ðə ɹˈɛzɚvwˌɑːɹ wʌz bˈɪlt baɪ ðə juːnˈaɪɾᵻd stˈeɪts ˈɑːɹmi kˈɔːɹ ʌv ˌɛndʒɪnˈɪɹz æz pˈɑːɹt ʌvðə wˈɑːʃɪŋtən ˈækwᵻdˌʌkt pɹˈɑːdʒɛkt.
The reservoir was built by the United States Army Corps of Engineers as part of the Washington Aqueduct project.