Central Oregon Septic Assistance Program
COSAP offers financial aid for Crook, Deschutes, and Jefferson County homeowners at or below moderate income level who need to repair or replace septic systems.
COSAP is a program administered by the Central Oregon Intergovernmental Council with assistance from the COSAP Steering Team. COSAP was made possible thanks to a grant award from the Oregon Department of Environmental Quality’s Onsite Septic Financial Aid Program.
The application for COSAP’s first round of funding will go live on September 1, 2023 and will close October 15, 2023. Please sign up for program alerts to stay up to date with important program information.
Homeowners in Crook, Deschutes, and Jefferson Counties may be eligible for a grant to repair/replace their septic system, or connect to a sewer line if:
- They have a failing septic system
- Their systems are non-compliant and post an imminent risk to public health and/or are likely to result in significant environmental impact
Applications with household incomes at or below the income* figures listed in the table below will be prioritized for this round of funding. For questions about income, please contact your sanitarian or COIC through the listed methods at the end of this page.
Maximum Eligible Incomes by Household Size
|County||Persons in Household|
*COSAP uses 120% of HUD’s Community Development Block Grant definition of LMI.
If your household size is greater than 4, please contact us for assistance.
Available Grant Awards:
Grants may cover up to $20,000 for standard systems or up to $30,000 for an alternative system.
Grants may cover septic repairs or replacements that have occured after January 1, 2023.
Frequently Asked Questions
What is the application process?
Applications are now open. Please review the eligibility criteria and if you believe you are eligible, fill out the application online. If you need assistance, reach out to your county sanitarian or call (458) 666-3299. Paper applications are also available as needed.
All applications will be evaluated and ranked by the Steering Committee on a rolling basis, first come first serve. Grants will be awarded based on eligibility criteria and distributed according to program allotment.
Once you have submitted your application, COIC will contact all applicants to inform you if you have been selected to receive a grant.
I have already paid for work on my septic system. Am I eligible to apply for reimbursement?
Homeowners are able to apply for eligible reimbursements for repairs that occurred during any time during 2023. Please specify the amount and the timeframe of work in your application.
Can I apply as a small business owner?
During this first round of applications, we will not be accepting applications from small business owners.
How will my income be determined?
COSAP uses 120% of area low to moderate income (LMI), based upon the U.S. Department of Housing and Urban Development’s (HUD) definition of LMI. HUD’s definition of LMI is 80% median family income.
Within the application, you will be asked to submit your most recent tax return. If you are unable to supply a tax return, please submit three months’ paystubs or Social Security statements.
Who counts as a member in my household?
For determining income, COSAP uses your financial dependents listed in your most recent tax returns.
COSAP will also ask for the number of people living in your home (including tenants, relatives, and non-relatives) to determine the load on your septic system. This will help us score applications.
Please reach out to email@example.com with assistance.
Contact your county sanitarian
General Comments or Questions?
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