Tag: NOC from CGWA
Guidelines for construction of piezometers and monitoring of groundwater levels and quality
Piezometer is a borewell/tubewell used only for measuring the water level by lowering a tape/sounder or automatic/digital water level measuring equipment. It also takes a water sample for water quality testing whenever needed. General guidelines for the installation of piezometers are as follows: The piezometer is to be installed/constructed at the minimum distance of 50 [...] Read more
Annual water audits by the industries
Water audit is a systematic process of objectively obtaining a water balance by measuring water flow from the site of water withdrawal or treatment, through the distribution system, and into areas where it is used and discharged. Conducting a water audit involves calculating water balance and use and identifying ways to save water. (Annual water [...] Read more
Is cgwa NOC mandatory?
NOC of Groundwater withdrawal from CGWA or State Groundwater Authority is mandatory for all Industries and Infrastructure projects. CGWA has made a panel of Accredited Consultants who understand the matter technically, administratively, and the applicable laws. Everybody who has to take permission to draw Groundwater is advised to avail services of the Accredited Consultant. The [...] Read more
Guidelines for abstraction of saline ground water
Detailed Guidelines for Abstraction of Saline Ground Water Water having above EC above 5000 µ siemens/cm at 250C is Saline Water. Any user desirous of utilizing saline groundwater is permitted to extract saline ground water and will be exempted from payment of ground water abstraction / restoration charges. However, all such users need to have [...] Read more
Guidelines for Bulk water suppliers
Guidelines for Ground Water abstraction for bulk water supply As per the new guidelines, all those users abstracting ground water and using it for supply as bulk water supplies through private tankers will now mandatorily seek No Objection Certificate for ground water abstraction. Documents to be submitted with the application i. Proof of ownership of [...] Read more
Why do we get sufficient groundwater in one place and not much in another?
The occurrence and distribution of groundwater are controlled primarily by the geology of the area and the quantum of recharge received by the existing aquifer formations. Thus the alluvial tracts of river valleys and the coastal plains containing alternative deposits of sand and clay of varying thickness are rich in groundwater. Regions underlain by hard [...] Read more
What are the factors that control groundwater flow through an aquifer?
Water first enters an aquifer through gravity-induced downward movement (percolation), but it also flows in a lateral direction within an aquifer. This flow can occur due to the dip (slope) of the aquifer or artificial conditions induced within the aquifer, such as pumping or recharging. Natural groundwater flow through an aquifer is relatively slow and [...] Read more
Do wells showing shallower water levels yield more water?
Regionally, the top surface of the saturated zone is visualized as flat as the top of a table and hence this surface is referred to as the water table. The regional water table is not as flat as we presume. The water table tends to follow the shape of the topography. Therefore, the water table [...] Read more
If the terms water table and water level mean more or less the same then why do we have two different terms?
Sometimes they mean the same, but not always. While the uppermost level (top) of the saturated zone in an unconfined aquifer is the water table, the water level seen in a well is commonly referred to as water level. When a well is dug in an unconfined aquifer, water from the formation seeps into the [...] Read more
