The Rancho California Water District board has commissioned Carollo Engineers Inc. to conduct updated cost of service studies which will be used for setting rates and capacity fees.A 5-0 vote Thursday, July 13, with William Plummer and Bill Wilson absent, approved a $216,269 contract with Carollo to conduct a comprehensive five-year water, recycled water and wastewater rate cost of service study and a water and wastewater capacity fees and zone of benefit study. Carollo, which is headquartered in Walnut Creek and has an office in Costa Mesa, is scheduled to complete the updated rate study in May 2024 and the capacity fee study in January 2025.In November 1996, the state’s voters passed Proposition 218, which requires a public vote on benefit assessments but exempts water and sewe
