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New Hampshire Department of Environmental Services

Station:  Ossipee Lake (OSLNH)

Full Lake = 7.25 ft. Local = 407.25 ft. above sea level



This station is located on the western shore of the main body of the lake
at the Westward Shores Campground marina. The following parameters are
currently being measured at this station:

Ossipee Lake Stage (Lake Elevation)
Air Temperature

Spring Refill
Lake is filled between mid May and early June to a level of approximately
7.25 feet as measured at the gage. 

Summer Operations
Lake level is managed by bringing it up to full or 7.25 on the gage, then
releases at the dam are adjusted based upon inflow to keep this elevation
up to Columbus Day.

Seasonal Fall Drawdown
After Columbus Day the lake is slowly lowered to a target 
drawdown of about 3.5 feet below full pond to allow shorefront maintenance
to occur and to prepare for spring runoff.  The drawdown is accomplished
by the operations of flood gates and the removal of stoplogs at the dam.
All floodgates remain open and all stoplogs remain out throughout the late
fall, winter and most of the spring.  As runoff lessens, gates are closed
and stoplogs are replaced at a pace to achieve the normal summer level.

Note: Water levels generally fluctuate in response to precipitation,
snowmelt,drought or other meteorological conditions. Target water levels 
are mantained by the adjustment of flows at the dam in response 
to these conditions.

This meteorological station is operated and maintained by
the New Hampshire Department of Environmental Services (DES).
Most data relayed by satellite or other telemetry have received
little or no review. Inaccuracies in the data may be present
because of instrument malfunctions or physical changes at the
measurement site, including backwater effects due to ice formation.
Although the data presented herein is intended to be an accurate
representation of actual conditions, it is presented for
informational purposes only and the user is cautioned to use it at
his/her own risk.   

NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

copyright 2008. State of New Hampshire