Central Ground Water Authority (CGWA) has fixed norms for withdrawal of ground water by industries using ground water as raw material including packaged water companies. Norms fixed by CGWA for extraction of ground water by such industries are as under:
| Category of area as per ground
water resource assessment (2009)
| Ground water withdrawal limit |
| Safe | Withdrawal limited to 200% of ground water recharge |
| Semi-critical | Withdrawal limited to 100% of ground water recharge |
| Critical | Withdrawal limited to 50% of ground water recharge |
| Over-exploited and Notified Areas | Permission is not granted. |
Central Ground Water Authority has directed all State Pollution Control Boards to setup monitoring mechanism to verify actual requirement and withdrawal of ground water including implementation of artificial recharge measures. CGWA has also advised Bureau of Indian Standards to advise all concerned industries using ground water as their raw material to obtain “No Objection Certificate” for ground water withdrawal from CGWA, which is mandatory.
Central Ground Water Authority (CGWA) accords ‘No Objection Certificate’ to the firms for withdrawal of ground water, wherein industries are required to report about the source and number of ground water abstraction structures while applying for ‘No Objection Certificate’. Submission of compliance report of conditions imposed in ‘No Objection Certificate’ is mandatory.
There are in total 4 types of wastewater treatment plants available in the market that are taken into use by the people very often those types are the effluent treatment plant, sewage treatment plant and also the other two types are the activated sludge plants and the combined common effluent treatment plant, for knowing more about it the user should get in touch with the wastewater treatment professionals through the website.
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