IA Well Driller case studies
IA Well Driller · Put your knowledge to work in context.
The Iowa DNR Well Contractor Certification - commonly called the Iowa Well Driller certification - is the state credential a person holds in order to construct, reconstruct, or plug water supply wells in Iowa. It is administered through the Iowa DNR Private Well Program, which sits under Environmental Protection Water Quality, and it targets working drilling contractors and their crew leadership rather than homeowners or pump installers alone. The IA Well Driller case studies are 5 cases and about 3,097 words.
1Certification, Permit, and the Absent Certified Contractor
An Iowa contractor holds an active water well construction and pump installation certification. The owner of a rural home asks for a replacement well before winter, but the certified contractor will be out of state for three weeks.
505 words, about 3 min2Setbacks on a Small Lot with Fractured Limestone
A proposed well for a new rural home is staked 45 feet from the existing septic tank, 90 feet from the absorption field, 120 feet from a barnyard, 25 feet from the property line, and 40 feet from a road ditch. The lot slopes toward the well from the barnyard, and a 30-foot-deep abandoned hand-dug well lies 60 feet downslope.
531 words, about 3 min3Annular Seal Failure in a Gravel Lens
A 6-inch PVC well is drilled to 140 feet through 70 feet of casing. The log shows a sandy gravel lens from 45 to 55 feet, a clay confining layer from 90 to 105 feet, and a confined sand at 125 feet with a static water level that rises to 30 feet.
720 words, about 4 min4Short-Cycling Pump and a Leaking Pitless Adapter
A 4-inch steel-cased well is 180 feet deep with static water at 40 feet and a pumping level of 95 feet at 12 gpm. A 1.5-hp submersible pump is set at 160 feet.
675 words, about 3 min5Plugging a Hand-Dug Well Near a Sinkhole
An old farmstead has a 36-inch-diameter hand-dug well, 30 feet deep, with a brick liner and about 10 feet of water. The owner wants to fill it with fieldstone and dirt and cap it with a concrete slab.
666 words, about 3 min