Louisiana Water Well
Drilling Cost
The average residential well in Louisiana is 150 feet deep and costs $5,250 in 2026. Drilling rates range from $22 to $52 per foot, with total project costs varying based on depth, geology, and pump system.
Avg. Well Depth
150 ft
Cost / Foot
$22–$52
Total Project
$5,250
vs. National
30% below avg.
Louisiana Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $2,200–$5,200 | $7,000–$10,000 | $8,300 |
| 150 ft | $3,300–$7,800 | $8,500–$13,000 | $10,450 |
| 200 ft | $4,400–$10,400 | $10,000–$16,000 | $12,600 |
| 300 ft | $6,600–$15,600 | $13,000–$22,000 | $16,900 |
| 400 ft | $8,800–$20,800 | $16,000–$28,000 | $21,200 |
| 500 ft | $11,000–$26,000 | $19,000–$34,000 | $25,500 |
*Drilling only = drilling labor per foot. Complete system includes casing, pump, pressure tank, electrical, and permits. Costs are Louisiana estimates for 2026.
Louisiana Well System Component Costs
| Service | Low | High | Average |
|---|---|---|---|
| Well Casing — PVC (150 ft) | $900 | $1,650 | $1,200 |
| Well Casing — Steel (150 ft) | $4,500 | $19,500 | $9,750 |
| Submersible Pump | $300 | $2,000 | $1,000 |
| Pressure Tank | $500 | $2,000 | $1,100 |
| Electrical Hookup | $1,000 | $3,000 | $1,800 |
| Permits | $25 | $150 | Varies |
| Water Quality Testing | $50 | $500 | $200 |
*Component costs based on Louisiana average well depth of 150 ft. Steel casing is typically required for bedrock wells; PVC is used in unconsolidated formations.
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Itemized Cost Estimate
This estimate is 146% above the Louisiana average of $5,250
Estimates are approximate. Actual costs depend on site conditions and contractor pricing.
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Louisiana Geology & Aquifers
Louisiana's geology is almost entirely unconsolidated Coastal Plain sediments — thick sequences of river-deposited sand, silt, and clay from the Mississippi River and its tributaries. The southern marshlands have extremely shallow water tables, while northern uplands require deeper drilling through Tertiary-age formations.
Understanding your local geology is important because rock type directly affects drilling cost. Hard crystalline rock (granite, gneiss) costs more to penetrate than soft sedimentary formations (sandstone, limestone) or unconsolidated deposits (sand, gravel). Your well driller can estimate costs based on nearby well logs.
Primary Aquifer
Southern Hills / Chicot / Sparta / Carrizo-Wilcox Aquifer Systems
Water table depth: 10-50 feet in southern Louisiana; 50-300 feet in northern parishes
Best Drilling Season
September through May; summer heat and tropical storm season can disrupt operations
Population on well water: About 14% of Louisiana households use private wells, mostly in rural northern parishes
Why Well Depth Varies in Louisiana
Wells in Louisiana range from 30 to 500 feet deep. The wide range is driven by regional differences in geology, water table depth, and aquifer type. A well in one part of the state may cost significantly more or less than another area just 50 miles away.
30 ft
Shallowest typical wells
Usually in areas with high water tables, sandy soils, or alluvial aquifers near rivers
150 ft
State average depth
Typical residential well for most Louisiana locations
500 ft
Deepest typical wells
Usually in arid areas, mountain terrain, or where shallow aquifers are depleted
Louisiana Well Drilling Permits & Regulations
Louisiana requires water well drillers to be licensed through the Louisiana Department of Health. Homeowner drilling is generally not permitted.
Permit Authority
- Authority
- Louisiana Department of Natural Resources, Office of Conservation; registration required for all wells
- Permit Cost
- $25-$150
Water Rights
- Doctrine
- Reasonable Use (surface water follows riparian rights; groundwater is largely unregulated outside of designated areas)
Well Water Quality in Louisiana
Well water quality in Louisiana varies by location and aquifer type. Testing your water at least annually is recommended, and a comprehensive test should be done before using a new well.
Common Water Quality Issues
iron
Treatment: iron filter or oxidation system
manganese
Treatment: oxidation filter or greensand system
hardness
Treatment: water softener
saltwater intrusion in coastal parishes
Treatment: appropriate treatment system
hydrogen sulfide
Treatment: aeration system or chlorine injection
Testing Recommendations
- Before first use: Full panel including bacteria, nitrates, pH, and state-specific contaminants ($150–$500)
- Annually: Bacteria (coliform) and nitrate testing at minimum ($50–$100)
- After flooding or repairs: Bacteria test to confirm well integrity ($25–$50)
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Well Drilling Costs by City in Louisiana
Well drilling costs vary by location within Louisiana. Select a city for local pricing details.
New Orleans
LA
Baton Rouge
LA
Shreveport
LA
Lafayette
LA
Lake Charles
LA
+ 3 more cities in Louisiana. View all
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Louisiana Well Drilling FAQ
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