| Borewell Size (Diameter) | Recommended Usage | Rate Per Feet |
|---|---|---|
| 4.5 Inch Dia | Small Residential / Individual Home | ₹ 90 |
| 6.5 Inch Dia | Standard Home / Apartments / Shops | ₹ 112 |
| 7.5 Inch Dia | Commercial / Large Housing Society | ₹ 155 |
| 12 Inch Dia | Agriculture / Industrial High-Yield | ₹ 193 |
*Above Bore well cost for Ideal Drilling Depth
*For Narrow Space additional equipment required, hence may incur Extra Cost
* PVC Pipe Installation may varry based on the Soil / Rock type. Here we calculated Average !
In the fertile plains of Patna, the geology consists of deep, unconsolidated alluvial deposits including sand, silt, clay, and gravel. Unlike rocky terrains, the challenge in Patna is not the hardness of the ground, but the stability of the borehole. We utilize Direct Rotary or Reverse Rotary drilling technologies to manage these soft strata effectively. A crucial part of our service in Patna is the design of the assembly, where we strategically place 'V-Wire' screens or slotted pipes against the most productive sand aquifers. To prevent the 'sand-pumping' issue common in this region, we perform precision gravel packing, filling the annular space with graded pebbles to act as a natural filter. This ensures crystal-clear water and protects your submersible pump from premature wear and tear. Because Patna may have multiple aquifer layers, we help clients identify the second or third layer to avoid the risk of surface pollutants or agricultural runoff. Our development process includes high-velocity surging and air-compressor cleaning to stabilize the aquifer and maximize flow. This professional approach results in a high-discharge tube well capable of supporting large-scale irrigation or high-capacity residential requirements.
Technical Setup for Alluvial Terrain:
Direct Rotary (DR) Rig with Gravel Packing for Sand Aquifers.
*Regulations updated as per 2026 state-wise groundwater policies. Non-compliance may lead to sealing of the borewell and environmental fines.
A: For residential properties in Patna, the 6.5 inch dia drilling rate is ₹112 per feet. A typical 325 feet borewell here costs approximately ₹36,400 for drilling alone.
A: In Patna, the average water level is around 275 feet. However, to ensure a perennial supply, we recommend an ideal drilling depth of 325 feet.
A: Yes, "Additional Drilling" is a common service in Patna where we deepen existing wells to reach the current water table at 325 feet.
A: Agricultural wells in Patna often require larger diameters. Prices are competitive, and we offer bulk discounts for depths exceeding 325 feet.
A: According to Bihar regulations, a minimum distance of 250 to 500 meters is often required from public water sources in Patna to prevent aquifer depletion.
A: Because Patna has a Alluvial geology, we primarily use high-pressure DTH (Down-The-Hole) hammer rigs or Rotary rigs to ensure efficient penetration.
This Borewell Cost is also applicable to Patna, Danapur, Khagaul, Phulwari Sharif, Fatwah, Bakhtiarpur, Barh, Mokama, Bihta, Naubatpur, Paliganj, Masaurhi, Punpun, Sampatchak, Maner, Dinapur, Anisabad, Kankarbagh, Rajendra Nagar, Patna City.
In the administrative landscape of Patna, securing a borewell approval is a structured process governed by the Bihar Ground Water Conservation and Management guidelines. For residents and developers in urban pockets like Boring Road, Kankarbagh, and Danapur, the primary authority is the Patna Municipal Corporation (PMC) in conjunction with the State Ground Water Board. Before any drilling equipment arrives at the site, an application must be submitted detailing the intended use—whether domestic, commercial, or agricultural. This is particularly vital in densely populated zones like Rajendra Nagar and Patliputra Colony to prevent over-extraction. The procedure involves a site inspection where officials verify the distance from existing public water sources, often requiring a minimum buffer to protect the local water table. For large-scale projects or industrial setups in the Fatuha or Bihta industrial belts, a No Objection Certificate (NOC) from the Central Ground Water Authority (CGWA) is mandatory. The documentation typically includes land ownership papers, a site map, and an affidavit promising adherence to rainwater harvesting norms, which are now strictly enforced across the district headquarters to ensure long-term sustainability.
The water profile in the Patna district varies significantly as one moves from the banks of the Ganges toward the southern interiors like Masaurhi and Paliganj. Generally, the groundwater is classified as "sweet" and potable in the upper alluvial aquifers, making it the lifeline for localities such as Anisabad and Phulwari Sharif. However, hydrogeological studies indicate a high Total Dissolved Solids (TDS) concentration in certain pockets, leading to "hard water" characteristics that affect household appliances and plumbing. In areas like Maner and Bakhtiyarpur, residents often report a distinct metallic taste in the water, which is attributed to elevated levels of Iron and, in some deeper zones, traces of Arsenic. This chemical composition necessitates the use of specialized filtration systems. While the water in central Patna remains largely alkaline and palatable, the brackish nature of deeper layers in southern blocks can sometimes pose challenges for direct consumption. Localities near the industrial corridors may also experience varied water quality, highlighting the need for a thorough chemical analysis before commissioning a new borewell for drinking purposes.
The geological structure of Patna is characterized by deep, unconsolidated alluvial deposits consisting of sand, silt, and clay. This "soft" strata requires specific drilling techniques; while DTH (Down-The-Hole) hammer rigs are common in rocky parts of India, in Patna, Direct Rotary or Reverse Rotary drilling is the preferred method to maintain borehole stability. In residential areas like Kidwaipuri and Shastri Nagar, the average borewell depth required to reach a perennial aquifer ranges from 250 to 450 feet. However, due to the falling water table in summer, many experts now recommend drilling up to 500 feet to ensure year-round supply. The cost of drilling in Patna is generally calculated on a per-foot basis, with additional charges for high-quality PVC casing pipes, which are essential in this sandy terrain to prevent "sand-pumping" issues. The total investment for a standard 6.5-inch residential borewell fluctuates based on the depth and the complexity of the site, such as narrow access in the congested lanes of Patna City (Old Patna). Despite the high success rate of nearly 90% in hitting water, the primary challenge remains the stabilization of the well. Precision gravel packing is a critical localized requirement here to act as a natural filter, extending the life of the borewell to an average of 15 to 20 years, provided regular flushing and maintenance are performed.
Find the borewell cost for your land based on the state, city, and locality. The cost estimate for a borewell tends to vary from area to area. For example, the borewell cost in a village is not the same as the cost in a city. It also depends on factors such as the accessibility of the borewell point, the type of soil (rock or loose soil), labor rates in the locality, PVC pipe and lid prices, and the availability of borewell equipment nearby.