- Stormwater retention pond created during the Cascades Park soil remediation project - Tallahassee, Florida
- The Cascades was where two Florida delegates, one traveling from St. Augustine and the other from Pensacola, met and camped. Thereafter, this site was determined to be the mid-point between Florida's first two cities, and was designated the state capital.
- Discarded coal tar from a nearby city operated gas plant contaminated the soil. Over 70,000 tons of impacted soil is contracted to be excavated from the former manufactured gas plant and surrounding area while three inches of sediment from within the entire Cascades Creek channel will be removed for transport to an EPA-approved landfill.
- The pond was created during excavation to depths between 40-55 feet. A clay cap liner was then installed to: 1) stop rainwater from seeping through remnants of impacted media below and carrying the pollution into the groundwater, 2) prevent wind from blowing away remaining impacted materials, 3) keep people and wildlife from coming into contact with remaining impacted soil.
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