Oklahoma Water Well Depth & Drilling Cost Guide
Authoritative hydrogeological intelligence for Oklahoma. Regulated by the Oklahoma Water Resources Board (OWRB). The statewide median drilling depth is 190 feet (ranging 50–550 ft) with an average drilling cost of $36 per foot ($26 to $60/ft).
Quick Hydrogeological Fact Sheet: Oklahoma
To reach potable water in Oklahoma, residential wells require drilling an average of 190 feet deep. Total turnkey installation costs average $8,900 USD for a completed 6-inch casing well, 1.5 HP submersible pump, pressure tank, and state permits. The standing static water table sits at approximately 45 feet below surface level, producing a reliable average flow rate of 22 GPM across the primary Garber-Wellington Aquifer (Central OK).
Oklahoma County-Level Well Logs & Average Depths
Official USGS hydrogeological monitoring stations, static levels, and driller completion records.
| County Name | Median Depth (ft) | Avg Cost / Foot | Typical Yield | Primary Aquifer | Local Action |
|---|---|---|---|---|---|
| Oklahoma County | 220 ft | $38 /ft | 20 GPM | Garber-Wellington Sandstone |
|
| Cleveland County (Norman) | 240 ft | $40 /ft | 18 GPM | Garber-Wellington |
💰 Estimated Turnkey Cost Itemization in Oklahoma
Component-by-component breakdown for a standard residential water well (190 ft average).
| System Component | Specification in Oklahoma | Unit Cost | Estimated Subtotal |
|---|---|---|---|
| Borehole Drilling & Sanitary Casing | 190 ft depth with standard 6" PVC/Steel Casing & Drive Shoe | $36 /ft | $6,840 USD |
| Submersible Pump & Drop Pipe | 1.0 HP – 1.5 HP Stainless Submersible Pump with 12-gauge electrical drop cable | Turnkey Pump Unit | $2,250 USD |
| Pressure Tank & Control Switch | 40-gallon Captive Air Pressure Tank, 40/60 PSI Pressure Switch & Gauge | Standard Assembly | $1,200 USD |
| State Permits, Sanitary Grouting & Lab Water Testing | Mandatory Oklahoma Water Resources Board (OWRB) permit, bentonite surface seal, and EPA drinking panel | State Fee + Lab | $550 USD |
| TOTAL ESTIMATED TURNKEY INVESTMENT | Includes excavation, drilling, plumbing hookup, and water inspection | $8,900 USD | |
Oklahoma Aquifers & Subsurface Geology
Permian red sandstone/shale in central; karst limestone in south; Ogallala in panhandle
Water Quality & Recommended Filtration
⚖️ Oklahoma Well Drilling Regulations & Legal Setbacks
Calculate Drilling Cost in Oklahoma
Pre-loaded with Oklahoma median depth (190 ft) and average cost ($36/ft).
Frequently Asked Questions: Drilling Wells in Oklahoma
1. How deep do you usually have to drill for water in Oklahoma?
Across Oklahoma, the median residential water well is drilled to 190 feet. However, shallow alluvial wells can hit water as high as 50 feet, while deep bedrock or limestone aquifer wells may require drilling down to 550 feet to reach sufficient pressure and yield.
2. How much does a complete water well cost in Oklahoma?
On average, homeowners in Oklahoma invest $8,900 USD for a complete turnkey system. Drilling alone costs $36 per foot (ranging $26–$60/ft), while submersible pumps, pressure tanks, state permit fees ($100), and electrical hookups comprise the remaining balance.
3. What is the required setback from septic tanks in Oklahoma?
State health mandates overseen by the Oklahoma Water Resources Board (OWRB) require a minimum separation distance of 100 feet from any septic tank, leach field, or potential contamination source, plus at least 25 feet from adjacent property boundaries.
4. What is the groundwater quality like in Oklahoma?
Wells in Oklahoma typically yield water with a hardness reading around 240 PPM and an average pH of 7.6. Key minerals present in natural groundwater include Hardness, Arsenic/Chromium in Garber-Wellington, TDS. The recommended standard filtration configuration is: Heavy Metal Removal System + Water Softener.
🗺️ Neighboring & Regional Groundwater Guides
Request 3 Free Water Well Drilling Estimates in Oklahoma
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