Behind the scenes, pool inspector Dave Hansen checks the automated pump-room operations of a public pool. The county inspects public pools monthly during swim season, and workers check water quality hourly. Hansen was checking the system on May 24.
Pima County inspector Dave Hansen uses a color-coded testing kit to measure pH and chlorine level during a recent pool inspection. Summertime, and its heat, adds a tough variable to keeping pool chemicals in balance and water quality safe.