City of Rapid City Public Works
Rapid City Water Service Line Replacement is available to homeowners in Rapid City, SD.
Cost-share program for replacement of private water service lines from the main to the home. City covers up to 50% of costs for income-qualified homeowners with aging or failing water laterals.
City covers 50% of water line replacement costs up to $4,000 maximum
Official source site checked live on 2026-06-22.
Data last verified 2026-05-25. How we verify our data.
In Rapid City, SD, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Rapid City, SD can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Rapid City early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Ongoing program
Ask us. It is free, and a real person answers within a business day.
Email us about this programUp to $4,000 assistance.
Rapid City Water Service Line Replacement is open to homeowners in Rapid City, SD.
Apply directly with City of Rapid City Public Works using the official program link on this page or call (605) 394-4161. There is no middleman and no fee.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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