Spring Hill Drainage Co
Spring Hill, TN · French Drain Specialists
Sump pump installation in a Spring Hill TN crawlspace

Spring Hill, TN · Active Drainage

Sump Pump Installation in Spring Hill, TN

Pit excavation, primary pump, battery backup. The mechanical part of a drainage system that handles water on lots where gravity flow alone is not enough.

When gravity isn't enough

Sump Pumps for Spring Hill TN Crawlspaces and Basements

A sump pump is what moves water out of a building when gravity drainage to a daylight outlet is not possible. In Spring Hill, that situation comes up often on lots where the lowest point of the structure is below or level with the surrounding grade. Interior perimeter French drains in crawlspaces and basements almost always terminate in a sump pit because there is no gravity path out.

The pump itself is the mechanical heart of the system. The pit is sized to hold enough buffer water that the pump cycles at a reasonable rate rather than running continuously. The primary pump handles normal cycling. A battery backup pump handles power outages and primary pump failures, both of which are common during spring storm activity in middle Tennessee.

Sump Pump System Components

  • Pit basin. 18 to 24 inch diameter, 24 to 30 inch depth, perforated plastic basin with a gravel envelope around it.
  • Primary pump. 1/3 to 1/2 horsepower submersible pump (Zoeller, Liberty, or Wayne) sized to the volume the system will see.
  • Battery backup pump. 12-volt secondary pump with float switch, sealed lead-acid battery, and a separate discharge line.
  • Check valve. Prevents discharged water from flowing back into the pit when the pump shuts off.
  • Discharge line. 1.5 inch solid PVC routed to a safe daylight outlet well clear of the foundation.
  • High-water alarm. Audible alarm that triggers if the water level rises above the primary pump float, useful for catching pump failures before flooding starts.

Service Area

We install sump pumps throughout Spring Hill, Thompson's Station, Columbia, Franklin, Brentwood, and across Williamson and Maury County. See full service area.

Related Services

French Drain Installation Spring Hill TN→Foundation Drainage Spring Hill TN→Yard Drainage Spring Hill TN→Contact→

Sump Pump Installation Spring Hill TN: Frequently Asked Questions

What does sump pump installation cost in Spring Hill TN?
Sump pump installation in Spring Hill typically runs $1,500 to $4,500. A new pit, basic primary pump, and discharge line runs $1,500 to $2,400. Adding a battery backup pump for Tennessee storm season runs another $700 to $1,400. Tying the sump pit into a new interior or exterior French drain system can add $2,500 to $6,000 depending on linear feet.
How long does a sump pump last in middle Tennessee?
A quality primary sump pump runs 7 to 12 years under normal cycling. Battery backup pumps with sealed lead-acid batteries need the battery replaced every 4 to 6 years, depending on cycle frequency. Pumps that run continuously during heavy spring storm activity can shorten that life by a year or two. We recommend a backup pump on any Spring Hill installation because middle Tennessee storms tend to be both heavy and accompanied by power outages.
Do I need a battery backup sump pump?
Strongly recommended in Spring Hill. The same heavy storms that cause groundwater to surge against the foundation also frequently knock out power. A primary pump with no backup is exactly off when you need it most. Battery backup systems run on a sealed lead-acid battery for 6 to 24 hours depending on cycle frequency, which is usually enough to cover the storm duration plus the most likely outage window.
Where should the sump pit go?
Inside the crawlspace or basement at the lowest interior point, where collected drainage water naturally flows toward it. For an interior perimeter drain, the pit is positioned at the end of the drain run. For a stand-alone application (no French drain), the pit goes where existing water consistently shows up. The pit is typically 18 to 24 inches in diameter, 24 to 30 inches deep, and lined with a perforated plastic basin.
Where does the sump pump discharge water?
To a safe outlet well clear of the foundation: a daylight discharge point on a downslope edge of the property, a curbside outlet, or a dry well on lots where neither is practical. The discharge line is solid PVC, 1.5 inch typical, with a check valve at the pump to prevent backflow. We never discharge back into a yard drain or storm system where it can re-circulate to the foundation.
Can you replace an existing sump pump?
Yes. Pump-only replacements where the pit and discharge line are in working order typically run $400 to $900 for parts and labor. We use Zoeller, Liberty, or Wayne pumps depending on the application. Battery backup additions on an existing primary pump run $700 to $1,400 including battery, controller, and a separate discharge tie-in.
Crawlspace or basement water?

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