Lewis & Short

pŭtĕālis, e, adj. [puteus], of or belonging to a well, well-: undae, well-water, Ov. Ib. 391; so, lymphae, Lucr. 6, 1178: aquae, Dig. 43, 1, 20, § 6: fons, Col. 11, 3, 8: unda, id. 1, 5, 1: pocula, of spring-water, Juvenc. 2, 259; cf. puteanus.