OK, so you’ve built a farm on a vacant lot near the 46th Street El station. How do you get water to it? If you’re the ingenious folks at the Walnut Hill Community Farm, you build a solar powered irrigation system.

You can get a close-up look at the system on Sunday, May 1 from 1 p.m. to 5 p.m. and even help lay out the irrigation lines. No experience is necessary and all the tools you need will be provided.

The system collects stormwater from the roof of the El station and employs solar power to run a pump to get the water to the crops. A STAKE grant paid for the system.

Walnut Hill Community Farm started last spring. The land is leased from SEPTA and the organization Philly Rooted manages the farm in cooperation with the The Enterprise Center Community Development Center. A youth group, the Walnut Hill Growers’ Cooperative, runs the urban farm portion of the operation.