Tuesday, December 17, 2013

DoE Standards for Drinking Water at Bangladesh



Sl no.
Parameter
Unit
 Standard
  1.  
Aluminum
mg/l
0.05 to 0.2
  1.  
Ammonia
mg/l
0.5
  1.  
Arsenic
mg/l
0.05
  1.  
Balium
mg/l
0.01
  1.  
Benzene
mg/l
0.01
  1.  
BOD5 200C
mg/l
0.2
  1.  
Boron
mg/l
1.0
  1.  
Cadmium
mg/l
0.005
  1.  
Calcium
mg/l
75
  1.  
Chloride
mg/l
100 - 600
  1.  
Chlorine(residual)
mg/l
0.2
  1.  
Chloroform
mg/l
0.09
  1.  
Chromium (vi)
mg/l
0.05
  1.  
Chromium (total)
mg/l
0.05
  1.  
COD
mg/l
4
  1.  
Coliform (fecal)
n/100 ml
0
  1.  
Coliform (total)
n/100 ml
0
  1.  
Color
Hazen unit
15
  1.  
Copper
mg/l
1.0
  1.  
Corrosivity

noncorrosive
  1.  
Cyanide
mg/l
0.1
  1.  
Detergents
mg/l
0.2
  1.  
Dissolve Oxygen (DO)
mg/l
6.0
  1.  
Fluoride
mg/l
1.0
  1.  
Foaming Agents
mg/l
0.5
  1.  
Hardness (CaCO3)
mg/l
200 - 500
  1.  
Iron
mg/l
0.3 – 1.0
  1.  
Kjeldhl Nitrogen (total)
mg/l
1.0
  1.  
Lead
mg/l
0.05
  1.  
Magnesium
mg/l
30 - 35
  1.  
Manganese
mg/l
0.1
  1.  
Mercury
mg/l
0.001
  1.  
Nickel
mg/l
0.1
  1.  
Nitrate
mg/l
10
  1.  
Nitrite
mg/l
< 1.0
  1.  
Odor
-
odorless
  1.  
pH
-
6.5 - 8.5
  1.  
Phenolic Compounds
mg/l
0.002
  1.  
Phosphate
mg/l
6
  1.  
Phosphorus
mg/l
0
  1.  
Potassium
mg/l
12
  1.  
Radioactive materials (gross alpha activity)
Bq/l
0.01
  1.  
Selenium
mg/l
0.01
  1.  
Silver
mg/l
0.02
  1.  
Sodium
mg/l
200
  1.  
Sulfide
mg/l
0
  1.  
Sulfate
mg/l
400
  1.  
Total Dissolved Solids
mg/l
1000
  1.  
Temperature
0C
20 - 30
  1.  
Tin
mg/l
2
  1.  
Turbidity
JTU
10
  1.  
Zinc
mg/l
5

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