If land in the Prince George’s County stormwater management district is annexed by the City of Bowie or the City of Takoma Park, the land is no longer part of the county stormwater management district. Subject to paragraph (2) of this subsection, the annexing municipality is responsible for stormwater management in the annexed area. Prince George’s County shall impose and collect from the annexed property an ad valorem tax at a rate sufficient to pay the principal, interest, and other obligations on outstanding bonds issued by the Commission or Prince George’s County for stormwater management before the annexation.