Indian Standard for Drinking Water-Specification IS 10500 ...

1 water QUALITY STANDARDSWATER QUALITYI ndian Standard forDrinking water - SpecificationIS 10500 : 2012 Technical terms BIS (Bureau of Indian standards ) Desirable limits Permissible limit PPM NTU Hazen UnitsOrganoleptic and physical parametersColour, Hazen UnitsIS 10500 -2012 Acceptable: 5 Hz., Permissible: 15 HzRisks or effectsVisible tint, acceptance decreasesSourcesTannins, Iron, Copper, Manganese, Natural deposits, organic wasteTreatmentFiltration, Distillation, Reverse osmosis, OzonisationOdourIS 10500 : 2012 AgreeableRisks or EffectsRotten egg, musty, chemical smellSourcesChlorine, Hydrogen sulfide, Organic matter, Septic contamination, Methane gasTreatmentActivated carbon, Air stripping, oxidation, FiltrationpHIS 10500 -2012 Acceptable limit: , Permissible: No relaxationRisks or effects Low pH - corrosion, metallic taste High pH bitter/soda taste, depositsSourcesNaturalTreatmentIncrease pH by soda ash Decrease pH with white vinegar / citric acidTotal dissolved solids, mg/l, MaxIS 10500 : 2012 Acceptable limit: 500 mg/lPermissible.

2 2000 mg/lRisks or effects Hardness, scaly deposits, sediment, cloudy coloured water , staining, salty or bitter taste, corrosion of pipes and fittingsSourcesLivestock waste, septic system Landfills, nature of soil Hazardous waste landfills Dissolved minerals, iron and manganeseTreatmentReverse Osmosis, Distillation, deionization by ion exchangeTurbidity NTU MaxIS 10500 : 2012 Acceptable unit: 1 NTUP ermissible limit: 5 NTUR isks or effectsCloudiness or hazinessSourcesHigh sediment deposition due to pollution and industrial activities like construction, mining, quarrying, agriculture, due to presence of organic matter such as phytoplanktonTreatmentSettling or filtration processes using sand filtration, settling tanks, and undesirable in excessive amountsAluminium(as Al), mg/l, MaxIS 10500 : 2012 Acceptable limit: mg/lPermissible limit: mg/lRisks or effectsHigh risk associated with dialysis patientsSourcesRock and soil leachingTreatmentPortable Cation Exchange**Distillation, Reverse OsmosisAmmonia (as total ammonia -N), mg/l, MaxIS 10500 : 2012 Acceptable limit: mg/lPermissible limit: No relaxationRisks or effectsNone proposed for human, but toxic for aquatic lifeSourcesDisinfection with chloramines, wastes, fertilizers & natural processesTreatmentIon Exchange with zeolite Sodium aluminosilicate zeolitesDistillationBarium (as Ba), mg/l, MaxIS 10500 :2012 Acceptable limits: mg/lPermissible limits.

3 No relaxationRisks or effectsDifficulties in breathing, increased blood pressure, changes in heart rhythm, stomach irritation, brain swelling, muscle weakness, and damage to the liver, kidney, heart, and depositsDisposal of drilling wastesSmelting of copperMotor vehicle parts manufacturing TreatmentPoint-of-Entry (POE)Point-of-Use (POU)Cation ExchangeReverse OsmosisDistillation Iron (as Fe), mg/l, Max IS 10500 : 2012 Acceptable limit: mg/lPermissible limit: No relaxationRisks or effectsBrackish color, rusty sediment, bitter or metallic taste, brown-green stains, iron bacteria, discolored beveragesSourcesLeaching of cast iron pipes in water distribution systems NaturalTreatmentOxidizing Filter , Green-sand Mechanical FilterManganese (as Mn), mg/l, Max IS 10500 : 2012 Acceptable limit: mg/lPermissible limit: mg/lRisks or effectsBrownish color, black stains on laundry and fixtures at.

4 2 mg/l, bitter taste, altered taste of water -mixed beveragesSourcesLandfills Deposits in rock and soilTreatmentIon Exchange , Chlorination, Oxidizing Filter , Green-sand Mechanical Filter Sulphate (as SO4), mg/l, Max IS 10500 : 2012 Acceptable limit: 200 mg/lPermissible limit: 400 mg/lRisks or effectsBitter, medicinal taste, scaly deposits, corrosion, laxative effects, "rotten-egg" odor from hydrogen sulfide gas formationSourcesAnimal sewage, septic system, sewage By-product of coal mining, industrial waste Natural deposits or saltTreatmentIon Exchange , Distillation , Reverse OsmosisNitrate (as NO3), mg/l, Max IS 10500 : 2012 Acceptable limit: 45 mg/lPermissible limit: No relaxationRisks or effectsMethemoglobinemia or blue baby disease in infantsSourcesLivestock facilities, septic systems, manure lagoons, fertilizers Household waste water , fertilizers FertilizersNatural DepositsTreatmentIon Exchange, Distillation, Reverse OsmosisChloride (as Cl), mg/l, Max IS 10500 : 2012 Acceptable limit: 250 mg/lPermissible limit: 1000 mg/lRisks or effectsHigh blood pressure, salty taste, corroded pipes, fixtures and appliances, blackening and pitting of stainless steelSourcesFertilizers, Industrial wastes Minerals, seawaterTreatmentReverse Osmosis , Distillation, Activated CarbonFluoride (as F), mg/l, Max IS 10500 : 2012 Acceptable limit: mg/lPermissible limit.

5 Mg/lRisks or effectsBrownish discoloration of teeth, bone damage, skeletal damageSourcesIndustrial waste GeologicalTreatmentActivated Alumina, Distillation, Reverse Osmosis, Ion ExchangeTotal arsenic (as As), mg/l, Max IS 10500 : 2012 Acceptable limit: mg/lPermissible limit: 0. 05 mg/lRisks or effectsWeight loss; Depression; Lack of energy; Skin and nervous system toxicitySourcesPreviously used in pesticides (orchards)Improper waste disposal or product storage of glass or electronics, Mining RocksTreatmentActivated Alumina Filtration, Reverse Osmosis, Distillation, Chemical Precipitation, Ion exchange, lime softeningTotal chromium (as Cr), mg/l, Max IS 10500 : 2012 Acceptable limit: limit: No relaxationRisks or effectsSkin irritation, skin and nasal ulcers, lung tumors, gastrointestinal effects, damage to the nervous system and circulatory system, accumulates in the spleen, bones, kidney and liver SourcesSeptic systems Industrial discharge, mining sites GeologicalTreatmentIon Exchange, Reverse Osmosis, DistillationCopper (as Cu), mg/l, Max IS 10500 : 2012 Acceptable limit: limit: or effectsAnaemia, digestive disturbances, liver and kidney damage, gastrointestinal irritations, bitter or metallic taste.

6 Blue-green stains on plumbing fixturesSourcesLeaching from copper water pipes and tubing, algae treatment Industrial and mining waste, wood preservatives Natural deposits TreatmentIon Exchange, Reverse Osmosis, DistillationCyanide (as CN ), mg/l, Max IS 10500 : 2012 Acceptable limit: mg/lPermissible limit: No relaxationRisks or effectsThyroid, nervous system damageSourcesFertiliser, Electronics, steel, plastics mining TreatmentIon Exchange, Reverse Osmosis, ChlorinationLead (as Pb), mg/l, Max IS 10500 -2012 Acceptable limit: mg/lPermissible: No relaxationRisks or effects Reduces mental capacity (mental retardation), interference with kidney and neurological functions, hearing loss, blood disorders, hypertension, death at high levelsSourcesPaint, diesel fuel combustion Pipes and solder, discarded batteries, paint, leaded gasoline Natural depositsTreatmentIon Exchange, Activated Carbon , Reverse Osmosis, DistillationMercury (as Hg), mg/l, Max IS 10500 -2012 Acceptable limit: mg/lPermissible: No relaxationRisks or effects Loss of vision and hearing, intellectual deterioration, kidney and nervous system disorders, death at high levelsSourcesFungicides Batteries, fungicides Mining, electrical equipment, plant, paper and vinyl chloride Natural depositsTreatmentReverse Osmosis, Distillation Zinc (as Zn), mg/l, Max IS 10500 -2012 Acceptable limit: 5 mg/lPermissible.

7 15 mg/lRisks or effects Metallic tasteSourcesLeaching of galvanized pipes and fittings, paints, dyes Natural deposits TreatmentIon Exchange water Softeners, Reverse Osmosis, DistillationTotal coliform bacteriaIS 10500 -2012 Nil/100mlRisks or effects Gastrointestinal illnessSourcesLivestock facilities, septic systems, manure lagoons Household waste water Naturally occurringTreatmentChlorination , Ultraviolet, Distillation, Iodination E coliform bacteriaIS 10500 -2012 Nil/100mlRisks or effects Gastrointestinal illnessSourcesLivestock facilities, septic systems, manure lagoons Household waste water Naturally occurringTreatmentChlorination , Ultraviolet, Distillation, Iodination Parameter BIS Guideline value (maximum allowable) General and health effectTotal dissolved solids2000 mg/lUndesirable taste; gastro intestinal irritations; corrosion or Affects mucous membrane; bitter taste; corrosion; affects aquatic lifeAlkalinity600 Boiled rice turns yellowishHardness600 Poor lathering with soap; deterioration of the quality of clothes; scale forming; skin irritation; boiled meat and food become poor in qualityHealth effects of chemical parametersParameter BIS Guideline value (maximum allowable) General and health effectCalcium200 mg/lPoor lathering and deterioration of the quality of clothes; incrustation in pipes; scale formationMagnesium 100 mg/lPoor lathering and deterioration of clothes; with mg/lPoor or sometimes bitter taste, color and turbidity; staining of clothes materials; iron bacteria causing slimeManganese mg/lPoor lathering and deterioration of clothes; with sulfatelaxativeAluminium mg/lNeurological disorders; Alzheimer's mg/lLiver damage; mucosal irritation, renal damage and depression.

8 Restricts growth of aquatic plantsZinc15 mg/lAstringent taste; opalescence in water ; gastro intestinal irritation; vomiting, dehydration, abdominal pain, nausea and dizzinessParameter BIS Guideline value (maximum allowable)General and health effectAmmonia mg/lIndicates pollution; growth of algaeNitriteForms nitrosoamines which are carcinogenic NitrateBlue baby disease (methemoglobineamia); algal growthSulfateTaste affected; laxative effect; gastro intestinal irritationChlorideTaste affected; corrosiveFluorideDental and skeletal fluorosis; non-skeletal PhosphateAlgal growth ParameterBIS Guideline value (maximum allowable)General and health effectArsenic mg/lToxic; bio-accumulation; central nervous system affected; carcinogenicMercury mg/lHighly toxic; causes 'minamata' disease-neurological impairment and renal disturbances; mutagenicCadmium mg/lHighly toxic; causes 'itai-itai' disease-painful rheumatic condition; cardio vascular system affected; gastro intestinal upsets and hyper mg/lCauses plumbism-tiredness, lassitudes, abdominal discomfort, irritability, anaemia; bio-accumulation; impaired neurological and motor development, and damage to kidneysParameterBIS guideline value (Maximum allowable)General and health mg/lCarcinogenic; ulcerations, respiratory problems and skin complaintsPesticideAffects central nervous system DetergentUndesirable foaming