The Maguayo and Dorado Urbano public water systems have drinking water wells that serve approximately 67,000 people. Groundwater samples collected by the Puerto Rico Aqueduct and Sewer Authority found tetrachloroethylene and trichloroethylene, solvents commonly used in industrial processes, in part of the system. The EPA’s investigation has not yet identified the source of groundwater contamination in the public supply wells.
After receiving a letter from the Puerto Rico Environmental Quality Board supporting the inclusion of the Dorado site on the Superfund, the EPA has determined that a listing offers the best course of action to protect human health and clean up the contamination. The Superfund final designation makes sites eligible for funds to conduct long-term cleanups.
For Federal Register notices and supporting documents for these final and proposed sites, on the day of publication visit:http://www.epa.gov/superfund/sites/npl/current.htm
Comments can be submitted, identified by Docket number by one of the following methods:
Docket number (EPA-HQ-OLEM-2016-0156) for the Dorado site.
http://www.regulations.gov: Follow the online instructions for submitting comments.
Mail: Mail comments (no facsimiles or tapes) to Docket Coordinator, Headquarters; U.S. Environmental Protection Agency; CERCLA Docket Office; (Mail Code 5305T); 1200 Pennsylvania Avenue, NW; Washington, DC 20460
Hand Delivery or Express Mail: Send comments (no facsimiles or tapes) to Docket Coordinator, Headquarters; U.S. Environmental Protection Agency; CERCLA Docket Office; 1301 Constitution Avenue, NW; EPA West, Room 3334, Washington, DC 20004. Such deliveries are only accepted during the Docket’s normal hours of operation (8:30 a.m. to 4:30 p.m., Monday through Friday, excluding Federal holidays).