Drinking Water Portal - Public Water Supply Search

PWS ID uniquely identifies the Water Supply within a specific state. It is a unique 9-digit number that begins with IA for Iowa's Water Supply, for example IA1234567. PWS Name refers to the name of the Water Supply system.

PWS Type is a value which classifies the Public Water Supply according to state requirements. C means Community Water Supply, NC means Non-Community Transient Water Supply, NTNC means Non-Community Non-Transient Water Supply, and NP means Non-Public Water Supply.

County refers to the name of the principal county served by the Public Water Supply system.

City refers to the name of the principal city served by the Public Water Supply system.

Field Office is a number used within selected state programs to uniquely identify the Public Water Supply's region. Options include FO1, FO2, FO3, FO4, FO5, and FO6.