| 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 | ₹ 112 |
| 7.5 Inch Dia | Commercial / Large Housing Society | ₹ 165 |
| 12 Inch Dia | Agriculture / Industrial High-Yield | ₹ 190 |
*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 !
Borewell construction in the coastal district of Thiruvananthapuram requires specialized technical expertise due to the sensitive balance between freshwater and saltwater. The geological profile typically consists of marine sediments, fine sand, and clay lenses. The primary risk in Thiruvananthapuram is 'Saltwater Intrusion,' where drilling too deep or pumping too aggressively can pull brackish water into the freshwater zone. To combat this, we implement 'Telescopic Casing' designs, where a larger diameter outer pipe seals off the shallow saline layers, allowing us to safely tap into the deeper, sweet-water aquifers. We often use Electrical Resistivity Tomography (ERT) in Thiruvananthapuram to map the salinity profile before we begin drilling. Our pumps and casing materials are chosen for their corrosion resistance, as the saline coastal air and soil can be highly reactive. We also specialize in 'Cement Grouting' techniques to create an impermeable seal between different water layers, ensuring the long-term purity of your water supply. For residents and businesses in Thiruvananthapuram, we provide integrated solutions that include advanced filtration if the water contains high total dissolved solids (TDS). This ensures a sustainable, high-quality water solution even in the challenging marine environment of the coast.
Technical Setup for Coastal Terrain:
Telescopic Casing for Salinity Isolation & Freshwater Preservation.
*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 Thiruvananthapuram, the 6.5 inch dia drilling rate is ₹112 per feet. A typical 385 feet borewell here costs approximately ₹43,120 for drilling alone.
A: In Thiruvananthapuram, the average water level is around 250 feet. However, to ensure a perennial supply, we recommend an ideal drilling depth of 385 feet.
A: Agricultural wells in Thiruvananthapuram often require larger diameters. Prices are competitive, and we offer bulk discounts for depths exceeding 385 feet.
A: The Coastal soil determines the bit type we use. Harder formations require tungsten carbide bits which we use as standard in Thiruvananthapuram.
A: In Kerala, borewells are usually deeper and drilled in rock, while tubewells are common in alluvial soil. Thiruvananthapuram mainly requires deep borewells due to its Coastal nature.
A: Casing pipe costs in Thiruvananthapuram depend on whether you use MS (Mild Steel) or PVC. Given the Coastal soil, we recommend heavy-duty pipes to prevent borehole collapse.
This Borewell Cost is also applicable to Thiruvananthapuram City, Neyyattinkara, Nedumangad, Attingal, Varkala, Kazhakoottam, Technopark Area, Vizhinjam, Kovalam, Peroorkada, Vattiyoorkavu, Nemom, Balaramapuram, Parassala, Kattakada, Kilimanoor, Venjaramoodu, Pothencode, Kanjiramkulam, Malayinkeezhu.
Thiruvananthapuram, the capital of Kerala, manages a growing dependency on groundwater as its urban footprint expands towards Kazhakkoottam, Sreekaryam, and Peroorkada. While the Peppara Dam and Aruvikkara reservoir serve as the primary sources for municipal drinking water, the rapid growth of high-rise apartments and the Technopark IT corridor has significantly increased the demand for secondary water sources. In residential hubs like Vattiyoorkavu and Kowdiar, many households still maintain traditional open wells, but as summer heat intensifies and the water table recedes, these wells often become unreliable. This makes a private borewell a critical requirement for apartment complexes, hospitals, and independent villas in the suburbs to ensure a 24/7 supply. For those in elevated areas like Nanthancode and Mannanthala, the possibility of seasonal water shortage is a persistent reality, making a well-planned borewell a vital asset for self-sufficiency.
The extraction of groundwater in Thiruvananthapuram is regulated by the Kerala Ground Water Authority (KGWA) to prevent over-exploitation. Property owners in Nemom, Vizhinjam, and Pothencode must follow a structured legal process before drilling:
The groundwater in Thiruvananthapuram is hosted within the fractures of crystalline rocks like khondalite and garnetiferous gneiss. The quality is generally good, but localized mineral variations affect the "taste" and usability:
The geography of Thiruvananthapuram varies from coastal sands to hard-rock highlands, necessitating different drilling techniques. In Varkala and coastal Kazhakkoottam, drilling involves traversing sand and clay, whereas the interior relies on high-pressure DTH (Down-The-Hole) rigs.
Key technical and financial considerations include:
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.