In 2007 there was an aeration system added to help with the lake's ecosystem.

The most common management practice for grains and legumes is through the use of aeration systems.

The aeration system uses fans to push and/or pull air through the composting mass.

Diffused aeration systems utilize bubbles to aerate as well as mix the water.

New holding tanks and a customized aeration system were implemented in 1999 to improve fish care.

It includes the wastewater intake, an aeration system and an ultraviolet disinfection and several buildings.

"What you'll see most are whole-house aeration systems," he said.

A proposed aeration system was never approved by the City of Oakland.

This is contained in a steel pot that has an aeration system.

This combined with an artificial aeration system allows for a generally good water quality.