Lawn Fertilizer Nutrient Loading

Overview: Nitrogen and Phosphorous loading are inherent, readily identifiable problems within the Pretty Boy and Loch Raven reservoirs. Pretty Boy reservoir is a source of the Gunpowder River. Both reservoirs are listed as “impaired” waterways by Baltimore County. A surprising quantity of nutrients come from residential lawn runoff.

Project: GRK is interested in developing educational materials that will provide homeowners within the watershed pertinent information regarding phosphorous and nitrogen impacts commercially available lawn fertilizers and how alternative measures may be used to lessen their impacts.

Benefits: This project will provide education and engage residents within the watershed to identify and correct nutrient loading impacts to the watershed from impacts from residential lawn fertilizer runoff entering the River’s already impaired waterways.

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