There is hereby established in the department of environmental services the cyanobacteria mitigation loan and grant fund which shall be maintained by the state treasurer in distinct and separate custody from all other funds. The state treasurer may invest the fund in accordance with N.H. Rev. Stat. § 6:8. Any earnings on fund moneys shall be added to the fund. All moneys in the fund shall be nonlapsing and continually appropriated to the department of environmental services. The cyanobacteria mitigation loan and grant fund shall be used to fund loans, grants, and reimbursements in accordance with this subdivision. Funds from any bond proceeds, grants, loan repayments, legislative appropriations, donations, and other funds shall be credited to this fund.