Section 71.287 - Water usage, voluntary reports to division of geology and land survey, contents - city complying may charge fee on tax bill for improvements1. Any city, town, or village in this state may make an annual voluntary report to the division on the water usage of the residents of such city, town, or village. Such report shall show: (1) The name and location of the city, town, or village;(2) The location, nature and type of the water source supplying the city, town, or village;(3) The amount in gallons of water used by residents of the city, town, or village on a monthly and yearly basis, either actual usage or estimated usage;(4) Anticipated water usage during the year next succeeding the date of the report.2. Any city, town, or village in this state which makes voluntary reports as provided in this section may charge as a fee on any tax bill issued by it for improvements pursuant to section 88.812 or 88.816 a percentage of the tax bill which when added to the rate of interest permitted under section 88.812 or 88.816 will result in a figure which would be equal to an annual interest rate at the market rate as defined in section 408.030.