Septic repair and replacement in Rhode Island
A new septic system is one of the larger bills a homeowner faces, and in Rhode Island the price depends heavily on where you live. Here's what drives the cost, when the state requires a more advanced system, and how the loan programs work.
What a system costs
DEM's own figures:
- Conventional system: typically $10,000 to $18,000.
- Innovative or alternative technology system: roughly $23,000 to $32,000.
- Sewer tie-in, where a line is available: about $2,000 to $4,000.
A repair that replaces one component, like a tank, a pump, or a distribution box, can cost far less than a full system. A licensed designer or installer can tell you which you're facing.
When an advanced system is required
Some parts of the state are designated critical resource areas, where a standard system isn't enough. The clearest example: within the coastal management areas for the Salt Ponds and the Narrow River, a cesspool that has to be replaced must be replaced with an advanced system that reduces nitrogen. Towns can add their own requirements too. Jamestown, for one, has a High Groundwater Overlay Zone with extra siting and treatment rules.
If you're near the coast, a pond, or a drinking water supply, ask about this before anything else. It's the single biggest swing in price.
Adding a bedroom or renovating
Septic systems are permitted for a set number of bedrooms. If you're adding one beyond what the system was approved for, you'll need a DEM Class II or Class III designer to apply for an alteration or a new system permit. Even a project that doesn't add a bedroom may need a Residential System Suitability Determination. Your local building official can tell you.
Who does the work
Rhode Island licenses the people involved. Designers hold a DEM Class I, II, or III license, and installers are licensed as well. Loan programs will only pay for work by state-licensed installers, so check before you sign anything.
Loans that help pay for it
Community Septic System Loan Program (CSSLP). Low-interest loans for repairing or replacing a septic system, or replacing a cesspool with one. Run through RIHousing and the Rhode Island Infrastructure Bank, and offered town by town.
- Up to $25,000 in most programs
- Covers the system and the engineering
- Properties with up to four units; you don't have to live there
- A $300 origination fee and a 1% service fee on the balance
- A debt-to-income limit of 45%, with income rules that vary by town
Participating communities: Bristol, Charlestown, Coventry, Cranston, Glocester, Hopkinton, Jamestown, Johnston, Narragansett, New Shoreham, North Kingstown, Portsmouth, Richmond, Scituate, Smithfield, South Kingstown, Tiverton, Warren, and Westerly. You apply through your town.
Sewer Tie-In Loan Fund. For connecting to a sewer and properly abandoning the old septic system or cesspool. Up to $10,000 over as long as five years. Participating communities: Coventry, East Providence, New Shoreham, North Smithfield, Tiverton, Warwick, and Westerly.
Program lists and terms change, so confirm with your town before you count on one.
How the job usually runs
Site evaluation → design by a licensed designer → DEM permit → installation by a licensed installer → inspection and closeout. The paperwork sets the pace. If you're working against a cesspool deadline or a closing date, get the designer involved first.
Send one request
Tell us what's going on and which town you're in. It takes a couple of minutes and costs nothing. A confirmation email arrives right away. We review every request and work to connect you with a licensed Rhode Island septic professional who serves your town.
Sewage coming up in the house or yard? Don't wait on a form. Call a licensed pumper now.