In his letter to the Norman city manager, Worden said Lake Thunderbird's level is about 7.5 feet below normal.
Council members will discuss how a 10 percent reduction will affect the city.
Also at Tuesday's conference, the council will discuss construction bids for Legacy Park, which will be built in the University North Park Addition on the city's northwest side.
In the regular business meeting, the council will discuss a recommendation by three council members that a request for proposals for an eastside library branch be advertised within the next 30 days.
Council members Dave Spaulding, Chad Williams and Robert Castleberry requested the discussion. The three members contend some previously dedicated road construction money has been freed up to help pay for construction of an eastside branch.