The City of Napa, CA - Water use efficiency (a.k.a. water conservation) is an integral part of the City of Napa's long-term water management strategy. As signatory to the Memorandum of Understanding Regarding Urban Water Conservation in California, the City is committed to implementing the appropriate Best Management Practices (BMPs) to ensure future supply reliability. For our customers this means we are available to help you make every drop count. And because our water rates are quantity-based with no fixed service charges, you only pay for water when you use it. So every drop you save will reduce your own bill! Click here to continue reading.