Q ST QUA TAT ALIT US O TY IN OF W N IN WA NDIA ATER A- 2 R ...

18.7 Water Quality of Medium and Minor Rivers in Manipur, Meghalaya,Mizoram and TripuraThe water quality monitoring of River Barak, Chakpi, Imphal, Irang, Iril, Khuga,Khujairok, Lokchao, Maha, Manipur, Nambul, Sekmai, Thoubal & Wangjing inManipur; Ganol, Kharkhla, Myntdu, Simsang & Umtrew in Meghalaya; Tlawing& Tuirial in Mizoram and Gumti & Haora in Tripura is carried out by therespective State Pollution Control Boards. pH is meeting the desired criteria at allthe locations except in River Nambul at Bishnupur (4.8) in Manipur and Kharkhlaat Jaintia Hills (2.5) in Meghalaya. The conductivity is meeting the desiredcriteria at all the locations. The DO meets the criteria at all the locations except inRiver Nambul at Hump Bridge (0.2 mg/l), Heirangoithong (0.3 mg/l),Naoremthong (3.5 mg/l) & Singda Dam (3.9 mg/l); River Imphal at Kangla Moat& River Wangjing at Wangjing Thoubal (2.9 mg/l); River Iril at Lilong (3.1 mg/l)and River Lokchao at Bishnupur (3.7 mg/l) in Manipur.BOD varies from 0.1 to 167.1 mg/l. The locations having high BOD are RiverNambul at Bishnupur (167.1 mg/l), Heirangoithong (30.5 mg/l), Hump Bridge(21.0 mg/l), Singda Dam (7.1 mg/l), Naoremthong (4.9 mg/l) & Samusang (4.3mg/l); River Imphal at Kangla Moat (6.9 mg/l); River Iril at Lilong (6.2 mg/l);River Barak at Senapati (4.9 mg/l); River Thoubal at Litan (4.5 mg/l) & Phadom(4.4 mg/l); River Maha at Chandel (4.4 mg/l); River Manipur at Sekmaijan (4.2mg/l); River Wangjing at Heirok (3.8 mg/l) & Wangjing Thoubal (3.2 mg/l) andRiver Thoubal at Yairipok (3.3 mg/l) in Manipur; River Umtrew at Byrnihat East(8.8 mg/l) & River Kharkhala at Jaintia Hills (7.5 mg/l) in Meghalaya and RiverHaora at Chandrapur (5.1 mg/l) & River Gumti at D/s South Tripura (4.2 mg/l) inTripura. The Total and Faecal Coliform are meeting the criteria at all the locationsexcept Fecal Coliform count (2800 MPN/100ml) which is exceeding in MyntduRiver in Meghalaya. The water quality of Medium and Minor Rivers in Manipur,Meghalaya, Mizoram and Tripura is presented in Annexure-I Table 18.6.18.8 Water Quality of Creeks, Sea water and CanalsThe monitoring locations on creeks in Goa, Gujarat, Maharashtra and Orissa areone each on Dando mollo, Masma Khadi, Bassein, Bhayander, Dahanu, Dandi,Karambavane, Kharekuran Murbe, Mahim, Panvel, Sarawali and Savta; twolocations on Thane and Vashi Creeks and five locations on Ulhas Creek. The seawater is monitored on 15 locations in the vicinity of Mumbai in Maharashtra and3 locations in Orissa. Agartala Canal, Agra Canal, Cumbarjua Canal, CuncolimCanal, Gang Canal, Gurgaon Canal, Kharda Canal, Masitawala Head Canal,Morambamarine Canal, Narmada Canal, NOAI Canal, Samarla Kota Canal,Talaganda Canal, Tulje Bagh Canal, Upper Ganga Canal and Western YamunaCanal are monitored in Haryana, Goa, Gujarat, Rajasthan, Manipur, Delhi, Orissa,Uttarakhand, Andhra Pradesh, Tripura and West Bengal.139