California Code, Public Utilities Code - PUC § 29756

If a majority of the qualified electors voting at said election vote in favor of such dissolution, the board of directors shall, by resolution entered upon its minutes, declare the district dissolved.  A certified copy of said resolution shall be filed with the county and city and county recorders and with the Secretary of State and also with the county and city and county assessors and the State Board of Equalization.  Upon the adoption of said resolution, said district shall be dissolved.  The board of directors, if dissolution is voted, shall wind up the affairs of the district and pay all indebtedness thereof, and any moneys remaining thereafter shall be paid over to the counties, city and county and cities, in which the district lies, in proportion to the assessed valuation of taxable property in said city and county and cities and in the unincorporated area of the counties included in the district, as shown by the assessment rolls of the city and county and counties last equalized at the date of such dissolution.