft over the last 7 days.

Is the level of Farmington River at Unionville normal?

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

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01188090 (Agency page)
Coordinates
41.75555, -72.88704 (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 5.03 ft 2026-10-20 22:30 Provisional
Flow 247 cfs 2026-10-20 22:30 Provisional

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How to cite

U.S. Geological Survey: Farmington River at Unionville (usgs:01188090). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/connecticut/farmington-river-at-unionville

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer