Water / Wastewater / Water Services

Man Installing Trench Box with Crane Truck

The Department of Water/Wastewater is responsible for all water and sewer improvements made in the City of Siloam Springs. Water mains, water meters, water towers, sewer lines, manholes, and sewer pumping stations are all maintained by the City of Siloam Springs' Water/Wastewater Department. In addition, department staff operate a surface water treatment plant and wastewater treatment plant.

Water & Sewer Emergencies

For all water or sewer emergencies, please call the City of Siloam Springs Water/Wastewater Department at 479-238-0921, or after-hours at 479-524-4118, option five (5). Make sure to leave a message including your name, address, phone number, and a brief description of the problem.

Please call the City of Siloam Springs before you call a plumber. If the problem is determined to be with the City sewer or water main we will correct it, and it will save you the cost of a plumber coming out unnecessarily. The City does not reimburse for plumbing expenses.


Grease is one of the primary causes of residential pipeline and sewer main clogs which result in sewer backups throughout the City. Learn more about how to properly dispose of your grease.

Sanitary Sewer Overflow (SSO)

Sanitary Sewer Overflows result from blockages in the sanitary sewer system. The overflows can cause untreated sewage to flow into streets, grass and creeks. View information on how to prevent SSOs.

Cold Weather Tips to Prevent Freezing Pipes

Pipes freeze due to quick drops in temperature, poor insulation and thermostats set too low. Both plastic and copper pipes can freeze and burst, and a cracked pipe can cause flooding, structural damage and mold. When pipes freeze, water in the pipes turns to ice and expands. The pressure causes cracks, and even a small one can leak 250 gallons in a day. Here are some tips you can follow that will help prevent freezing pipes.

  • Disconnect outside water hoses.
  • Inspect outside faucets, and repair dripping or leaking faucets.
  • If your home has an interior shut-off valve leading to outside faucets, close the valve and drain water from the pipes.
  • Cover outside faucets with a faucet insulation kit available at home and garden stores.
  • Apply heat tape around exposed pipes.
  • Allow a steady stream (about the size of a pencil) of hot and cold water to run overnight in sinks and bathtubs that have supply pipes that run along outside walls.
Man Operating Vac Truck