Operation and maintenance (O&M) service contracts for water and sewer systems have increased considerably in the United States over the last 20 years. Successful O&M contract establishment requires a reasonable estimation of the O&M service contract coupled with a reliable risk-hedging...

Recently, rainwater harvesting systems have received increased attention due to their capability for adapting to water scarcity and climate change. However, a key obstacle to the implementation of rainwater harvesting systems is that they are often not financially feasible given difficulty in...