Drilling contractor in Gatton, QLD. Water bore drilling. Alluvium irrigation bores. Hard rock drilling. Exploration drilling. Geological monitoring. At Kowaltzke Drilling Services in Gatton, QLD, we specialise in non-potable water bores for domestic, stock, and irrigation use, as well as expert drilling through sand, silt, gravel, and hard rock. Our team is trusted for geological and exploration drilling, including coal deposit identification and ground monitoring. With a solid track record across mining, agriculture, and local government sectors, we combine reliability with deep technical know-how. Servicing the Toowoomba Region and surrounds. Reach out today and learn more about our service!