Summary

EPA is providing notice of and requests public comment on EPA’s proposed action relating to the Minor New Source Review (NSR) permit application for the Laguna Reservoir Restoration Project by the Bureau of Reclamation (USBR). EPA is issuing a Minor New Source Review (NSR) Permit in Indian Country that would grant conditional approval, in accordance with the Minor NSR regulations for Indian Country (40 CFR 49.151-161), authorizing the USBR to construct and operate booster pumps at Laguna Reservoir on the Fort Yuma Quechan Reservation. The proposed location for the Laguna Reservoir Restoration Project is on the Fort Yuma Quechan Reservation at Laguna Reservoir in Imperial County, CA.

The USBR Project consists of the installation of one primary booster pump connected to a cutter suction dredger and discharge pipe and the installation of one secondary booster pump that will only be used if the primary pump breaks down. The booster pumps will facilitate the transport of dredged material from the Reservoir to an existing upland dredge disposal site to restore the storage capacity of the reservoir. The emission increases in nitrogen oxides from this project lie above the Minor NSR threshold. The Project is expected to last about two years.