Office of Environmental Remediation311Search all NYC.gov websites
OER’s Clean Soil Bank has recycled 850,000 tons of clean soil across New York City.
Learn more about the Clean Soil Bank and Forbell Street Stockpile.
OER celebrates completion of over 1,100 cleanups in the City Voluntary Cleanup and E-Designation Programs.
113 Hamilton Avenue has won the 2023 Big Apple Brownfield Award for Innovative Remediation for its improvement to public health and the environment in the Columbia Street Waterfront District in Brooklyn.
OER delivers free topsoil to farms at NYCHA’s Bay View Houses (pictured on the left) and Howard Houses in Brooklyn.
OER
The New York City Mayor's Office of Environmental Remediation is a team of scientists and engineers that design and operate municipal programs to promote cleanup and redevelopment of vacant contaminated land in NYC.
Read more about OER.
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What's New at OER
8/17/2026: OER staff phone numbers have changed again. If you have trouble reaching your project manager, please call OER's new main line at 332-455-3300.
5/14/2025: Garden deliveries for the growing season are in full swing, bringing clean soil and topsoil to community and school gardens. We can deliver up to 6 cubic yards of material and will continue this service through the winter. If your garden needs soil or topsoil, fill out an online request form and OER will work to arrange a delivery.
EPIC Project Portal
SPEED Mapping Tool
E-Designation
Clean Soil Bank
NYC Green Property
BIG GrantsOER Metrics
Sites Remediated 1,100
Units of Affordable Housing 33,000
