The Department of the Interior, Bureau of Reclamation, Lower Colorado Regional Office, intends to issue a sole source solicitation for maintenance services of the Atlantium HOD Ultra-Violet (UV) Light systems, which are critical for controlling quagga mussel growth in generator cooling water systems at Hoover Dam, Parker Dam, and Davis Dam. The only known provider capable of fulfilling these maintenance requirements is Atlantium Technologies Ltd., prompting a noncompetitive procurement under FAR 13 and 6.302-1 guidelines. The anticipated contract will be a Firm-Fixed Price type, covering one base year with up to four option years, starting in September 2025. Interested parties are encouraged to submit capability statements or proposals by May 28, 2025, with further inquiries directed to Gilbert S. Mincey at gmincey@usbr.gov.