Drinking Water and Wastewater Grants and Loans
Idaho DEQ offers grants and loans for projects improving drinking water and wastewater infrastructure, focusing on water quality, safety, and compliance, with extra support for disadvantaged and small communities.
Funder: Idaho Department of Environmental Quality
Due Dates (Anticipated): May 2026 (Public comment period for FY2027 IUP) | January 2027 (LOI submission for FY2027 grants/loans)
Funding Amounts: Varies by program; includes grants and low-interest loans for planning, construction, and remediation. Typical planning grants require 50% match; principal forgiveness and disadvantaged community support available.
Summary: Funding for Idaho communities and eligible entities to plan, construct, or upgrade drinking water and wastewater infrastructure, improve water quality, and ensure compliance with environmental standards.
Key Information: Multiple funding tracks: drinking water, wastewater, lead service line, emerging contaminants, stormwater, and planning grants; disadvantaged and small communities prioritized for some programs.
Description
The Idaho Department of Environmental Quality (DEQ) administers a suite of grants and low-interest loans to support projects that improve the quality of Idaho’s water resources. These programs assist public drinking water systems and wastewater entities with facility planning, construction, upgrades, and remediation to ensure safe and adequate water supplies and compliance with state and federal water quality standards. Funding is available for a range of project types, including infrastructure improvements, lead service line replacement, addressing emerging contaminants, stormwater and sewer overflow planning, and more. The program is designed to provide direct water quality benefits to Idaho communities, with additional support for disadvantaged and small communities.
