CT Water Operator case studies
CT Water Operator · Put your knowledge to work in context.
The Connecticut Water Operator credential is issued through the Connecticut Department of Public Health (DPH), the state agency that oversees drinking water programs. Our CT Water Operator exam-prep materials are built for people preparing to sit for water operator certification: treatment and distribution personnel, utility staff seeking advancement, and new hires who need a working command of drinking water operations. The CT Water Operator case studies are 5 cases and about 4,030 words.
1Filter Effluent Turbidity Excursion After Backwash
A 6 MGD conventional surface-water plant treats a reservoir source. The plant has four dual-media filters rated at 1.5 MGD each; three are in service and one is on standby.
789 words, about 4 min2Distribution Main Break Near a School During Peak Demand
A 12-inch cast-iron main breaks at 07:15 on a Tuesday on a street serving an elementary school, a 60-bed assisted-living facility, and about 40 homes. The break is flowing to the surface and the pressure in the zone has dropped from 62 psi to 18 psi.
769 words, about 4 min3Coliform Positive in Routine Distribution Sample
A utility serving 9,000 people collects its routine distribution samples monthly. This month's set of 10 samples includes one positive for total coliform from a sample station at the end of a dead-end main; the confirmatory test is negative for E.
769 words, about 4 min4Chlorine Feed Failure and Disinfection CT
A groundwater system chlorinates with sodium hypochlorite (12.5%) fed by a metering pump into the main before a 4,000-gallon contact tank. Design flow is 400 gpm; the tank provides roughly 10 minutes of theoretical contact time at design flow.
858 words, about 4 min5Confined Space Entry for a Valve Vault Repair
A 5-foot-deep valve vault on a 16-inch transmission main needs a packing replacement. The vault is 4 feet by 6 feet, entered through a 30-inch manhole, and sits in a grassy right-of-way near a busy road.
845 words, about 4 min