Wat. Code, § 37158

The collector’s deed conveys to the district title to the property described therein free of all encumbrances, except liens for taxes and assessments levied for state, county, municipal or other district purposes, unless the property is owned by the United States or this State in which case it is prima facie evidence of the right of possession. The title acquired by the district may be sold at public auction or private sale and conveyed by deed executed and acknowledged by the president and secretary. Authority to convey shall be conferred by resolution of the board entered on its minutes fixing the sales price in the best interest of the district. The district may also lease or otherwise deal with the property as is in the best interest of the district.