If the application is not complete, the agency shall promptly notify the applicant. The notice shall inform the applicant: Of what items are required to complete the application; and That the application will be denied if the required information is not provided within 30 calendar days after the notice. If the application is complete and the resident is determined to be eligible, the agency shall promptly: Notify the applicant that the application has been accepted; and Indicate the amount of the grant to be awarded in accordance with §D of this regulation. If the applicant is determined to be ineligible for the Program, the agency shall notify the applicant, within 5 business days, that: The applicant is ineligible for the Program; and The reason for that determination. Grants shall be awarded to eligible residents based on the following formulas: Eligible residents with an annual income of 80 percent or less of area median income shall receive a grant of 25 percent of the cost of the water treatment system; Eligible residents with an annual income between 81 percent and 100 percent of area median income shall receive a grant of 15 percent of the cost of the water treatment system; and Eligible residents with an annual income between 100 percent and 110 percent of area median income shall receive a grant of 10 percent of the cost of the water treatment system. Funding for each Program grant shall be provided in equal parts by: The participating county in which the eligible resident resides; and The Department. The participating county or the agency representing the county shall issue one check in the amount of the aggregate Program grant to each eligible resident. The Department shall reimburse the participating county or agency for 50 percent of each Program grant in accordance with the memorandum of understanding between the Department and the participating county.