Official Government Website

Construction Loans

DEQ’s State Revolving Fund (SRF) program provides low-interest loans to qualified recipients to improve their drinking water and wastewater facilities. SRF construction loans are 20-year, below-market-rate interest loans that typically result in significant cost savings to recipients over the life of the project. Principal forgiveness of a portion of the loan and up to 30-year terms is also available to recipients who qualify as a disadvantage system following IDAPA 58.01.12.021. Availability of funding varies each year and loans of up to 100% of project costs may be awarded for project planning, design, and construction.

The legislative Services Office and EPA perform annual audits on the SRF program to ensure monies are being used appropriately and meet EPA grant requirements. A public records request may be submitted to obtain a copy of these audits.

Loan Recipients

The following list is the current fiscal year recipients. This list will update July 1. 

DEQ awards $5.4 million to city of Island Park

October 25, 2024

BOISE – The Idaho Department of Environmental Quality (DEQ) today announced the award of a $5.4 million low-interest drinking water construction loan to the city of Island Park in Fremont County, Idaho.

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Wastewater – loans are available for counties, cities, special service districts, other governmental entities, and nonprofit corporations with the authority to collect, treat, or dispose of wastewater or otherwise provide direct water quality benefits. 

Drinking Water – loans are available to all community public water systems and non-profit non-community public water systems. Public water systems are defined by IDAPA 58.01.08, Idaho Rules for Public Drinking Water Systems and summarized below:

  • Community Water System: A public water system that serves at least 15 service connections used by year-round residents or regularly serves at least 25 year-round residents.
  • Non-community Water System: A public water system that serves the public but does not serve the same people year-round. A non-community water system is either transient or non-transient.
  • Transient – Does not regularly serve at least 25 of the same people for more than 6 months per year (e.g., rest area or campground with its own water supply).
  • Non-Transient – Regularly serves at least 25 of the same people for more than 6 months per year (e.g., a school or hospital with its own water supply).

Please see the SRF Customer Handbook for additional eligibility information.

Our staff queries eligible systems annually to obtain information on projects eligible for loans. Interested systems must submit a letter of interest (LOI) for the following fiscal year between October and January. DEQ evaluates, rates, and ranks the LOIs for inclusion on the state’s priority list in the State Revolving Fund Intended Use Plans (IUP). Rating criteria focus on potential public health and environmental concerns, the long-term viability of the system (i.e., sustainability), and the status of the system’s compliance with state and federal regulations. Systems on the priority list are further refined based on the entity’s readiness to proceed. The refined list makes up the final fundable list.

Systems on the priority list are further refined based on the applicant’s readiness to proceed. The IUPs, which outline the purpose and goals of the state’s drinking water and wastewater loan programs, explains how projects are selected for funding and identify priority projects eligible for state assistance. The grant priority lists and IUPs are issued for a public comment period and then approved by the Board of Environmental Quality annually, typically in May.

Applicants with projects on the  IUP fundable range are invited to apply for funding. Invitations are normally issued shortly after DEQ Board approval. A loan may be offered after a review of the application and satisfaction that all environmental and legal requirements have been met. The loan application forms and requirements are available in the SRF Customer Handbook under the Resources section below.

Build America, Buy America – Projects funded in part or whole with SRF funds after May 14, 2022, are required to comply with Build America, Buy America provisions as required by the Infrastructure Investment and Jobs Act, 2021 Pub L. No. 117-58. These provisions expand upon American Iron and Steel requirements to require that, in addition to iron and steel, all manufactured products and construction materials purchased for the project be produced in the United States. These requirements may vary from project to project depending on funding sources and the date of the executed loan agreement. Please refer to the SRF Customer Handbook for additional requirements and information.

American Iron & Steel – Provisions of P.L. 113-76, Consolidated Appropriations Act, 2014 and the Infrastructure Investment and Jobs Act, 2021 Pub L. No. 117-58 require that iron and steel, manufactured products, and construction materials purchased for SRF projects be produced in the United States. These requirements may vary from project to project depending on funding sources and the date of the executed loan agreement. Please refer to the SRF Customer Handbook for additional requirements and information.

Davis Bacon Wages – The Consolidated and Further Continuing Appropriations Act, 2013 (P.L. 113-6) requires that Davis-Bacon prevailing wage requirements apply to all construction carried out in whole or in part with assistance made available by the SRF loans for contracts that exceed $2,000. The recipient’s responsibilities regarding implementing Davis-Bacon wages are included in loan agreements. At the same time, the requirements for the contractor(s) and subcontractors are incorporated into the construction contract through DEQ’s supplemental specification insert. Please refer to the SRF Customer Handbook for additional requirements and information.

Green Project Reserve (GPR) – As a condition for receiving federal funds for wastewater infrastructure improvement projects, The Fiscal Year (F.Y.) 2012 Appropriation Act (P.L. 112-74) requires DEQ to allocate not less than 10% of funds to projects that address green infrastructure, water conservation, energy efficiency improvements, or other environmentally innovative activities which are commonly known as green project reserve (GPR). DEQ has continued the GPR efforts to drinking water loans to encourage long-term sustainability. Each year DEQ solicits and incentivizes projects that include GPR components through the Letter of Interest (LOI) process. In their LOI, applicants identify potential GPR components and associated cost estimates. These GPR components are incorporated in the loan agreements. Near completion of the project, recipients must submit documentation of the actual construction costs in a GPR technical memorandum. DEQ uses this information to satisfy the reporting requirements needed to maintain funding. For assistance in developing the format and content of the GPR technical memorandum, please get in touch with the DEQ SRF loan program. Historical GPR components and associated final costs can be viewed here.

State Environmental Review Process (SERP) – All SRF projects must comply with SERP. DEQ is guided by 40 CFR Par 6 and will implement a “National Environmental Policy Act (NEPA)-like” process. 40 CFR Part 6 identifies the scope of federal environmental concerns and objectives that must be addressed. Please refer to the SRF Customer Handbook for additional information regarding the SERP process. To review environmental determinations for the projects below, please submit a public records request.


Project Name Applicant Name Environmental Determination Issuance Date
Culdesac (City of) Drinking Water Improvement Project City of Culdesac Categorical Exclusion (Cat Ex) 2024 October 23
Moose Draw Association, Inc. Wastewater Improvement Project Moose Draw Association, Inc. Categorical Exclusion (Cat Ex) 2024 October 24
Oden View Estates Drinking Water Improvement Project Oden View Estates Categorical Exclusion (Cat Ex) 2024 October 22
Williams Lake Recreational Water and Sewer District Drinking Water Improvement Project Williams Lake Recreational Water and Sewer District Categorical Exclusion (Cat Ex) 2024 October 17
New Plymouth (City of) Wastewater Improvement Project City of New Plymouth Categorical Exclusion (Cat Ex) 2024 September 24
Paul (City of) Wastewater Improvement Project City of Paul Categorical Exclusion (Cat Ex) 2024 August 17
Idaho Falls (City of) Wastewater Improvement Project City of Idaho Falls Finding of No Significant Impact (FONSI) 2024 July 23
Starweather Owners Association Drinking Water Improvement Project Starweather Owners Association Categorical Exclusion (Cat Ex) 2024 July 10
Driggs (City of) Wastewater Improvement Project City of Driggs Finding of No Significant Impact (FONSI) 2024 July 1
Hagerman (City of) Drinking Water Improvement Project City of Hagerman Categorical Exclusion (Cat Ex) 2024 June 25
Homedale (City of) Drinking Water Improvement Project City of Homedale Categorical Exclusion (Cat Ex) 2024 June 26
Grand View (City of) Drinking Water Improvement Project City of Grand View Categorical Exclusion (Cat Ex) 2024 May 15
Fruitland (City of) Wastewater Improvement Project Finding of No Significant Impact (FONSI) Concurrence 2024 May 16
Spirit Bend Water Association Drinking Water Improvement Project Spirit Bend Water Association Categorical Exclusion (Cat Ex) 2024 April 10
Solar Acres Water Association Drinking Water Improvement Project Solar Acres Water Association Categorical Exclusion (Cat Ex) 2024 April 10
Lewisville (City of) Wastewater Improvement Project City of Lewisville Categorical Exclusion (Cat Ex) 2024 March 18
Cottonwood (City of) Wastewater Improvement Project City of Cottonwood Finding of No Significant Impact (FONSI) Concurrence 2023 November 27
Cave Bay Community System Drinking Water Improvement Project Cave Bay Community System Categorical Exclusion (Cat Ex) 2023 December 23
Kingston-Cataldo Water & Sewer District Wastewater Improvement Project Kingston-Cataldo Water & Sewer District Categorical Exclusion (Cat Ex) 2023 December 26
Letha Sewer District Wastewater Improvement Project Letha Sewer District Categorical Exclusion (Cat Ex) 2023 December 04
Rigby (City of) Drinking Water Improvement Project City of Rigby Finding of No Significant Impact (FONSI) 2024 January 11
Yellow Pine Water Users Association Drinking Water Improvement Project Yellow Pine Water Users Association Categorical Exclusion (Cat Ex) 2023 November 23
Birch Creek Culinary Water Company Drinking Water Improvement Project Birch Creek Culinary Water Company Categorical Exclusion (Cat Ex) 2023 November 08
Cottonwood Point Water & Sewer Association Drinking Water Improvement Project Cottonwood Point Water & Sewer Association Categorical Exclusion (Cat Ex) 2023 November 01
Panorama Hills Water Company Drinking Water Improvement Project Panorama Hills Water Company Categorical Exclusion (Cat Ex) 2023 October 25
Elk City Water & Sewer District Drinking Water Improvement Project Elk City Water & Sewer District Categorical Exclusion (Cat Ex) 2023 October 04
Caldwell Housing Authority Drinking Water Improvement Project Caldwell Housing Authority Categorical Exclusion (Cat Ex) 2023 July 27
Drake Subdivision Drinking Water Improvement Project Drake Subdivision Property Owner’s Association of Domestic & Lateral Water Users, Inc. Categorical Exclusion (Cat Ex) 2023 January 11
McCammon (City of) Wastewater Improvement Project City of McCammon Categorical Exclusion (Cat Ex) 2023 January 11
Riverside Water & Sewer District Drinking Water Improvement Project Riverside Water & Sewer District Categorical Exclusion (Cat Ex) 2023 January 9
Eastern Idaho Regional Sewer District’s Oxbow Water Reclamation Facility Wastewater Improvement Project Eastern Idaho Regional Sewer District FONSI 2023 May 18
Notus (City of) Drinking Water Improvement Project City of Notus Categorical Exclusion (Cat Ex) 2023 April 11
Riverside Water & Sewer District Wastewater Improvement Project Riverside Water & Sewer District Categorical Exclusion (Cat Ex) 2023 January 4
Shoshone (City of) Drinking Water Improvement Project City of Shoshone Categorical Exclusion (Cat Ex) 2022 October 28
American Falls (City of) Drinking Water Improvement Project City of American Falls Categorical Exclusion (Cat Ex) 2022 October 26
Challis (City of) Drinking Water Improvement Project City of Challis Categorical Exclusion (Cat Ex) 2022 October 20
Greenferry Water and Sewer District Drinking Water Improvement Project Greenferry Water and Sewer District Categorical Exclusion (Cat Ex) 2022 October 14
Harrison (City of) Wastewater Improvement Project City of Harrison Categorical Exclusion (Cat Ex) 2022 October 05
Harrison (City of) Drinking Water Improvement Project City of Harrison Categorical Exclusion (Cat Ex) 2022 September 28
Council (City of) Drinking Water Improvement Project City of Council Categorical Exclusion (Cat Ex) 2022 August 17
Carlin Bay Drinking Water Improvement Project Carlin Bay Property Owner’s Association Finding of No Significant Impact (FONSI) 2020 November 05
Grangeville (City of) Drinking Water Improvement Project City of Grangeville Categorical Exclusion (Cat Ex) 2022 June 15
Grangeville (City of) Wastewater Improvement Project City of Grangeville Categorical Exclusion (Cat Ex) 2022 June 15
Roberts (City of) Wastewater Improvement Project City of Roberts Categorical Exclusion (Cat Ex) 2022 June 08
Kootenai County Water District No. 1 Drinking Water Improvement Project Kootenai County Water District No. 1 Categorical Exclusion (Cat Ex) 2022 May 23
Coeur d’Alene (City of) Wastewater Improvement Project City of Coeur d’Alene Finding of No Significant Impact (FONSI) Reaffirmation 2022 February 1
Clark Fork (City of) Drinking Water Improvement Project City Clark Fork Categorical Exclusion (Cat Ex) 2022 January 4
Nezperce (City of) Wastewater Improvement Project City of Nezperce Concurrence of Finding of No Significant Impact (FONSI) 2021 December 16
Craigmont (City of) Wastewater Improvement Project City of Craigmont Categorical Exclusion (Cat Ex) 2021 November 25
Grace (City of) Wastewater Improvement Project City of Grace Categorical Exclusion (Cat Ex) 2021 December 9
Garfield Bay Water & Sewer District Wastewater Improvement Project Garfield Bay Water & Sewer District Categorical Exclusion (Cat Ex) 2021 December 8
Laclede Water District Drinking Water Improvement Project Laclede Water District Finding of No Significant Impact (FONSI) 2021 November 8
Kidd Island Bay Lots Sewer District Wastewater Improvement Project Kidd Island Bay Lots Sewer District Categorical Exclusion (Cat Ex) 2021 October 19
Winchester (City of) Wastewater Improvement Project City of Winchester Categorical Exclusion (Cat Ex) 2021 August 5
Grand View (City of) Drinking Water Improvement Project City of Grand View Categorical Exclusion (Cat Ex) 2021 August 4
Syringa Heights Water District Drinking Water Improvement Project Syringa Heights Water District Categorical Exclusion (Cat Ex) 2021 July 29
Homedale(City of) Wastewater Improvements Project City of Homedale Concurrence of Finding of No Significant Impact (FONSI) 2021 July 28
Gooding (City of) Wastewater Improvements Project City of Gooding Categorical Exclusion (Cat Ex) Reaffirmation 2021 March 24
Dayton (City of) Drinking Water Improvements Project City of Dayton Categorical Exclusion (Cat Ex) 2021 June 30
Aberdeen(City of) Wastewater Improvements Project City of Aberdeen Finding of No Significant Impact (FONSI) 2021 June 28
McCammon (City of) Drinking Water Improvements Project City of McCammon Categorical Exclusion (Cat Ex) 2021 April 21
Reubens (City of) Drinking Water Improvements Project City of Reubens Categorical Exclusion (Cat Ex) 2021 May 10
Elk River (City of) Wastewater Improvements Project City of Elk River Categorical Exclusion (Cat Ex) 2021 March 17
Priest River (City of) Drinking Water Improvements Project City of Priest River Categorical Exclusion (Cat Ex) 2021 March 18
Moon Lake Ranch Owner’s Association Wastewater Improvements Project Moon Lake Ranch Owner’s Association Categorical Exclusion (Cat Ex) 2021 February 18
Ammon (City of) Drinking Water Improvements City of Ammon Categorical Exclusion (Cat Ex) 2020 February 13
Juliaetta (City of) Wastewater Improvements Project City of Juliaetta Categorical Exclusion (Cat Ex) 2021 February 06
Athol (City of) Drinking Water Improvements Project City of Athol Categorical Exclusion (Cat Ex) 2019 May 29
Bayview Water and Sewer District Drinking Water Improvements Project Bayview Water and Sewer District Finding of No Significant Impact (FONSI) 2020 August 25
Cabinet Mountains Drinking Water Improvements Project Cabinet Mountains Water District Finding of No Significant Impact (FONSI) Concurrence 2020 October 15
Castle Mountain Creeks Homeowners Association Drinking Water Improvements Project Castle Mountain Creeks Homeowners Association Categorical Exclusion (Cat Ex) 2019 May 03
Deary (City of) Drinking Water Improvements Project City of Deary Categorical Exclusion (Cat Ex) 2019 February 06
Garden Valley Ranchettes Drinking Water Facility Improvements Project Garden Valley Ranchettes Categorical Exclusion (Cat Ex) 2019 January 18
Genesee (City of) Wastewater System Improvements Process City of Genesee Finding of No Significant Impact (FONSI) 2020 April 16
Hayden Area Regional Sewer Board Wastewater Improvements Hayden Area Regional Sewer Board Finding of No Significant Impact (FONSI) 2019 January 18
Hayden Lake Irrigation District Drinking Water Improvements Project Hayden Lake Irrigation District Finding of No Significant Impact (FONSI) 2019 October 28
Heyburn (City of) Wastewater Treatment System and Collection System Improvement Project City of Heyburn Categorical Exclusion (Cat Ex) 2019 May 13
Idaho City Drinking Water Improvements City of Idaho City Categorical Exclusion (Cat Ex) 2019 July 31
Lewiston (City of) Drinking Water Improvements City of Lewiston Finding of No Significant Impact (FONSI) 2020 June 01
Lewiston (City of) Wastewater Improvements Project City of Lewiston Categorical Exclusion (Cat Ex) 2019 January 07
Moyie Springs (City of) Wastewater Improvements Project City of Moyie Springs Finding of No Significant Impact (FONSI) 2020 October 18
Mullan (City of) Wastewater Improvements Project City of Mullan Categorical Exclusion (Cat Ex) 2019 April 15
Murray Water Association 2020 Drinking Water Improvements Murray Water Association Categorical Exclusion (Cat Ex) 2020 April 03
Nampa (City of) Wastewater Treatment Improvements City of Nampa Reaffirmation of Categorical Exclusion (Cat Ex) 2020 October 08
Preston (City of) Wastewater Improvement Project City of Preston Finding of No Significant Impact (FONSI) 2020 September 03
Rigby (City of) Drinking Water Improvements Project City of Rigby Categorical Exclusion (Cat Ex) 2019 October 11
Rigby (City of) Wastewater Systems Improvements Project City of Rigby Finding of No Significant Impact (FONSI) 2020 May 21
Sandpiper Shores Master Utility Wastewater Improvements Project Sandpiper Shores Master Utility Inc. Reaffirmation Categorical Exclusion (Cat Ex) 2020 January 14
South Park Water and Sewer Wastewater Improvements South Park Water and Sewer Categorical Exclusion (Cat Ex) 2019 August 28
Spirit Lake (City of) Drinking Water Improvements Project City of Spirit Lake Finding of No Significant Impact (FONSI) 2019 August 02
St. Maries (City of) Drinking Water Improvements Project City of St. Maries Categorical Exclusion (Cat Ex) 2019 May 29
Sunnyside Water Association Drinking Water Improvements Project Sunnyside Water Association Categorical Exclusion (Cat Ex) 2019 December 24
Wilderness Ranch Owners Association Drinking Water Improvement Project Wilderness Ranch Owners Association Categorical Exclusion (Cat Ex) 2019 November 08
Panhandle Village Drinking Water Improvements Project Panhandle Village Categorical Exclusion (Cat Ex) 2021 April 12
Genesee (City of) Drinking Water Improvements Project City of Genesee Categorical Exclusion (Cat Ex) Concurrence 2021 March 23
Lewiston (City of) Drinking Water Improvements Project City of Lewiston Finding of No Significant Impact (FONSI) Reaffirmation 2021 April 10
Remington Recreational Water and Sewer District Drinking Water Improvements Project Remington Recreational Water and Sewer District Categorical Exclusion (Cat Ex) 2021 April 05

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Grants and Loans Supervisor

Charlie Parkins
Charlie.Parkins@deq.idaho.gov
(208) 373-0577

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