In late 1920, the City of Smackover created the Smackover Electrified Water Company.
The water system could not keep up with growing population and the system was sold to United Water.
Later on the city bought out United and created it's own water system.
This separate entity of the city became a municipal owned utility known as
Smackover Municipal Waterworks.

Today, Smackover has the storage capacity of 300,000 gallons and normal pumping capacity of about 725 gallons per minute with additional
325 gallons per minute for emergency use.

Smackover draws it's water from the Sparta Aquifer at a depth of about 400 feet.
Under normal operation the water company relies on two Sparta wells, a third well is for emergency use.
The fourth well has been used by the USGS for Sparta Aquifer monitoring.

The Arkansas Department of Health routinely monitors, samples, and tests the water and the operations of the system.
Over 125 water samples are tested for coli-form bacteria, Volatile Organic
Chemicals, Inorganic Chemicals, Synthetic Organic Chemicals and others.
Smackover Municipal Water publishes the Consumer Confidence Report
As required by State Health Codes, Smackover Municipal Waterworks has implemented
a Cross Connection Control Program, Lead & Copper Program, Well Head Protection Program, Capacity Development Program along with
the City of Smackover's adoption of the Arkansas State Plumbing Code.

Smackover Municipal Waterworks serves 1275 residents and customers in the area of
Smackover, Kenova, Cross River Port, Tinsley Road, Johnson Road, Sweet Home, Joyce City, Snow Hill, Lewis Hill, Standard-Umsted, Hays City, and Gas Plant Road.