Ferndale High School: Park in the South Brown lot. Walk around the tennis courts, and past the gym. The pool will be accessed down a staircase after the FHS (not FMS) gym. If you hit the Assigned Parking Lot (#6), you've gone too far.
Southfield Civic Center: Heading south on Evergreen, take the first traffice circle south of I-696, east towards to the Southfield Library. Follow the drive around to the right. The parking lot for the pool will be on the left, just past the sand volleyball courts. Enter through the double doors up the walk. Locker rooms are on the right or continue ahead and doors to the pool are on your right.