News Flash

City of Lewiston News

Posted on: October 5, 2021


Image of Old Septic Tank

If you live in Lewiston, Idaho and have a septic system, you could qualify for a special grant if you choose to connect to sewer. However, this opportunity is not available for long and it's open on a first-come, first-served basis.

Those interested will need to act quickly. All work must be complete by April of 2022. 

“We know that many residents are interested in transitioning to sewer, so it’s important for us to find a way to help them do that,” Joe Kaufman, City of Lewiston Engineering Project Supervisor for Stormwater and Wastewater, said. 


The City received a grant through the Idaho Department of Environmental Quality that allows for homeowners who are interested in connecting to sewer and decommissioning their septic system, to receive financial help with that process. Here’s what the offer entails: up to $6,000 or 60% reimbursement of the cost to extend the service line on private property to where it will connect with the house’s plumbing, and the decommissioning of the septic system. 


Decommissioning your septic system is your choice, but this is an unprecedented opportunity. 

What are the costs associated with connecting to sewer? Let’s break it down: 

1) Equity Buy In Fees (depending on the district you live in, these fees are based on a single family home; other structure types will require a different fee quote):

A Table Showing Costs Associated to Septic Conversion

2) Exterior Plumbing Permit: $70.44.


3) Line extension and tank decommissioning cost on private property. This cost is dependent on how far the tank is from the street and any obstacles in the way (i.e. fencing, other utility lines, buildings).  


4) Possible main line extensions you would need and asphalt/concrete repair of the street. We can help you identify if a line extension in the street would be needed. We would encourage you to discuss with neighbors and possibly approach a contractor as a group, if this is the case. 


Why is transitioning to sewer a good thing for you and your community? 

We understand that this is a big decision and a lot of information to digest. However, we want to emphasize that the elimination of septic systems is important in order to protect area water quality. 


Where are the sewer lines located? 

Review these maps, which show sewer lines within the City of Lewiston, including the Lewiston Orchards Sewer District and Central Orchards Sewer District, as well as identified presumed septic systems in the City and Nez Perce County. Please note that the septic records are not always current, as they are maintained by a different agency. 


Do you want to apply? Do you have additional questions? 

If you would like to apply or receive more information about this opportunity, please contact the City of Lewiston Public Works Department at 208-746-1316, or by email at, or by visiting the office, 215 D Street, Suite B, Lewiston, Idaho 83501. 

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