How Much Does It Cost to Repair or Replace a Water Service Line in South Dakota?

by Matt Schmitz
cost guide, wsl

From the eponymous falls of Sioux Falls to the limestone spring stream from which Rapid City takes its name, you South Dakotans really like to memorialize your natural bodies of water. But when your underground water service line is damaged by deep roots or a deep freeze and cracks like Mount Rushmore, you won't be so eager to celebrate the veritable Watertown springing up in your yard. And while South Dakotans can rest easy knowing they generally pay less for residential water line repairs than the average American, a full replacement could cost ya.

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Your exterior water service line carries water from the public water main into your home. But make no mistake: Once the pipes run under your property, they’re your responsibility — so you’re likely on the hook for any repair or replacement costs.

How deep your pipes are buried deeply impacts the price you pay for these services. Water service lines are buried as deep as local building codes require — but usually, the depth is determined by the frost line in your area. And the deeper the technician must dig to get to your broken or otherwise compromised line, the higher the cost.

graphic visualization showing a cut-away of a home exposing its rooms and home systems specifically focused on the water service line

The nationwide average water service line depth is 4.58 feet. In South Dakota, these lines are buried more than a foot and a half deeper than that, at 6.3 feet on average. For context, in f-f-f-freezing Minnesota, pipe depth is more than 8 feet.

Repair and replacement costs also vary depending on where you live. The national average for diagnosis is $222, for repair is $1,039 and for replacement is $3,581.

Below, you’ll find average service prices based on aggregated HomeServe data reported by our network of contractors across South Dakota, which should give you an approximation of how much you’ll pay to fix your out-of-commission water service line.

Water Service Line Diagnosis: $153

Before any work can begin, the technician will need to come out and run some tests to see what’s wrong with your system. In South Dakota, the fee for this is 31% less than the national average.

Water Service Line Repair: $866

A whole host of things can cause trouble with your exterior water service line — from invading tree roots to clogs to general wear and tear. Whatever’s up with your system, the repair process will likely start with excavation to expose the pipe. Depending on your situation, the technician may need to clear a blockage, find a leak or fix the pipe — and, of course, fill the hole back in.

South Dakota’s average repair price is about 17% lower than the nation’s.

Water Service Line Replace: $4,487

Small sections of leaky or broken pipe can be repaired, but massive clogs or fully compromised pipes might necessitate a full replacement. Due in part to how deep your pipes are buried, water service line replacements cost South Dakotans about 25% more than the average American.

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Video produced and directed by Eric Rossi: