The City of Flagstaff has revised the Stormwater Credit Manual (PDF). The Manual is a document which provides for discounts on your stormwater billing (as shown on your water bill) for certain stormwater controls such as detention basins, Low Impact Development (LID) facilities and Rainwater Harvesting. Many developments that have occurred since 1990 may be eligible for a discount. The discount may be applied to commercial, industrial or residential developments. As part of the application process, you will need to attest that the facility(s) are maintained on a regular basis by yourself or perhaps by a Homeowner's Association. If you believe you or the subdivision you live in, may have a stormwater facility that may apply, you are encouraged to apply for a discount.