Operation and Maintenance
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Operation and Maintenance


Orenco O&M Tools

Orenco offers a variety of tools and resources for installers and service providers. These tools will help you to correctly operate and maintain wastewater collection and treatment systems. If you’re a homeowner in need of a service provider, please use our Distributor Locator to find a local Orenco dealer who can recommend a service provider in your area.

Sludge Judge:

The “Sludge Judge” is used to measure the depth of sludge accumulations in primary, recirculation, dosing, and STEP tanks.

The proper way to use the Sludge Judge is as follows:

  • Slowly lower the tube into the septic tank until it touches the bottom of the tank.
  • As the device is slowly pulled out of the water, the check valve closes capturing a liquid/solid profile of the septic tank water. The thickness of the sludge layer can be measured.