Great Chazy River at Perry Mills water level

Name: Great Chazy River at Perry Mills water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Great Chazy River, New York, United States

Directions

Below flood stage

Water level

2.60ft Down 0.36 ft over the last 24 hours

Measured Oct 19, 2026, 10:00 AM EDT (1 hour ago)

Flow: 264 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 2.70 ft by Monday, October 19 at 08:00 AM. Issued Sunday, October 18 at 11:08 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Great Chazy River at Perry Mills, where the gauge shows 2.60 ft.

It is 6.40 ft below the flood stage of 9.00 ft.

It is still going down, by 0.36 ft over the past 24 hours. The forecast expects the river to rise to 2.70 ft by Monday, October 19 at 08:00 AM. The 30-day range is 2.60 ft – 4.11 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 12.91 ftFebruary 28, 2000
Forecast peak: 2.70 ftMonday, October 19 at 08:00 AM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 9.00 ft.

What happens at each level

12.00 ft: Homes along Perry Mills Road and Creek Road in Perry Mills will be inundated. Downstream at Champlain Village, homes and businesses along Main Street, Water Street, and River Street will flood. Flooding in Mooers is likely, and portions of Routes 9 and 11 will be covered with water.
10.00 ft: Water will approach homes in Perry Mills. Perry Mills Road and Creek Road in the vicinity of Perry Mills will flood, and water will partially cover Route 11 south of Perry Mills.
9.00 ft: Water covers Perry Mills Road and Creek Road in the vicinity of Perry Mills.
2.60 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 %.

Rank	Level	Date
1	12.91 ft	February 28, 2000
2	12.24 ft	November 9, 1996
3	11.65 ft	March 15, 2007
4	11.50 ft	March 9, 1946
5	11.37 ft	December 29, 2008
6	11.20 ft	March 16, 1929
7	10.99 ft	February 25, 2016
8	10.94 ft	January 13, 2018
9	10.89 ft	March 31, 1998
10	10.73 ft	April 9, 2014

Weather at the gauge

Rain in the last 3 days: 0.48 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 61° 41° – Wind 11 mph

20 Tue 53° 38° – Wind 10 mph

21 Wed 51° 32° – Wind 5 mph

22 Thu 56° 36° – Wind 11 mph

23 Fri 48° 33° – Wind 9 mph

24 Sat 53° 34° – Wind 6 mph

25 Sun 58° 38° – Wind 11 mph

Forecast: Open-Meteo

Sunrise 07:15 AM Sunset 06:04 PM Daylight 10 hr, 49 min First quarter 60%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Richelieu R (Lake Champlain) at Rouses PointLake, Richelieu R (Lake Champlain)	93.74 ft	Low	+0.01 ft	7 mi
Little Chazy River near ChazyRiver gauge, Little Chazy River	50.0 cfs	Normal	−15.7 cfs	8 mi
Missisquoi River at SwantonRiver gauge, Missisquoi River	1.46 ft	Below flood stage	−0.40 ft	19 mi
Jewett Brook at Vt 38, near St. AlbansRiver gauge, Jewett Brook	2.4 cfs	Normal	−2.3 cfs	20 mi
Lac Champlain à PhilipsburgLake, Lac Champlain	4.27 m	Normal	+0.01 m	34 km
Saranac River at PlattsburghRiver gauge, Saranac River	4.39 ft	Below flood stage	−0.35 ft	22 mi
Mill River at Georgia Shore Road, near St AlbansRiver gauge, Mill River	6.0 cfs	Normal	−2.7 cfs	23 mi
Rivière Richelieu à la Marina de Saint-JeanRiver gauge, Rivière Richelieu	0.28 m	Normal	±0	39 km

Questions and answers

What is flood stage for the Great Chazy River at Perry Mills?

The official flood stage is 9.00 ft. The level is currently 6.40 ft below it.

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 Great Chazy River at Perry Mills today?

On Oct 19, 2026, 10:00 AM EDT, the water level was 2.60 ft. Down 0.36 ft over the last 24 hours.

Is Great Chazy River at Perry Mills rising or falling?

Down 0.36 ft over the last 24 hours.

Is the level of Great Chazy River at Perry Mills normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Great Chazy River at Perry Mills?

The highest level on record is 12.91 ft on February 28, 2000.

Is Great Chazy River at Perry Mills expected to rise?

The forecast expects the river to rise to 2.70 ft by Monday, October 19 at 08:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:04271500 (Agency page)
Coordinates: 44.99961, -73.50208 (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

Parameter	Last value	Time (UTC)	Quality
Water level	2.60 ft	2026-10-19 14:00	Provisional
Flow	264 cfs	2026-10-19 14:00	Provisional

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How to cite

U.S. Geological Survey: Great Chazy River at Perry Mills (usgs:04271500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-york/great-chazy-river-at-perry-mills

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