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A replacement can run $15,000 to $30,000, and it usually arrives with no warning. What most homeowners do not know is that Minnesota has real programs for exactly this: low-interest loans open to almost anyone, and income-qualified grants that can cover most or all of the cost. Here is what exists and how to reach it.
There are two broad kinds of help: loans, which nearly any homeowner can use and which spread the cost over years, and grants, which you do not repay but which are limited, income-qualified, and competitive. Most people use a loan. If you qualify for a grant, it can change everything. Both are worth understanding before you write a check.
The single most useful program for a typical homeowner is the Agricultural Best Management Practices (AgBMP) loan, run by the Minnesota Department of Agriculture. The name is misleading: despite "agricultural," the program explicitly states that private and cluster septic work is eligible for anyone, anywhere in Minnesota, not just farmers.
Maximum interest rate 3% (plus normal loan charges), up to $200,000 to one individual, term up to 10 years. Covers new systems, upgrades, repairs, cluster systems, and connection to central sewer. You apply through your county government and a local participating lender.
At 3%, this is far below a typical home-improvement loan or credit card, and it is not income-restricted. For most people facing a replacement, this is the first program to ask about.
If your home is in a rural area and your household income is limited, the USDA Section 504 Home Repair program is exceptional. Septic repair and replacement qualify because they remove a health and safety hazard.
Much of rural Chisago and the surrounding counties is USDA-eligible territory, so this is worth checking even if you assume you would not qualify.
The state housing finance agency offers the Fix Up loan for home improvements, and septic repair and replacement are eligible.
Loans from $2,000 to $75,000, terms up to 20 years, financing up to 100% of the project, secured or unsecured options depending on the amount, no prepayment penalty. Rate depends on credit and income. You apply through a participating lender from the state's directory.
Grants do not have to be repaid, which makes them the best help available, and the hardest to get. They are income-qualified, funded in limited annual pools, and often first-come-first-served or prioritized for failing systems. If you might qualify, apply early in the cycle.
The most important thing to know: most of these grants are administered by your county, not by the state directly. Your county Environmental Services office is the front door.
Minnesota channels grant money to counties, which then help income-qualified homeowners replace failing systems. The amounts can be substantial. Chisago County has offered income-qualified grants covering much or all of a replacement, reported in the $15,000 to $20,000 range per system, with priority for systems that are an imminent threat to public health and for certain census tracts. Funding is limited and offered in cycles, so availability changes year to year. Check the current round with Chisago County Environmental Services.
The Minnesota Pollution Control Agency funds a statewide pool of low-income fix-up grants for homeowners with a noncompliant system on a homesteaded single-family home or duplex who meet their county's low-income criteria. These are distributed through county SSTS programs on an annual cycle. Ask your county whether current-year funds are available.
The Minnesota Board of Water and Soil Resources funds septic upgrade grants for rural landowners with income below 300% of the federal poverty guidelines, generally up to the lesser of $5,000 or 35% of the replacement cost. Also administered locally, often through your Soil and Water Conservation District (SWCD).
Two situations create urgency and, fortunately, tend to move you up the priority list.
An imminent threat to public health (sewage surfacing, backing up, or an unsafe tank) must be fixed within ten months under Minnesota rule, and these systems are prioritized in most county grant programs precisely because they cannot wait. If this is you, say so clearly when you contact the county.
Selling the home often means a failed compliance inspection with a closing date attached. Beyond the loans above, some counties offer Clean Water Partnership loans that are repaid through your property taxes rather than a bank, which can be a fit when a sale is pending. Availability varies by county; Pine County, for example, has funded this specifically for septic replacements.
Most properties on septic are also on a private well, and the Minnesota Department of Health runs parallel financial-assistance programs for well construction, repair, sealing, and water treatment. Several county programs bundle septic and well assistance into one application, so if both need attention, ask about both at once.
The system is confusing because the money comes from the state and federal governments but is handed out locally. In practice, two phone calls cover most of it:
For the USDA and Minnesota Housing loans, you go through their own channels (a USDA Rural Development office and a participating Fix Up lender, respectively), linked below.
Not sure which of these you might qualify for, or where your property stands? Tell us about your property and we will help you sort out the options and connect you with a licensed professional who can scope the actual work. Free, no obligation.
Program terms, funding, and deadlines change from year to year. Figures here were verified against the official sources above in July 2026, but confirm current details with each program before relying on them. This page is general information, not financial advice, and SepSource is not affiliated with any government program.