WATER QUALITY STANDARDIndian StandardDrinking Water - SpecificationIS 10500 : 1991
Technical Terms• BIS (Bureau of Indian Standards)• Desirable limits• Permissible limit• PPM• NTU• Hazen Units
Colour, Hazen UnitsIS 10500-1991 Desirable : 5 Hz. , Permissible : 25 Hz.Risks or effects Visible tint, acceptance decreas...
OdourIS 10500-1991 UnobjectionableRisks or effects Rotten egg, Musty, ChemicalSourcesChlorine, Hydrogen sulfide, Organic m...
pHIS 10500-1991 Desirable :6.5 – 8.5, Permissible :No relaxationRisks or effectsLow pH - corrosion, metallic tasteHigh pH ...
Total Dissolved Solids (TDS)IS 10500-1991 Desirable : 500 mg/l , Permissible : 2000 mg/lRisks or effectsHardness, scaly de...
HardnessIS 10500-1991 Desirable :300 mg/l , Permissible : 600 mg/lRisks or effects Scale in utensils and hot water system,...
AlkalinityIS 10500-1991 Desirable : 200 mg/l , Permissible : 600 mg/litRisks or effectsLow Alkalinity (i.e. high acidity) ...
Iron, FeIS 10500-1991 Desirable : 0.3 mg/l , Permissible : 1.0 mg/lRisks or effectsBrackish color, rusty sediment, bitter ...
Manganese, MnIS 10500-1991 Desirable : 0.1 mg/l , Permissible : 0.3 mg/lRisks or effectsBrownish color, black stains on la...
Sulphate, SO4IS 10500-1991 Desirable : 200 mg/l, Permissible : 400 mg/lRisks or effectsBitter, medicinal taste, scaly depo...
Nitrate, NO3-IS 10500-1991 Desirable : 45 mg/l, Permissible : 100 mg/litRisks or effects Methemoglobinemia or blue baby di...
Chloride, ClIS 10500-1991 Desirable : 250 mg/l , Permissible : 1000 mg/lRisks or effectsHigh blood pressure, salty taste, ...
Fluoride, FIS 10500-1991 Desirable : 1.0 mg/l, Permissible : 1.5 mg/lRisks or effects Brownish discoloration of teeth, bon...
Arsenic, AsIS:10500-1991 Desirable: 0.05 mg/l Permissible: No relaxationRisks or effectsWeight loss; Depression; Lack of e...
Chromium, CrIS 10500-1991 Desirable : 0.05 mg/l, Permissible : No relaxationRisks or effectsSkin irritation, skin and nasa...
Copper, CuIS 10500-1991 Desirable : 0.05 mg/l, Permissible : 1.5 mg/lRisks or effectsAnemia, digestive disturbances, liver...
CyanideIS 10500-1991 Desirable : 0.05 mg/l, Permissible : No relaxationRisks or effects Thyroid, nervous system damageSour...
Lead, PbIS 10500-1991 Desirable : 0.05 mg/l, Permissible : No relaxationRisks or effectsReduces mental capacity (mental re...
Mercury, HgIS 10500-1991 Desirable : 0.001 mg/l, Permissible : No relaxationRisks or effectsLoss of vision and hearing, in...
Zinc, ZnIS 10500-1991 Desirable :5 mg/l, Permissible : 15 mg/lRisks or effects Metallic tasteSourcesLeaching of galvanized...
Total Coliform BacteriaIS 10500-199195% of samples should not contain coliform in 100 ml10 coliform / 100mlRisks or effect...
E.coliform BacteriaIS 10500-1991 Nil / 100mlRisks or effects Gastrointestinal illnessSourcesLivestock facilities, septic s...
HEALTH EFFECTS OF CHEMICAL PARAMETERSParameter BIS Guideline value(maximumallowable)General & Health effectTotal dissolved...
ParameterBIS Guideline value(maximum allowable)General & Health effectAluminum 0.2 Neurological disorders; Alzheimers dise...
ParameterBIS Guidelinevalue(maximumallowable)General & Health effectPhosphate - Algal growthArsenic 0.05 Toxic; bio-accumu...
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Indiandrinking

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Indiandrinking

  1. 1. WATER QUALITY STANDARDIndian StandardDrinking Water - SpecificationIS 10500 : 1991
  2. 2. Technical Terms• BIS (Bureau of Indian Standards)• Desirable limits• Permissible limit• PPM• NTU• Hazen Units
  3. 3. Colour, Hazen UnitsIS 10500-1991 Desirable : 5 Hz. , Permissible : 25 Hz.Risks or effects Visible tint, acceptance decreasesSourcesTannins, Iron, Copper, ManganeseNatural depositsTreatment Filtration, Distillation, Reverse osmosis, Ozonisation
  4. 4. OdourIS 10500-1991 UnobjectionableRisks or effects Rotten egg, Musty, ChemicalSourcesChlorine, Hydrogen sulfide, Organic matter, Septiccontamination, Methane gasTreatment Activated carbon, Air stripping, oxidation, Filtration
  5. 5. pHIS 10500-1991 Desirable :6.5 – 8.5, Permissible :No relaxationRisks or effectsLow pH - corrosion, metallic tasteHigh pH – bitter/soda taste, depositsSources NaturalTreatmentIncrease pH by soda ashDecrease pH with white vinegar / citric acid
  6. 6. Total Dissolved Solids (TDS)IS 10500-1991 Desirable : 500 mg/l , Permissible : 2000 mg/lRisks or effectsHardness, scaly deposits, sediment, cloudy colored water,staining, salty or bitter taste, corrosion of pipes and fittingsSourcesLivestock waste, septic systemLandfills, nature of soilHazardous waste landfillsDissolved minerals, iron and manganeseTreatment Reverse Osmosis, Distillation, deionization by ion exchange
  7. 7. HardnessIS 10500-1991 Desirable :300 mg/l , Permissible : 600 mg/lRisks or effects Scale in utensils and hot water system, soap scumsSourcesDissolved calcium and magnesium from soil and aquiferminerals containing limestone or dolomiteTreatment Water Softener Ion Exchanger , Reverse Osmosis
  8. 8. AlkalinityIS 10500-1991 Desirable : 200 mg/l , Permissible : 600 mg/litRisks or effectsLow Alkalinity (i.e. high acidity) causes deterioration ofplumbing and increases the chance for many heavy metals inwater are present in pipes, solder or plumbing fixtures.SourcesPipes, landfillsHazardous waste landfillsTreatment Neutralizing agent
  9. 9. Iron, FeIS 10500-1991 Desirable : 0.3 mg/l , Permissible : 1.0 mg/lRisks or effectsBrackish color, rusty sediment, bitter or metallic taste, brown-green stains, iron bacteria, discolored beveragesSourcesLeaching of cast iron pipes in water distribution systemsNaturalTreatment Oxidizing Filter , Green-sand Mechanical Filter
  10. 10. Manganese, MnIS 10500-1991 Desirable : 0.1 mg/l , Permissible : 0.3 mg/lRisks or effectsBrownish color, black stains on laundry and fixtures at .2mg/l, bitter taste, altered taste of water-mixed beveragesSourcesLandfillsDeposits in rock and soilTreatmentIon Exchange , Chlorination, Oxidizing Filter , Green-sandMechanical Filter
  11. 11. Sulphate, SO4IS 10500-1991 Desirable : 200 mg/l, Permissible : 400 mg/lRisks or effectsBitter, medicinal taste, scaly deposits, corrosion, laxativeeffects, "rotten-egg" odor from hydrogen sulfide gasformationSourcesAnimal sewage, septic system, sewageBy-product of coal mining, industrial wasteNatural deposits or saltSulphate Treatment Ion Exchange , Distillation , Reverse Osmosis
  12. 12. Nitrate, NO3-IS 10500-1991 Desirable : 45 mg/l, Permissible : 100 mg/litRisks or effects Methemoglobinemia or blue baby disease in infantsSourcesLivestock facilities, septic systems, manure lagoons,fertilizersHousehold waste water, fertilizersFertilizersNatural DepositsTreatment Ion Exchange, Distillation, Reverse Osmosis
  13. 13. Chloride, ClIS 10500-1991 Desirable : 250 mg/l , Permissible : 1000 mg/lRisks or effectsHigh blood pressure, salty taste, corroded pipes, fixtures andappliances, blackening and pitting of stainless steelSourcesFertilizersIndustrial wastesMinerals, seawaterTreatment Reverse Osmosis , Distillation, Activated Carbon
  14. 14. Fluoride, FIS 10500-1991 Desirable : 1.0 mg/l, Permissible : 1.5 mg/lRisks or effects Brownish discoloration of teeth, bone damageSourcesIndustrial wasteGeologicalTreatmentActivated Alumina, Distillation, Reverse Osmosis, IonExchange
  15. 15. Arsenic, AsIS:10500-1991 Desirable: 0.05 mg/l Permissible: No relaxationRisks or effectsWeight loss; Depression; Lack of energy; Skin and nervoussystem toxicitySourcesPreviously used in pesticides (orchards)Improper waste disposal or product storage of glass orelectronics, MiningRocksTreatmentActivated Alumina Filtration, Reverse Osmosis, Distillation,Chemical Precipitation, Ion exchange, lime softening
  16. 16. Chromium, CrIS 10500-1991 Desirable : 0.05 mg/l, Permissible : No relaxationRisks or effectsSkin irritation, skin and nasal ulcers, lung tumors,gastrointestinal effects, damage to the nervous system andcirculatory system, accumulates in the spleen, bones, kidneyand liverSourcesSeptic systemsIndustrial discharge, mining sitesGeologicalTreatment Ion Exchange, Reverse Osmosis, Distillation
  17. 17. Copper, CuIS 10500-1991 Desirable : 0.05 mg/l, Permissible : 1.5 mg/lRisks or effectsAnemia, digestive disturbances, liver and kidney damage,gastrointestinal irritations, bitter or metallic taste; Blue-greenstains on plumbing fixturesSourcesLeaching from copper water pipes and tubing, algaetreatmentIndustrial and mining waste, wood preservativesNatural depositsTreatment Ion Exchange, Reverse Osmosis, Distillation
  18. 18. CyanideIS 10500-1991 Desirable : 0.05 mg/l, Permissible : No relaxationRisks or effects Thyroid, nervous system damageSourcesFertilizerElectronics, steel, plastics miningTreatment Ion Exchange, Reverse Osmosis, Chlorination
  19. 19. Lead, PbIS 10500-1991 Desirable : 0.05 mg/l, Permissible : No relaxationRisks or effectsReduces mental capacity (mental retardation), interference withkidney and neurological functions, hearing loss, blooddisorders, hypertension, death at high levelsSourcesPaint, diesel fuel combustionPipes and solder, discarded batteries, paint, leaded gasolineNatural depositsTreatment Ion Exchange, Activated Carbon , Reverse Osmosis, Distillation
  20. 20. Mercury, HgIS 10500-1991 Desirable : 0.001 mg/l, Permissible : No relaxationRisks or effectsLoss of vision and hearing, intellectual deterioration, kidneyand nervous system disorders, death at high levelsSourcesFungicidesBatteries, fungicidesMining, electrical equipment, plant, paper and vinyl chlorideNatural depositsTreatment Reverse Osmosis, Distillation
  21. 21. Zinc, ZnIS 10500-1991 Desirable :5 mg/l, Permissible : 15 mg/lRisks or effects Metallic tasteSourcesLeaching of galvanized pipes and fittings, paints, dyesNatural depositsTreatment Ion Exchange Water Softeners, Reverse Osmosis, Distillation
  22. 22. Total Coliform BacteriaIS 10500-199195% of samples should not contain coliform in 100 ml10 coliform / 100mlRisks or effects Gastrointestinal illnessSourcesLivestock facilities, septic systems, manure lagoonsHousehold waste waterNaturally occurringTreatment Chlorination , Ultraviolet, Distillation, Iodination
  23. 23. E.coliform BacteriaIS 10500-1991 Nil / 100mlRisks or effects Gastrointestinal illnessSourcesLivestock facilities, septic systems, manure lagoonsHousehold waste waterNaturally occurringTreatment Chlorination , Ultraviolet, Distillation, Iodination
  24. 24. HEALTH EFFECTS OF CHEMICAL PARAMETERSParameter BIS Guideline value(maximumallowable)General & Health effectTotal dissolvedsolids2000 mg/L Undesirable taste; gastro intestinal irritations;corrosion or incrustationPH 6.5-8.5 Affects mucous membrane; bitter taste; corrosion;affects aquatic lifeAlkalinity 600 mg/L Boiled rice turns yellowishHardness 600 mg/L Poor lathering with soap; deterioration of the quality ofclothes; scale forming; skin irritation; boiled meatand food become poor in qualityCalcium 200 Poor lathering and deterioration of the quality ofclothes; incrustation in pipes; scale formationMagnesium 100 Poor lathering and deterioration of clothes; with sulfatelaxativeIron 1.0 Poor or sometimes bitter taste, color and turbidity;staining of clothes materials; iron bacteria causingslimeManganese 0.3 Poor taste, color and turbidity; staining; black slime
  25. 25. ParameterBIS Guideline value(maximum allowable)General & Health effectAluminum 0.2 Neurological disorders; Alzheimers diseaseCopper 1.5 Liver damage; mucosal irritation, renal damage anddepression; restricts growth of aquatic plantsZinc 15 Astringent taste; opalescence in water; gastro intestinalirritation; vomiting, dehydration, abdominal pain,nausea and dizzinessAmmonia - Indicates pollution; growth of algaeNitrite - Forms nitrosoamines which are carcinogenicNitrate 100 Blue baby disease (methemoglobineamia); algal growthSulfate 400 Taste affected; laxative effect; gastro intestinalirritationChloride 1000 Taste affected; corrosiveFluoride 1.5 Dental and skeletal fluorosis; non-skeletalHEALTH EFFECTS OF CHEMICAL PARAMETERS
  26. 26. ParameterBIS Guidelinevalue(maximumallowable)General & Health effectPhosphate - Algal growthArsenic 0.05 Toxic; bio-accumulation; central nervous system affected;carcinogenicMercury 0.001 Highly toxic; causes minamata disease-neurologicalimpairment and renal disturbances; mutagenicCadmium 0.01 Highly toxic; causes itai-itai disease-painful rheumaticcondition; cardio vascular system affected; gastrointestinal upsets and hyper tensionLead 0.05 Causes plumbism-tiredness, lassitudes, abdominal discomfort,irritability, anaemia; bio-accumulation; impairedneurological and motor development, and damage tokidneysChromium 0.05 Carcinogenic; ulcerations, respiratory problems and skincomplaintsPesticide 0.001 Affects central nervous systemDetergent - Undesirable foamingHEALTH EFFECTS OF CHEMICAL PARAMETERS
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