The Commissioner of Energy and Environmental Protection, or the commissioner’s designee and the chief elected officials of the cities of Danbury, Meriden and Waterbury and the towns of Cheshire, Southington and Wallingford, and the chief elected official of any other municipality impacted by the state-wide strategy to reduce phosphorus, or such chief elected officials’ designees, shall collaboratively evaluate and make recommendations regarding a state-wide strategy to reduce phosphorus loading in inland nontidal waters in order to comply with standards established by the United States Environmental Protection Agency. Such evaluation and recommendations shall include (1) a state-wide response to address phosphorus nonpoint source pollution, (2) approaches for municipalities to use in order to comply with standards established by the United States Environmental Protection Agency for phosphorus, including guidance for treatment and potential plant upgrades, and (3) the proper scientific methods by which to measure current phosphorus levels in inland nontidal waters and to make future projections of phosphorus levels in such waters. The commissioner shall submit a report on or before October 1, 2014, in accordance with the provisions of section 11-4a, to the joint standing committees of the General Assembly having cognizance of matters relating to municipalities and the environment. Such report shall set forth the recommendations required pursuant to subdivisions (1), (2) and (3) of this section and detail the collaborative effort through which such recommendations were reached.