Va. Code Ann. § 10.1-603.17

The Dam Safety, Flood Prevention and Protection Assistance Fund is hereby established and set apart as a permanent and nonreverting fund. The Fund shall consist of any moneys appropriated by the General Assembly, funds returned by localities or other public or private sources in the form of interest and repayment of loan principal, deposits pursuant to §§ 15.2-2243.1 and 38.2-401.1, all income from the investment of moneys held in the Fund, and any other sums designated for deposit in the Fund from any source public or private, including without limitation any federal grants, and awards or other forms of assistance received by the Commonwealth that are eligible for deposit in the Fund under federal law. Any moneys remaining in the Fund at the end of the biennium including any appropriated funds and all principal interest accrued, interest and payments shall not revert to the general fund.