The City of Takoma Park shall: establish a stormwater management fund; and deposit in the fund: receipts and revenues from any ad valorem tax, user charge, or utility fee imposed under § 21–625 of this subtitle; and charges, fees, fees–in–lieu, and other contributions received from any person or governmental unit in connection with stormwater management activities or practices. Money in the Takoma Park stormwater management fund shall be used only to pay for the costs of stormwater management as set forth in § 21–625(a) of this subtitle.