Pittsburgh Tribune Review
More than 50 volunteers raked and shoveled muck and debris Saturday morning from an empty Lake Elizabeth to clear the bottom for later power washing and refilling with clean water.
The Pittsburgh Parks Conservancy organized the community work session in coordination with the Pittsburgh Department of Public Works, who will handle next phase of cleaning the concrete lake in Allegheny Commons, according to Erin Tobin, the conservancy's community outreach coordinator.
A plan is being discussed to circulate the lake water more effectively to promote a healthier ecosystem that would require less frequent draining and cleaning.
A mallard duck is currently raising 11 ducklings at the lake. Although the lake contains just a small puddle of water, Robert Mulvihill from the National Aviary checked on them this week and said they appeared to be content in the park's grass... read the article here