A-42 Negley Run

Image from the Larimer Neighborhood Conceptual Community Stormwater Management Strategy, December 2015.

The Negley Run sewershed is 3,300 acres of dense, urban neighborhood development with only 10% of its land area covered by park or park-like forested conditions. Washington and Negley Run Boulevards are major traffic arteries that serve the surrounding neighborhoods. They are also primary drainage corridors within the watershed, and they capture the largest volume of stormwater of any city sewershed. 

ALCOSAN’s typical year analysis reveals 66 overflow activations of the A42 Outfall for a total of 1,085 hours of overflow discharge accounting for 777 million gallons of overflow. Link to PWSA’s Green First chapter on A-42. A map of projects being discussed through the Negley Run Watershed Task Force:

Citizen Participation:

The Negley Run Watershed Task Force has been meeting since 2017 and currently meets quarterly. Work groups meet more often between full Task Force meetings. Status of rainwater projects in the watershed and represented on the map are kept up-to-date on the Project page. Past agendas, presentations and reports are archived.