annexures - Indian Institute of Technology Roorkee

Chapter - 2 Collection of DataDesignated Best UseDrinking water source afterconventionaltreatment anddisinfectionPropagation of wild lifeand fisheriesIrrigation, industrialcooling, controlledwaste disposalClass of CriteriaWaterC 1. Total coliforms organism MPN/100 ml shall be 5000 or less2. pH between 6 to 93. Dissolved oxygen 4mg/l or more4. Biochemicaloxygendemand5days20oC3mg/lorlessD 1. pH between 6.5 to 8.52. Dissolved oxygen 4mg/l or more3. Free ammonia (as N) 1.2 mg/l or lessE 1. pH between 6.0 to 8.52. Electrical conductivity at 25oC micro mhos/cm Max.22503. Sodium absorption Ratio Max. 264. Boron Max. 2mg/l*The NRCD norms are:permissible)Fecal coliform< 500 MPN/100ml (desirable), 2500MPN/100ml (max2.3.10 Biological ParametersAs far as possible information on biological indicators may be provided.2.4 TOWN RELATED DATA2.4.1 Maps Related to CityDigital maps, as may be available, showing the following features on a scale large enough tounderstand the physical features.i. Important land marks of the cityii. Rivers and their flood plainsiii. Other water bodiesiv. River banks where solid waste is dumpedv. Drains, and their respective outfalls and catchments (drainage areas)vi. Streets and surface / underground utilitiesvii. Municipal wardsviii. Open spacesix. Residential areasx. Industrial estatesxi. Industrial units outside industrial estatesxii. Points of discharge of industrial effluentsxiii. Slumsxiv. Water supply system – Including intake points and ground water.xv. Places used for open defecationxvi. Community toiletsxvii. Sewers in each drainage area with diameters and invert levels with junctions of sewers, ifexisting.xviii. STPs and sewage pumping stations, if existing.xix. Crematoria16