West Bengal Pollution Control Board
Water Quality Information System


Polluted River Stretches of West Bengal

SL No.RiverPriorityPolluted StretchBOD (mg/L) when identified as polluted Target water quality (Class) See Table-1 belowBOD (mg/L) at presentpH at present Dissolved Oxygen (mg/L) at presentTotal Coliform (MPN/100ml) at presentFitness comment(s)
1VINDYADHARIIHAROA BRIDGE TO MALANCHA BURNING GHAT 26.7 - 45.0Class "D"
Propagation of Wild life and Fisheries
7.5 7.16 1.5 33000.0 Not Fit for Bathing
2MAHANANDAIISILIGURI TO BINAGURI 6.5 - 25Class "B"
Outdoor Bathing (Organised)
21.0 6.05 4.5 140000.0 Not Fit for Bathing
3CHURNIIIISANTIPUR TOWN TO MAJHADIA10.3 - 11.3Class "B"
Outdoor Bathing (Organised)
3.5 8.02 3.2 54000.0 Not Fit for Bathing
4DWARKAIIITARAPITH TO SADHAK BAMDEB GHAT5.6 - 17.0Class "B"
Outdoor Bathing (Organised)
4.45 7.95 6.8 92000.0 Not Fit for Bathing
5GANGAIIITRIBENI TO DIAMOND HARBOUR5.0 - 12.2Class "B"
Outdoor Bathing (Organised)
3.2 7.73 6.2 79000.0 Not Fit for Bathing
6DAMODARIVDURGACHAKM TO DISHERGARH4.4 - 8.2Class "B"
Outdoor Bathing (Organised)
3.35 8.19 7.2 4700.0 Not Fit for Bathing
7JALANGIIVLAAL DIGHI TO KRISHNA NAGAR8.3Class "B"
Outdoor Bathing (Organised)
4.9 8.14 5.1 70000.0 Not Fit for Bathing
8KANSIIVMIDNAPORE TO RAMNAGAR9.9Class "B"
Outdoor Bathing (Organised)
1.7 8.25 8.6 7900.0 Not Fit for Bathing
9MATHA BHANGAIVMADHUPUR TO GOBINDAPUR8.5Class "B"
Outdoor Bathing (Organised)
15.25 7.99 0.4 540000.0 Not Fit for Bathing
10BARAKARVKULTI TO ASANSOL5.7Class "B"
Outdoor Bathing (Organised)
2.55 8.35 8.1 4800.0 Not Fit for Bathing
11DWARAKESHWARVBANKURA TO KUSHTIA1 - 5.6Class "B"
Outdoor Bathing (Organised)
3.15 8.27 8.0 3300.0 Not Fit for Bathing
12KALJANIVBITALA TO ALIPURDWAR6.0Class "B"
Outdoor Bathing (Organised)
2.1 6.74 6.9 11000.0 Not Fit for Bathing
13KAROLAVJALPAIGURI TO THAKURER KAMAT3.9Class "B"
Outdoor Bathing (Organised)
1.9 6.98 7.1 13000.0 Not Fit for Bathing
14MAYURAKSHIVSURI TO DURGAPUR5.2Class "B"
Outdoor Bathing (Organised)
1.65 8.09 7.9 2700.0 Not Fit for Bathing
15RUPNARAYANVKOLAGHAT TO BENAPUR3.1 - 5.8Class "B"
Outdoor Bathing (Organised)
1.6 7.89 6.4 17000.0 Not Fit for Bathing
16SILABATIVGHATAL TO NISCHINDIPUR3.8Class "B"
Outdoor Bathing (Organised)
1.95 7.71 5.7 11000.0 Not Fit for Bathing
17TEESTAVSILIGURI TO PAHARPUR3.3Class "B"
Outdoor Bathing (Organised)
1.2 7.3 7.8 9000.0 Not Fit for Bathing





Table 1. 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 500 or less
pH between 6.5 and 8.5
Dissolved Oxygen 5mg/l or more
Biochemical Oxygen Demand 5 days 20°C 3mg/l or less
 
Drinking water source with conventional treatment followed by disinfection ( C )
 
Total Coliforms Organism MPN/100ml 5000 or less
pH between 6 and 9
Dissolved Oxygen 4mg/l or more
Biochemical Oxygen Demand 5 days 20°C 3mg/l or less
 
Fish Culture and Wild life propagation ( D )
 
pH between 6.5 and 8.5
Dissolved Oxygen 4mg/l or more
Free Ammonia (as N) 1.2mg/l or less
 
Irrigation, Industrial Cooling or Controlled Waste disposal ( E )
 
pH between 6.0 and 8.5
Electrical Conductivity at 25°C micro mhos/cm Max. 2250
Sodium absorption Ratio Max. 27
Boron Max. 2mg/l
 
Below E
 
Not meeting A,B,C,D & E Criteria
 
Source: http://cpcb.nic.in/water-quality-criteria/