Lake Whitney is a lake in Hamden, Connecticut, that is a part of the Mill River. The lake was a water source for the New Haven, Connecticut, metro area, until its associated treatment plant became antiquated in the 1990s. A new water treatment facility was constructed in the early 2000s rated for up to 15 million gallons per day, Lake Whitney now serves as one of four primary sources of surface water for the RWASouth Central Connecticut Regional Water Authority. The construction of the new treatment plant was controversial, and the RWA conducted significant public outreach and environmental study prior to its approval. Concerns mainly focused on downstream release into the Mill River, and maintaining the lake at a resonable level. Because of this, the RWA agreed to a detailed management pl