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Find similar grantsDrinking Water and Wastewater Funding is sponsored by Idaho Department of Environmental Quality. Assists public drinking water and wastewater systems with facility planning and infrastructure projects.
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Drinking Water and Wastewater Funding - Idaho Department of Environmental Quality You're using an unsupported version of Internet Explorer, and this site's functionality is greatly reduced. Upgrade Internet Explorer or install a modern browser , or contact your system administrator. Official Government Website We administer federal and state funds for grants and low-interest loans to improve the quality of Idaho’s water resources.
Our drinking water grants and loans assist eligible public drinking water systems with facility planning projects to ensure safe and adequate drinking water supplies. Our wastewater grants and loans help entities build or repair existing wastewater treatment facilities to achieve and maintain compliance with state and federal standards or to provide direct water quality benefits.
The Fiscal Year 2027 Letters of Interest (LOIs) are available and must be submitted by January 9, 2026 . A virtual training about LOI updates will be held on November 4, 2025, from 2:00 – 3:00 p. m.
(MST). Register here .
FY27 Drinking Water Planning Grant LOI Form FY27 Wastewater Planning Grant LOI Form FY27 Drinking Water State Revolving Fund LOI Form FY27 Clean Water State Revolving Fund LOI Form FY27 Drinking Water Lead Service Line LOI Form FY27 Drinking Water Emerging Contaminants LOI Form FY27 Clean Water Emerging Contaminants LOI Form FY27 Sewer Overflow and Stormwater Planning Grant LOI Form Questions regarding funding can be sent to grants.
loans@deq. idaho. gov .
Final Fiscal Year 2027 Intended Use Plan (IUP) Now Available The State Revolving Fund (SRF) Clean Water and Drinking Water Fiscal Year 2027 Intended Use Plan (IUP) is finalized and approved by the Board of Environmental Quality: FY 2027 Intended Use Plan and Response to Comments Funding Assistance at a Glance Learn about the FY2023 American Rescue Plan Act and FY2024 Leading Idaho priority lists. Updated November 17, 2025.
ARPA Infrastructure Projects Leading Idaho Infrastructure Projects Leading Idaho Planning Grants Idaho DEQ ARPA Water Infrastructure Grants Interactive Map 2025 Water Infrastructure Progress Legislative Report | ( Graphics ) Drinking Water Grants and Loans Wastewater Grants and Loans Source Water Protection Grants Nonpoint Source Subgrants FY2027 Grants & Loans Brochure State Revolving Fund YouTube channel State Revolving Fund Presentation Materials FY2027 Letter of Interest Grants and Loans Newsletters Engineering and Development ver: 4.
1. 9 | last updated: August 6, 2026 at 10:44 am
According to the current listing, eligibility includes: Public drinking water and wastewater systems in Idaho. Confirm the full requirements in the official notice before applying.
Applications for Drinking Water and Wastewater Funding are due January 8, 2027. Build your timeline backwards from this date to cover registrations, approvals, and final submission checks.
Drinking Water and Wastewater Funding is funded by Idaho Department of Environmental Quality. Verify program details on the funder's official page before applying.
This opportunity targets applicants in Idaho. If your organization operates elsewhere, check the official notice for location requirements.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
Past winners and funding trends for this program
Governor Hochul announced $249 million for 181 water quality projects on October 30, 2026: more than $246 million for 139 Water Quality Improvement Project (WQIP) grants and $2.9 million for 42 Non-Agricultural Nonpoint Source and MS4 Planning Grants. The June solicitation promised at least $75 million. More than $206 million went to environmental justice communities, $122 million to harmful algal bloom watersheds, and $17 million to road salt reduction. Here's who won, why the advertised number undersold the round, and how to prepare for the 2027 CFA.
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