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Q ST QUA TAT ALIT US O TY IN OF W N IN WA NDIA ATER A- 2 R ...

Q ST QUA TAT ALIT US O TY IN OF W N IN WA NDIA ATER A- 2 R ...

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CHAPTER-II<strong>WA</strong>TER <strong>QUA</strong>LI<strong>TY</strong> MONITOR<strong>IN</strong>G <strong>IN</strong> <strong>IN</strong>DIA2.1 National Water Quality Monitoring ProgrammeThe Central Pollution Control Board (CPCB) has established a network of monitoring stations onaquatic resources across the country. The monitoring of water quality initiated during 1977-78 underGlobal Environmental Monitoring System (GEMS) and gradually increased the network to cover allthe aquatic resources. The year wise growth of monitoring network is depicted in Graph 2.1.Graph 2. 1: Year Wise Growth of Monitoring NetworkNO <strong>OF</strong> MONITOR<strong>IN</strong>G <strong>ST</strong>ATIONS25002000150010005000YEAR WISE GROWTH <strong>OF</strong> MONITOR<strong>IN</strong>G NETWORK18294367737489120136168200310400450480480480480480480507507507784784784784870101910321245142977-7878-7979-8080-8181-8282-8383-8484-8585-8686-8787-8888-8989-9090-9191-9292-9393-9494-9595-9696-9797-9898-9999-0000-0101-0202-0303-0404-0505-0606-0707-0808-0909-1010-1111-12YEAR170020002500Objectives of Water Quality MonitoringThe preamble of Water (prevention and control of pollution) Act, 1974 stated that pollutioncontrol board both at States and Central level to restore and maintain the wholesomeness ofwater bodies in India.Water quality monitoring is therefore an imperative prerequisite inorder to assess the extent of maintainance and restoration of water bodies.The water qualitymonitoring is performed with following main objectives in mind.‣ Rational planning of pollution control strategies and their prioritisation‣ To assess nature and extent of pollution control needed in different water bodies ortheir part‣ To evaluate effectiveness of pollution control measures already in existence‣ To evaluate water quality trend over a period of time‣ To assess assimilative capacity of a water body thereby reducing cost on pollutioncontrol‣ To understand the environmental fate of different pollutantsTo assess the fitness of water for different uses11

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