| Boise, ID | $25–$50 $/foot drilled | $9,000–$13,000 Residential well, 250 ft, pump and pressure tank included | - Depth to aquifer (80–400 ft range across Treasure Valley)
- Hard basalt/granite geology in Boise foothills
- Pump horsepower and pressure tank sizing
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| Charlotte, NC | $30–$65 $/linear ft drilled | $8,000–$10,500 250-ft well, submersible pump, pressure tank | - Depth to water-bearing fractures in Piedmont bedrock
- Casing length through weathered zone into rock
- Pump sizing for household demand and water table depth
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| Colorado Springs, CO | $25–$65 $/foot drilled | $15,000–$40,000 Residential well, 400-600 ft, pump & pressure tank | - Depth to water table (400–1,000+ ft in El Paso County)
- Formation hardness (granite vs. sedimentary layers)
- Pump, pressure tank, and water treatment system needs
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| Fort Myers, FL | $3,500–$10,000 $/well drilled | $4,500–$8,500 Residential potable well, Floridan aquifer, Lee County | - Aquifer depth and saltwater intrusion in coastal Fort Myers
- Lee County and SFWMD permit fees and licensed contractor requirements
- Water treatment system needed for iron/sulfur in local geology
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| Grand Rapids, MI | $25–$45 $/ft drilled | $8,500–$12,000 100-ft residential well, mid-grade submersible pump | - Total drilling depth through glacial drift or bedrock
- Pump horsepower and pressure tank capacity
- Site access and mobilization difficulty
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| Indianapolis, IN | $25–$45 $/ft drilled | $7,500–$13,000 250-ft residential well, cased, pump included | - Well depth to reach glacial drift or bedrock aquifer
- Casing material and footage (steel vs PVC)
- Pump system depth and horsepower requirements
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| Nashville, TN | $25–$55 $/foot drilled | $12,000–$26,000 Single-family well, 250 ft, pump and pressure tank | - Total depth required in Nashville limestone geology
- Length of steel surface casing (TDEC min. 20 ft)
- Pump, pressure tank, and water treatment additions
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| Raleigh-Durham, NC | $30–$60 $/linear ft drilled | $7,500–$13,000 Complete well install, 250 ft, Wake/Durham County | - Depth required to reach productive fracture zone
- Pump size and pressure tank specification
- Iron/manganese levels requiring post-install treatment
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| Salt Lake City, UT | $25–$60 $/foot drilled | $12,000–$28,000 New residential well, 400 ft, pump & pressure tank | - Depth to aquifer (100–600 ft depending on location in valley)
- Geology — Lake Bonneville sediments vs. cobbles near Wasatch fault
- State permitting, water rights application, and lab testing fees
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| Tampa Bay, FL | $25–$60 $/foot drilled | $3,500–$8,500 Residential potable well, 100-ft depth, Hillsborough Co. | - Depth required to reach usable Floridan Aquifer zone
- Saltwater intrusion risk near coastal Pinellas areas
- Pump type, pressure tank size, and permit fees
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