Very Small Water System Operator case studies
Very Small Water System Operator · Put your knowledge to work in context.
The Very Small Water System Operator credential is a state-issued certification for the individuals who run and maintain small public drinking water systems. The California State Water Resources Control Board administers the drinking water operator certification program through its Division of Drinking Water, and its website lists Drinking Water Treatment & Distribution System Operators among its most-visited program pages alongside the Operator Certification Exams page. The Very Small Water System Operator case studies are 5 cases and about 3,353 words.
1Chlorine Residual Collapse in a 180-Person Mobile Home Park
You operate a 180-resident mobile home park served by a single 6-inch well supply. The well pumps 45 gpm through a 1,000-gallon atmospheric contact tank where you feed 12.5% sodium hypochlorite with a metering pump at 0.4 gallons per day.
752 words, about 4 min2Single Well, No Backup: A Pump Failure With 60 Residents on Storage
You run a 60-connection community water system with one well (rated 30 gpm), one 10,000-gallon storage tank, and no intertie or backup source. The well pump fails on a Friday afternoon; you cannot get a replacement until Monday.
650 words, about 3 min3Turbidity Creep After a Spring Rain at a Small Filtration Plant
Your very small surface-water plant treats a spring-fed source through coagulation, flocculation, sedimentation, and a single mixed-media filter, rated at 50 gpm. It serves 90 connections.
637 words, about 3 min4A New Resident, a Private Well, and a Cross-Connection Question
A 40-connection community system serves a small subdivision. A new homeowner at the end of the line has an old private well on the property and wants to keep using it for irrigation while taking drinking water from the community system.
642 words, about 3 min5Monthly Sampling: A Missed Sample and a Positive Repeat
Your system serves 350 people, which puts you in a monitoring category requiring 2 routine total-coliform samples per month. It is the 28th of the month.
672 words, about 3 min