The program provides financial assistance to public water systems and municipal water departments for the purchase of land or interests in land for: 1) protection of existing DEP-approved public drinking water supplies; 2) protection of planned future public drinking water supplies; or 3) groundwater recharge. It is a reimbursement program. Information at: https://www.mass.gov/how-to/apply-to-the-drinking-water-supply-protection-grant-program