2026 Whitewater Dam Releases

Androscoggin Headwaters 2026

Rapid River 2026

DayDateFlow
FridayJuly 17, 20261300 cfs
SaturdayJuly 18, 20261300 cfs
SundayJuly 19, 20261800 cfs
SaturdayJuly 25, 20261300 cfs
SundayJuly 26 20261800 cfs
SaturdayAugust 1, 20261300 cfs
SundayAugust 2, 20261300 cfs
FridayAugust 7, 20261300 cfs
SaturdayAugust 8, 20261300 cfs
SundayAugust 9, 20261800 cfs

Subject to modification due to low lake levels.

1300 cfs flows start at 6pm before the 1st scheduled day until 1800 cfs at 6pm until noon on Sunday.

River Flow Information: (844) 430-3569 (FLOW)

SafeWater.com

Magalloway River 2026

DayDateFlow
SaturdayJune 27 2026900 cfs
SundayJune 28, 2026900 cfs
SaturdayJuly 4, 2026900 cfs
SundayJuly 5 2026900 cfs
SaturdayJuly 11, 20261200 cfs
SundayJuly 12, 20261200 cfs
SaturdayAugust 15, 20261200 cfs
SundayAugust 16, 20261200 cfs
SaturdayAugust 22, 20261200 cfs
SundayAugust 23, 20261200 cfs
SaturdaySeptember 5, 2026900 cfs
SundaySeptember 6, 2026900 cfs

Flow release from 10:00 AM to 3:00 PM on day of release.

River Flow Information: (844) 430-3569 (FLOW)

SafeWater.com


Army Corps of Engineers Releases 2025 – 2026 not available as of 1-4-2026

Ashuelot River

Surrey Mountain Dam

DayDate / TimeFlowEvent
Saturday April 26, 2025
5:00 AM to 1:00 PM
275 cfsAshuelot Canoe Race

Blackwater River

Blackwater Dam

DayDate / TimeFlowEvent
Saturday April 26, 2025
8:00 AM to 5:00 PM
650 cfsBlackwater Canoe & Kayak Slalom
NE Slalom Series (www.nessrace.com)
Sunday April 27, 2025
8:00 AM to 5:00 PM
650 cfsBlackwater Canoe & Kayak Slalom
NE Slalom Series (www.nessrace.com)

Lower Otter Brook

DayDate / TimeFlowEvent
SundayApril 13, 2025
9:00 AM to 3:30 PM
300 cfsRecreation Release
Saturday May 3, 2025
9:00 AM to 3:00 PM
300 cfsACA NH WW Championship REC release,
road gates and restrooms open
Sunday May 4, 2025
9:00 AM to 3:00 PM
300 cfsACA NH WW Championship – race day
road gates and restrooms open

Millers River

Birch Hill Dam, Tully Lake (300 cfs)

DayDate / TimeFlowEvent
Saturday April 12, 2025
10:00 AM to 4 PM
1900 cfs60th Annual River Rat Race
Recreation release
Sunday April 13, 2025
9:00 AM to 3:30 PM
1900 cfsRecreation release

Quinnibaug River

Brimfield Lake

DayDate / TimeFlowEvent
Sunday April 27, 2025
5:00 AM to 4:00 PM
350 cfsSturbridge Lions Club East All American River Race

West River

Ball Mountain Townsend Dam

Westfield River

DayDate / TimeFlowEvent
SaturdayMay 3, 2025
10 AM to 2:30 PM
1500 cfsNo shuttle. Camping at Jamaica Park NA
SundayMay 4, 2025
10 AM to 2:30 PM
1500 cfsNo shuttle.
SaturdaySept 20, 2025 Sept 6, 2025
Ramp up starts at 6am, peaks of 1250cfs at noon, then ramp down starts.
1250 cfsNo shuttle.
SundaySept 21, 2025 Sept 7, 2025 1500 cfsNO RELEASE because of drought

Knightsville Dam (1000 cfs)

Littleville (700 cfs)

DayDate / TimeFlowEvent
Saturday April 19, 2025
9:00 AM to 3:00 PM
1700 cfs*70th Annual Westfield River
Sunday April 20, 2025
10:00 AM to 5:00 PM
1700 cfs*Recreational Release

Pemigewasset (at Bristol) 2026

Ayer Island Dam

DayDateFlow
Saturday & SundayJuly 2026 TBD 1000cfs 10AM – 3PM
Saturday & SundayAugust 2026 TBD1000cfs 10AM – 3PM

Release levels are dependent on inflow. Please check for updates before you drive.

Pemi at Bristol on American Whitewater


Canada Falls and Seboomook 2026

Brookfield Renewable Power

Safety Notice:  River flows and levels at these facilities are subject to change.  Please exercise caution when recreating upstream or downstream of dams and powerhouses.

Penobscot River Upper South Branch, Canada Falls Dam

The following boating releases are scheduled on Saturdays from 10AM to 3 PM.

WeekendJulyAugustSept
1st500600750
2nd600750600
3rd600600500*
4th900750
5th600600

* on or before Sept 15

Penobscot River Upper West Branch, Seboomook Dam

Minimum daily flow increased to 500 cfs.  This flow will be available 24/7 throughout the boating season.

Special “high-water” release (1500 cfs) – Saturday, September 5 (Labor Day weekend)


Dead River 2026

Brookfield Renewable Power

DateDateFlow
SaturdayMay 96000+ cfs
SaturdayMay 166000+ cfs
SaturdayMay 231400 cfs
SundayMay 246000 cfs
SaturdayMay 306000 cfs
SaturdayJune 64000 cfs
SundayJune 72400 cfs
SaturdayJune 201800 cfs
SundayJune 211300 cfs
SaturdayJuly 41800 cfs
SundayJuly 51300 cfs
SaturdayJuly 182400 cfs
SundayJuly 191800 cfs
SaturdayAugust 82400 cfs
SundayAugust 91800 cfs
SundaySeptember 65500 cfs
SaturdaySeptember 193500 cfs
SaturdayOctober 3FULL OPEN
to 6000 cfs

NOTICE:  These flows may change without notice due to License Requirements and/or Water Conditions at the time of the Scheduled Flow.


Deerfield River 2026

Fife Brook

Brookfield Renewable

107 scheduled releases. Releases from Fife Brook Dam start between 9:30 am and 12 noon, with a flow of at least 700 cfs, for a 3-hour duration.

MonthDates
April11-12, 15-19, 22-26, 29-30
May1-3, 9-11, 16-17, 20-24, 27-31
June13-14, 17-21, 24-28
July4-5, 8-12, 15-19, 22-26, 31
August1-2, 6-9, 13-16, 20-23, 27-30
September2-6, 9-13, 23-27, 30
October1-4, 7-11, 14-18

Monroe Bridge (#5 Bypass)

TransCanada Hydro Northeast, Inc

34 scheduled releases. Friday releases are for 4 hours beginning at 11 a.m. Saturday releases last 5 hours and begin at 10 a.m. Sunday releases are 4 hours beginning at 10 a.m. Flows alternate among 900, 1000, and 1100 cfs.

MonthDates
May23, 24
June14, 20, 21, 26(Fri), 27, 28
July4, 5, 11, 23, 18, 19, 25(Fri), 31
August1, 2, 7(Fri), 8, 9, 14(Fri), 16, 22, 29
September5, 6, 12, 13, 27
October3, 4

Special Events

PentathlonMarch
Mass Free Fishing WeekendJune 6-7
Deerfield RiverfestAugust 1-2

River Flow Information: (844) 430-3569 (FLOW)

SafeWater.com


Farmington River 2026 – New Boston section

The release is 300cfs. The race coordinators like the natural river flows to be 100cfs, giving a total of 400cfs.

Saturday and Sunday, October 17 & 18 (NESS Race weekend)

Saturday and Sunday, October 24 & 25

Please note: I am not sure if parking will be available at the American Legion. If it is, please remember to put your money in the box!


Kennebec River 2026

Please note: Drought conditions are affecting the release management. Please confirm before you go! (8/22/2025)

DayDateTimeFlow
SaturdayJune 1310:00 – 1:008000 cfs
SaturdayJune 201:00 – 3:002400 cfs
SaturdayJune 271:00 – 3:002400 cfs
SaturdayJuly 41:00 – 3:002400 cfs
MondayJuly 610:00 – 1:008000 cfs
SaturdayJuly 111:00 – 3:002400 cfs
SundayJuly 121:00 – 3:002400 cfs
SaturdayJuly 181:00 – 3:002400 cfs
SaturdayJuly 251:00 – 3:002400 cfs
SaturdayAugust 11:00 – 3:002400 cfs
SundayAugust 21:00 – 3:002400 cfs
SaturdayAugust 81:00 – 3:002400 cfs
SundayAugust 91:00 – 3:002400 cfs
SaturdayAugust 151:00 – 3:002400 cfs
SundayAugust 161:00 – 3:002400 cfs
SaturdayAugust 221:00 – 3:002400 cfs
SaturdayAugust 291:00 – 3:002400 cfs
SaturdaySept 51:00 – 3:002400 cfs
SaturdaySept 121:00 – 3:008000 cfs
SundaySept 131:00 – 3:002400 cfs
SaturdaySept 2610:00 – 1:008000 cfs

From May 1st through Columbus Day in October, the daily release will be a minimum of 4800 cfs, 10am to 1 pm.

From June 15th through September 15th, 1 pm – 3 pm minimum release will be 2400 cfs, every Saturday, plus four Sunday releases.

In consultation with all interested parties there will be four (4) releases of 8000 cfs provided during the rafting season between the hours of 10 am and 1 pm.

Notice:  These flows may change without notice due to License Requirements and/or water conditions at the time of the scheduled flow.

Brookfield Renewable hopes you enjoy these recreational release opportunities in a safe manner.

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