WATER QUALITY National Water Quality Monitoring Programme (NWMP)

Findings

National Water Quality at a Glance The water quality data on rivers, lakes, , tanks and groundwater locations being monitored under the network is evaluated against the water quality criteria and the monitoring locations in exceedence with respect to one or more parameters are identified as polluted, which requires action for restoration of water quality. The locations on rivers, lakes, ponds, tanks and groundwater not meeting the criteria are summarized ahead.

• The comparative assessment of BOD levels in Rivers: Comparative Assessment of BOD levels in Rivers

B.O.D. B.O.D. (mg/l) (mg/l) River 2011 2010 Trend River 2011 2010 Trend Kala Amb 535.0 1025.0 Decreasing Ghaggar 68.0 70.0 Decreasing Kundalika 12.0 250 Decreasing Amravati (Tapi) 10.0 12.0 Decreasing Hindon 50.0 278 Decreasing Girna 10.0 12.0 Decreasing Khan 1.3 120 Decreasing Gomai 8.0 10.0 Decreasing Bhavani 6.2 93.0 Decreasing Wena 12.0 13.6 Decreasing Mula 19.5 88.5 Decreasing Gomti 10.5 12.0 Decreasing Mula-Mutha 21.5 79.0 Decreasing Hiwara 8.0 9.0 Decreasing Mutha 23.5 68.0 Decreasing Kalisot 5.4 6.4 Decreasing Yamuna 41.0 84.0 Decreasing Nira (Godavari) 8.5 9.2 Decreasing Pawana 19.5 58.0 Decreasing Kharkhla 7.5 7.8 Decreasing Indrayani 13.0 46.0 Decreasing Purna (Tapi) 14.0 14.0 Same Varuna 27.6 54.0 Decreasing Umtrew 8.8 8.5 Increasing Godavari 37.0 60 Decreasing Bindusar 7.4 7.0 Increasing Urmodi 7.5 28.7 Decreasing Bichia 8.5 8 Increasing Venna 10.0 30.0 Decreasing Mahananda 6.6 5.5 Increasing Cauvery 7.2 27.0 Decreasing Kansi 6.1 4.9 Increasing Kathajodi 3.9 22.5 Decreasing Brahmani 6.8 5.6 Increasing Bhima 22.0 38.5 Decreasing Chandrabhaga 10.5 9.2 Increasing Wainganga 12.0 28.0 Decreasing Koyna 9.0 7.5 Increasing Nira (Krishna) 13.0 28.0 Decreasing Kuakhai 6.5 5 Increasing Morna 6.6 20.0 Decreasing Sonai 6.0 4.5 Increasing Mahanadi 3.6 14.3 Decreasing Pennar 6.0 4.4 Increasing Rapti 7.5 18.0 Decreasing Teesta 6.2 4.4 Increasing Kolar 8.0 18.0 Decreasing Darna 12.0 10.0 Increasing Bharalu 50.0 58 Decreasing Waghur 10.0 8.0 Increasing Satluj 32.0 40.0 Decreasing Damodar 7.8 5.8 Increasing Panzara 10.0 18.0 Decreasing Burhidihing 9.8 7.8 Increasing Mor 7.0 14.0 Decreasing Surya 7.0 4.4 Increasing Manjira 7.6 14.0 Decreasing Digboi 7.0 4.3 Increasing Purna (Godavari) 7.7 14.0 Decreasing Brahmaputra 9.2 6.3 Increasing Chambal 42.0 48 Decreasing Kshipra 28.0 25 Increasing Kan 10.0 16.0 Decreasing Nakkavagu 18.0 15.0 Increasing Tapi 10.0 16.0 Decreasing Vel 14.0 11.0 Increasing Malei 1.2 6 Decreasing Karola 6.1 3.1 Increasing Assonora 2.3 7.0 Decreasing Disang 6.3 3.2 Increasing Bicholim 3.9 8.1 Decreasing Chuntkol 7.0 3.8 Increasing Kali (M&M) 4.3 8.4 Decreasing Maner 9.5 6.0 Increasing Ganga 11.0 15.0 Decreasing Sina 12.2 8.4 Increasing Titur 10.0 14.0 Decreasing Ramganga 12.4 8.6 Increasing Bori 8.0 12.0 Decreasing Rihand 7.2 2.9 Increasing Burai 8.0 12.0 Decreasing Dhansiri 6.8 2.4 Increasing Deepar Bill 6.4 10.4 Decreasing Tambiraparani 8.0 3.1 Increasing Mindhola 4.0 8 Decreasing Patalganga 16.0 11.0 Increasing Dwarka 12.2 15.4 Decreasing Tungabhadra 8.2 3.0 Increasing Dhadar 19.0 22 Decreasing Krishna 16.0 10.0 Increasing Kanhan 11.0 14.0 Decreasing Penganga 15.0 9.0 Increasing Ghod 10.5 13.5 Decreasing Kadambayar 9.4 3.4 Increasing Shivna 4.0 7 Decreasing Vaitarna 10.0 3.5 Increasing Karmana 18.0 20.4 Decreasing Bhatsa 10.0 3.4 Increasing Sirsa 15.0 8.0 Increasing Pedhi 46.0 16.4 Increasing Tansa 11.0 4.0 Increasing Thirumanimuthar 83.7 54.0 Increasing Manusmar 10.0 2.7 Increasing Musi 145.0 110.0 Increasing Suswa 38.0 30.0 Increasing Panchaganga 67.5 28.0 Increasing Harbora 12.0 3.5 Increasing Churni 64.0 3.7 Increasing Kalu 15.0 4.0 Increasing Sarabanga 85.0 5.6 Increasing Nambul 30.5 19 Increasing Kali (W) 369.0 287 Increasing Ram Rekha 15.0 3.5 Increasing Matha Bhanga 90.0 5.4 Increasing Kalinadi (E) 161.0 146 Increasing Wardha 110.0 25.0 Increasing Budhabalanga 22.0 2.2 Increasing Mithi 175.0 75.0 Increasing Vindyadhari 26.8 6.6 Increasing Damanganga 354.0 32 Increasing Betwa 104.0 78 Increasing Vasista 340.0 5.0 Increasing Jalangi 28.0 1.9 Increasing Savitri 525.0 5.4 Increasing

• The comparative assessment of BOD levels in Lakes, Tanks & Ponds: Comparative Assessment of BOD levels in Lakes, Tanks & Ponds B.O.D. B.O.D. (mg/l) (mg/l) Name of Water Name of Water Body 2011 2010 Trend Body 2011 2010 Trend City Lake of Asani Kunta in Andhra Pradesh 320 331.0 Decreasing Nadiad in Gujarat 10 24.0 Decreasing Bishnu Puskar Pukhuri in Kajipally Tank in Andhra Pradesh 115 346.0 Decreasing 8.8 11 Decreasing Deepar Beel Pond Mallapur Tank in Andhra Pradesh 70 90.0 Decreasing in Assam 8.2 16 Decreasing Heballa Valley Noor Md. Kunta in Andhra Pradesh 43 78.0 Decreasing Lake in Karnataka 8 11.0 Decreasing Udaisagar Lake in Sai Chevuru in Andhra Pradesh 25 63.0 Decreasing Rajasthan 7.8 9 Decreasing Botodriva Satra Kistareddypet Tank in Andhra Pradesh 24 67.0 Decreasing Pond in Assam 7.8 8 Decreasing Bhadrakali Chevuru in Andhra Laxmi Pond at Jhansi in Uttar Pradesh 22 33.0 Decreasing Pradesh 7.2 8.5 Decreasing Himayat Sagar Lake in Andhra Indradyumna Tank in Orissa 13 13.5 Decreasing Pradesh 7 8.8 Decreasing Ganga Pukhuri in Kodai Kanal in Tamilnadu 12.7 14.1 Decreasing Assam 6.8 8.6 Decreasing Jaipal Pukhuri in Dighali Pukhuri in Assam 11 24 Decreasing Assam 6.2 9.8 Decreasing Durgam Chevuru in Andhra Dharmasagar Tank in Andhra Pradesh 6.2 7.3 Decreasing Pradesh 80 34.0 Increasing Nalla Chevuru in Rajapukhuri Pond in Assam 5.2 10.2 Decreasing Andhra Pradesh 66 34.0 Increasing Hussain Sagar Lake in Andhra Mahamaya Mandir Pukhuri Pond in Assam 5 9.6 Decreasing Pradesh 58 30.0 Increasing Elangabeel System Gala Beel Pond in Assam 4.8 11.2 Decreasing Pond in Assam 50 44 Increasing Narendra Pokhari Sree Padmanabha Swamy Temple Pond in Kerala 4.8 5.6 Decreasing in Orissa 45 9.5 Increasing Ulsoor Lake in Gophur (Tank) Pond in Assam 4.6 10.8 Decreasing Karnataka 43 13.0 Increasing Premajipet Tank in Bibinagar Tank in Andhra Pradesh 4.6 5.0 Decreasing Andhra Pradesh 39 32.0 Increasing Laxminarayana Chevuru in Andhra Gaurisagar (Tank) Pond in Assam 4.5 5.4 Decreasing Pradesh 37 21.8 Increasing Bindusagar Pond in Oruvathilkotta Lake in Kerala 4.4 9.6 Decreasing Orissa 31 18 Increasing Miralam Lake In Janunia Talab in Madhya Pradesh 4.3 4.6 Decreasing Andhra Pradesh 26 16.0 Increasing Dudhpukur in West Daloni Beel Lake in Assam 4.2 6.4 Decreasing 24 8.6 Increasing Udhagamadalem Lake in Tamil Rajmaw Pukhuri Pond in Assam 4 5.1 Decreasing Nadu 20.6 15.0 Increasing Maahil Pond in Moti Jheel in Bihar 3.5 10.0 Decreasing Uttar Pradesh 19 2.1 Increasing Khaziar Lake in Goysagar Tank in Assam 3.4 7 Decreasing Himachal Pardesh 18 17.0 Increasing Riwalsar Lake in Fateh Sagar Lake in Rajasthan 3.4 3.45 Decreasing Himachal Pardesh 18 12.0 Increasing Markanda Pokhari Alappuzha Lake in Kerala 3.3 2.8 Decreasing in Orissa 14 10.5 Increasing Sursagar Lake in Kayamkulam Lake in Kerala 3.3 3.6 Decreasing Gujarat 12 10 Increasing Umiam Lake in Tighi Talab in Bihar 3 10.0 Decreasing 12 10.0 Increasing Subhagya Kunda Poondi Lake in Tamilnadu 3 4.0 Decreasing Pond in Assam 12 9.5 Increasing Borpukhuri Pond in Sivasagar Tank in Assam 2.8 8.4 Decreasing Assam 11.6 6.4 Increasing Parvati Sagar in Chand Dubi Beel in Assam 2.6 3.5 Decreasing Orissa 11 8.66 Increasing Padumpukhuri Dhudhiya Talav in Gujarat 2.2 3.1 Decreasing Pond in Assam 11 8 Increasing Pushkar Lake in Loktak Lake in Manipur 1.9 12 Decreasing Rajasthan 9.5 6.16 Increasing Shahpura Lake in Pulicate Lake in Andhra Pradesh 1.6 3.8 Decreasing Madhya Pradesh 8.5 3.9 Increasing Rajadinia Pukhuri Gandigudem Tank in Andhra Pradesh 12 12.0 Same Pond in Assam 8 6.4 Increasing Mirikh Lake in Ward Lake in Meghalaya 9 9.0 Same 8 5.9 Increasing Pongdam Lake in Hordai Pukhuri in Assam 4.2 4.2 Same Himachal Pardesh 7.9 0.7 Increasing Rabindrasarovar National Lake in Rudrasagar in 3.4 3.4 Same West Bengal 7.6 6.3 Increasing Belboni Lake in Swetaganga Pond in Orissa 190 21 Increasing West Bengal 6.8 5.0 Increasing Delo Lake in West Saroornagar Lake in Andhra Pradesh 136 30.0 Increasing Bengal 6.8 3.5 Increasing Bor Beel Pond in Pedda Chevuru in Andhra Pradesh 85 36.0 Increasing Assam 6.7 5 Increasing Baskandi Pond in Kochbihar Lake (Sagar Dighi) in West Bengal 6.7 4.8 Increasing Assam 4.2 4 Increasing Mayem Lake in Sahebbandh in West Bengal 6.4 4.0 Increasing Goa 4.2 3.1 Increasing Veeranam Lake in Salaulim Lake in Goa 6.3 1.7 Increasing Tamil Nadu 3.9 1.0 Increasing Mer Beel Lake in Saran Beel Pond in Assam 6.1 2.3 Increasing Assam 3.8 3.6 Increasing Laxmi Narayan in Ashthamudi Lake in Kerala 5.9 4.8 Increasing Tripura 3.8 3.2 Increasing Nakki Lake in Sinchal Lake in West Bengal 5.9 3.2 Increasing Rajasthan 3.8 1.75 Increasing Chilka Lake in Anshupa Lake in Orissa 5.7 4.1 Increasing Orissa 3.7 2.3 Increasing Kawar Lake in Ramgarh Lake in Uttar Pradesh 5.6 5.4 Increasing Bihar 3.6 3.0 Increasing Periat Tank in Upper Lake in Madhya Pradesh 5.5 2.9 Increasing Madhya Pradesh 3.6 2.4 Increasing Suraj Kund in Harike Lake in Punjab 5.1 2.6 Increasing Bihar 3.5 3.0 Increasing Naini Lake in Ajwah Lake in Gujarat 5 0.22 Increasing Uttarakhand 3.2 2.8 Increasing Kodungalloor Lake Samarpur Jheel Lake in Uttar Pradesh 4.8 4.6 Increasing In Kerala 3.2 2.2 Increasing Renuka Lake in Lower Lake in Madhya Pradesh 4.5 4.1 Increasing Himachal Pradesh 3.2 0.7 Increasing Kerwa Dam in Govindgarh Tank in Madhya Pradesh 4.3 4.2 Increasing Madhya Pradesh 3.1 2.1 Increasing