Standards for Pollution Parameters

Table : BIS (IS: 10500) and WHO Drinking Water Standards Element/ substance Symbol/ formula Normally found in fresh water/surface water/ground water Health based guideline by the WHO BIS (IS: 10500) Standard Requirement (Desirable Limit) Permissible Limit in the absence of Alternate source Aluminum Al 0,2 mg/l 0.03 0.2 Alkalinity mg/L, Max 200 600 Ammonia NH4 < 0,2 mg/l (up to 0,3 mg/l in anaerobic waters) No guideline Anionic detergents (as MBAS) mg/L, Max Given separately 1.0 Antimony Sb < 4 μg/l 0.005 mg/l Arsenic As 0,01 mg/l 0.01 No relaxation Asbestos Barium Ba 0,3 mg/l Beryllium Be < 1 μg/l Boron B < 1 mg/l 1 5 Cadmium Cd 0,003 mg/l Calcium (as Ca) mg/L, Max 75 Chloride Cl 250 mg/l 250 1000 Residual Free Chlorine -- Chromium Cr+3, Cr+6 < 2 μg/l 0,05 mg/l 0.05 ( Cr6+)

Colour (in Hazen units) Max Not mentioned 5 25 Copper Cu 2 mg/l 0.05 1.5 Cyanide CN- 0,07 mg/l No relaxation Dissolved oxygen O2 No guideline Dissolved solids (mg/L) 500 2000 E Coli Absent Fluoride F < 1,5 mg/l (up to 10) 1,5 mg/l 1.0 Hardness mg/l CaCO3 Hydrogen sulfide H2S Iron Fe 0,5 - 50 mg/l 0.3 Lead Pb 0,01 mg/l Magnesium (as mg) mg/L, Max 30 100 Manganese Mn 0,5 mg/l 0.10 Mercury Hg < 0,5 μg/l 0,001 mg/l 0.001 Mineral Oil mg/L, Max 0.01 0.03 Molybdenum Mb < 0,01 mg/l Nickel Ni < 0,02 mg/l 0,02 mg/l Nitrate and nitrite NO3, NO2 50 mg/l total nitrogen 45 No Relaxation Odour Unobjectionable -- pH 6.5 to 8.5 Pesticides Given separately Phenolic Compounds (as C6H5OH) mg/L, Max 0.002 Radioactive Materials

i. Alpha emitters Bq/L, Max 0.1 ii. Beta emitters pci/L, Max 1.0 Selenium Se < < 0,01 mg/l 0,01 mg/l 0.01 No relaxation Silver Ag 5 – 50 μg/l No guideline Sodium Na < 20 mg/l 200 mg/l Sulfate SO4 500 mg/l 200 400 Inorganic tin Sn Taste Agreeable -- Total Hardness (as CaCO3) mg/L, Max 300 600 Turbidity (NTU ) Max Not mentioned 5 10 TDS 500 Uranium U 1,4 mg/l Zinc Zn 3 mg/l 15

Wastewater Effluent standards Sl. No Parameters Concentration not to exceed ( mg/l, except pH & temperature) 1 pH 6.0 to 9.0 2 Temperature Shall not exceed 5 0 c above the ambient temperature of the receiving body 3 Oil & Grease 10 4 Suspended Solids 100 5 Cyanides (as CN) 0.2 6 Ammonical Nitrogen (as N) 50 7 Total Residual Chlorine (as Cl) 1.0 8 Cadmium (as Cd) 2.0 9 Nickel (as Ni) 3.0 Zinc (as Zn) 5.0 11 Hexavalent Chromium (as Cr) 0.1 12 Total Chromium (as Cr) 13 Copper (as Cu) 14 Lead (as Pb) 15 Iron (as Fe) 16 Total Metal 10.0

Designated-Best-Use Class of water Criteria Drinking Water Source without conventional treatment but after disinfection A Total Coliforms Organism MPN/100ml shall be 50 or less pH between 6.5 and 8.5 Dissolved Oxygen 6mg/l or more Biochemical Oxygen Demand 5 days 20°C 2mg/l or less Outdoor bathing (Organised) B Total Coliforms Organism MPN/100ml shall be 500 or less Dissolved Oxygen 5mg/l or more Biochemical Oxygen Demand 5 days 20°C 3mg/l or less Drinking water source after conventional treatment and disinfection C Total Coliforms Organism MPN/100ml shall be 5000 or less pH between 6 to 9 Dissolved Oxygen 4mg/l or more Propagation of Wild life and Fisheries D pH between 6.5 to 8.5 Free Ammonia (as N) 1.2 mg/l or less Irrigation, Industrial Cooling, Controlled Waste disposal E pH betwwn 6.0 to 8.5 Electrical Conductivity at 25°C micro mhos/cm Max.2250 Sodium absorption Ratio Max. 26 Boron Max. 2mg/l

The Rule contains four Schedules name Schedule-I Relates to implementation Schedule Schedule-II Specifications relating to collection, segregation, storage, transportation, processing and disposal of municipal solid waste (MSW). Schedule-III Specifications for landfilling indicating; site selection, facilities at the site, specifications for landfilling, Pollution prevention, water quality monitoring, ambient air quality monitoring, Plantation at landfill site, closure of landfill site and post care. * Schedule-IV Indicate waste processing options including; standards for composting, treated leachates and incinerations.