MI Well Driller case studies
MI Well Driller · Put your knowledge to work in context.
The Michigan Well Driller certification is a state credential for people who construct, develop, repair, and abandon water wells in Michigan. It signals that the holder understands the regulatory framework for well construction and the practical field skills that protect groundwater and keep a well safe to drink from. The MI Well Driller case studies are 5 cases and about 4,618 words.
1Lakefront Lot With Two Possible Well Sites
A 1.5-acre lakefront parcel has a 1972 septic system with a 1,000-gallon tank and a drain field, an abandoned 20-foot hand-dug well at the rear of the lot, and a seasonal wetland that reaches within 30 feet of the proposed building pad. The homeowner wants a new 4-inch well for a heat pump and domestic supply.
1,058 words, about 5 min2Annular Seal in a Caving Sand and Gravel Hole
A driller is completing a 6-inch Schedule 40 PVC casing in a 10-inch borehole to 85 feet. The upper 20 feet is sandy fill, 20 to 55 feet is caving sand and gravel, and 55 to 85 feet is fractured shale.
939 words, about 5 min3Low-Yield Well With a Pump That Cycles Every 40 Seconds
A 6-inch well is 200 feet deep with 40 feet of screen from 150 to 190 feet. Static water level is 60 feet.
899 words, about 4 min4Coliform-Positive New Well With Elevated Nitrate
A new 4-inch well is completed at 120 feet with 40 feet of casing grouted to 40 feet. The driller shock-chlorinates with about 100 ppm chlorine, waits 24 hours, flushes until the chlorine odor is gone, and takes a coliform sample the next morning.
911 words, about 5 min5Plugging a Flowing 1950s Farm Well
A 1950s farm well has a 12-inch steel casing to 45 feet, a corroded top section, and flows about 2 gpm year-round into a concrete pit. The pit is 4 feet deep and has standing water; the casing top is 1 foot below grade.
811 words, about 4 min