| Borewell Size (Diameter) | Recommended Usage | Rate Per Feet |
|---|---|---|
| 4.5 Inch Dia | Small Residential / Individual Home | ₹ 94 |
| 6.5 Inch Dia | Standard Home / Apartments / Shops | ₹ 111 |
| 7.5 Inch Dia | Commercial / Large Housing Society | ₹ 167 |
| 12 Inch Dia | Agriculture / Industrial High-Yield | ₹ 186 |
*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 Kokrajhar, the geology consists of deep, unconsolidated alluvial deposits including sand, silt, clay, and gravel. Unlike rocky terrains, the challenge in Kokrajhar 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 Kokrajhar 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 Kokrajhar 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 Kokrajhar, the 6.5 inch dia drilling rate is ₹111 per feet. A typical 335 feet borewell here costs approximately ₹37,185 for drilling alone.
A: In Kokrajhar, the average water level is around 320 feet. However, to ensure a perennial supply, we recommend an ideal drilling depth of 335 feet.
A: Robotic or sensor-based drilling in Kokrajhar is more precise and slightly more expensive than the base ₹111/ft rate but ensures higher safety.
A: We recommend boiling or filtering the water in Kokrajhar first, as deep Alluvial aquifers can sometimes contain natural minerals like fluoride.
A: Yes, "Additional Drilling" is a common service in Kokrajhar where we deepen existing wells to reach the current water table at 335 feet.
A: Casing pipe costs in Kokrajhar depend on whether you use MS (Mild Steel) or PVC. Given the Alluvial soil, we recommend heavy-duty pipes to prevent borehole collapse.
This Borewell Cost is also applicable to Kokrajhar, Gossaigaon, Dotma, Fakiragram, Tipkai, Kachugaon, Serfanguri, Patgaon, Salakati, Balajan, Karigaon, Debitola, Srirampur, Tulshibil, Bishmuri, Basugaon Road, Charaikhola, Banargaon, Jharbari, Habrubari.
In the Bodoland Territorial Region, Kokrajhar presents a diverse hydrogeological landscape. For those planning a borewell in Kokrajhar town or the surrounding villages of Gossaigaon and Fakiragram, the approximate borewell depth required generally falls between 300 to 450 feet to tap into a sustainable perennial aquifer. The cost involved in drilling here depends largely on the diameter of the casing—ranging from 4.5 inches for small homes to over 7.5 inches for commercial sites. The regional geography, characterized by the 'Bhabar' zone near the Bhutan foothills, often poses difficulties due to the presence of large boulders and thick gravel layers. These challenges often require heavy-duty DTH (Down-The-Hole) drilling rigs or advanced rotary systems to ensure a successful penetration. The borewell success rate in the Gaurang River basin remains high, and a well-constructed unit typically boasts a life of several decades, provided high-quality PVC or MS casing is used to prevent the collapse of the sandy layers common in this belt.
The groundwater in the Kokrajhar district is mostly derived from the vast alluvial aquifers of the northern Brahmaputra plains. While the water is largely considered "sweet" and light, localized variations in mineral content are prevalent in areas like Titaguri and Balajan. Residents should be aware of the following water types:
Water dependency in Kokrajhar has traditionally been split between the Gaurang River, local ponds, and government-supplied piped water. However, the district has recently faced significant water shortage possibilities, especially during the dry pre-monsoon months when the water table in shallow ring wells and hand pumps drops drastically. In the northern forest villages near the Raimana National Park, the dependency on groundwater is absolute. While the Public Health Engineering Department (PHED) provides corporation-style water in the main headquarters, the supply can be intermittent. Therefore, a private borewell is highly required for residents in growing colonies like Gwjwnpuri and Santipur to ensure a reliable 24/7 supply. Having an independent source is no longer a luxury but a necessity to safeguard against the seasonal volatility of surface water and the increasing demands of urbanization.
Sinking a borewell in Kokrajhar is governed by the Assam Ground Water Control and Regulation acts to ensure ecological balance. The localized approval procedure is managed by the district administration and the BTR authorities. The process typically includes:
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.