Information technology in water and wastewater utilities / Water Environment Federation (WEF) - New York : McGraw-Hill, 2011 - xxix, 344 p. : ill. ; 25 cm. - WEF manual of practice ; no. 33 . ISBN: 9780071737050 0071737057 Subjects--Topical Terms: Water treatment plants --Information technologySewage disposal plants --Information technologyWater treatment plants --Information technology --Case studiesSewage disposal plants --Information technology --Case studies LC Class. No.: TD434 / .I53 2011