Sl. Parameters No. Locatio Frequency of Parameters analysed analysed(o Monitoring stations n Sampling on a regular basis nce in a year) Surface Water FIELD OBSERVATION, IRON,ARSE 1. Gumti at U/S South , Tripura Monthly TEMPARATURE, pH, NIC,LEAD, CONDUCTIVITY, CADMIUM, 2. Gumti at D/S South Tripura, Tripura Monthly TURBIDITY,FAECAL CHROMUI 3. Agartala D/S of , Monthly COLIFORM, TOTAL M,COPPER, Chandrapur COLIFORM, DO, BOD, ZINC 4. Laxmi Narayan Bari Palace Compound Monthly COD, NO3 N, NO2 N, CHLORIDE, SULFATE, 5. Rudrasagar, Sonamura, Tripura Monthly SODIUM, CALCIUM, 6. Katakhal near Pragati Vidyabhawan , Monthly MAGNESIUM, Agartala HARDNESS, TOTAL 7. Gilatali Canal, West Tripura Monthly ALKALINITY, 8. Palatana Canal at D/S of Pollution PHENOLPTHELIENE Monthly Outfall, South Tripura ALKALINITY, TKN, AMMONIA, BORON, 9. Ghandha Charra Canal at Monthly PHOSPHATE, Domburnagar, Dhalai FLUORIDE, TDS, TSS, 10. Samanu Charra Canal at Chawmanu, FDS Monthly Dhalai 11. Dhumbur Lake, Dhalai Monthly 12. Sepahijala Pond, West Tripura Monthly 13. Bramakunda Pond, West Tripura Monthly 14. Kalyan Sagar at Matabari, South Monthly Tripura 15. Mahadeb Dighi, South Tripura Monthly 16. Jagannath Dighi, South Tripura Monthly 17. Howrah River at Dashamighat, West Monthly Tripura 18. at Trisha Bari, Teliamura, Monthly West Tripura 19. Khowai River at Kumari Madhuti Setu, Monthly West Tripura 20. Khowai River at Chakmaghat, West Monthly Tripura 21. Howrah River at Aralia, West Tripura Monthly 22. Howrah River at Kalabagan, West Monthly Tripura 23. Howrah River at Joynagar, West Tripura Monthly

24. Khowai River at Karailong, Teliamura, Monthly West Tripura 25. Burigaon River at Bishalgarh, West Monthly Tripura 26. Gumati River at Rajdharnagar, South Monthly Tripura 27. Gumati River at Amarpur, South Monthly Tripura 28. Gumati River at Tirthamukh, South Monthly Tripura 29. Gumati River at Subhas Setu, Dhajanagar, D/S Udaipur City, South Monthly Tripura 30. at (Interstate Monthly Boundary), South Tripura 31. Feni River at Chotokhil Battala, South Monthly Tripura 32. Muhari River at Bankar (Interstate Monthly Boundary), Belonia, South Tripura 33. Muhari River at Muharichar, South Monthly Tripura 34. at Chandraipara, D/S of Monthly Ambassa Town,Dhalai 35. Dhalai River at Kamalpur D/S, Dhalai Monthly Sl. Parameters No. Locatio Frequency of Parameters analysed analysed(o Monitoring stations n Sampling on a regular basis nce in a year) 36. Dhala i River at Manik Bhandher, Dhalai Monthly

37. at Manughat, Confl Point of Chawmanu Charra & Manu River, Monthly Dhalai 38. Manu River at Kailashahar D/S, North Monthly Tripura 39. Manu River at Kumarghat, North Monthly Tripura 40. at Damcherra (Interstate Monthly Boundary), North Tripura 41. at Krishnapur, D/S of Monthly Dharmanagar, North Tripura 42. Deo River at Pecharthal D/S, North Monthly Tripura Ground Water 43. Well at Udaipur (Tube Well), Tripura Half Yearly 44. Well around Udaipur (Tube Well), Half Yearly Tripura 45. Kunjaban, Agartala, Tripura Half Yearly 46. Lankamura, Tripura Half Yearly 47. A.D. Nagar, Agartala, Tripura Half Yearly 48. Shibnagar, Agartala, Tripura Half Yearly 49. Gandhigram , Agartala, Tripura Half Yearly 50. Tube Well at Hapania, West Tripura Half Yearly 51. Tube Well at Nagicherra, West Tripura Half Yearly 52. Tube Well at Bodhjung Nagar, West Tripura Half Yearly 53. Tube Well at B.C Manu, South Tripura Half Yearly 54. Tu be Well at Santir Bazar, South Half Yearly Tripura 55. Tube Well at Bagafa, South Tripura Half Yearly 56. Tube Well at 82 Mile, Dhalai Half Yearly 57. Tube Well at Jawahanagar, Dhalai Half Yearly 58. Tube Well at Kulai, Dhalai Half Yearly 59. Tube Well at Churaibari (Interstate Half Yearly Boundary), North Tripura 60. Tube Well at Kameswar, Industrial Half Yearly Estate Area, North Tripura 61. Tube Well at Kumarghat, Industrial Half Yearly Estate Area, North Tripura 62. Tube Well at Gour Nagar, North Tripura Half Yearly 63. Tube Well at Kailasahar, North Tripura Half Yearly