 This provides a natural habitat for a wide variety of birds and reduces the sediment, nitrogen, and phosphorus contents of the water to a drinkable level.Through the use of selected aquatic plants, this environmentally friendly project will provide millions of gallons of reusable water and reduce the environmental impact.Garland Power and Light (GP&L) was founded in 1923 to provide Garland residents not-for-profit public utility services, locally controlled by its citizens.