Mandeville, LA Well
Drilling Cost
Avg. Depth
110 ft
Cost / Foot
$22–$52
Total Project
$3,740
vs. National Avg
50% below avg.
the $7,500 national avg.
Mandeville, LA Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $2,200–$5,200 | $7,000–$10,000 | $8,200 |
| 150 ft | $3,300–$7,800 | $8,500–$13,000 | $10,300 |
| 200 ft | $4,400–$10,400 | $10,000–$16,000 | $12,400 |
| 300 ft | $6,600–$15,600 | $13,000–$22,000 | $16,600 |
| 400 ft | $8,800–$20,800 | $16,000–$28,000 | $20,800 |
| 500 ft | $11,000–$26,000 | $19,000–$34,000 | $25,000 |
*Costs are estimates based on Mandeville area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Mandeville, LA
Lake Pontchartrain Northshore with Pleistocene Citronelle Formation sand and gravel; productive aquifer but proximity to lake requires saltwater monitoring
The average residential well in Mandeville is 110 feet deep and costs approximately $3,740 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $22 to $52 per foot, which is 50% below the national average of $7,500.
The primary aquifer serving the Mandeville area is the Southern Hills Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
St. Tammany Parish well permit; LA DNR; $50-$100
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