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

The ranges of water quality observed in groundwater with respect to Temperature,pH, DO, Conductivity, BOD, Nitrate +Nitrite, Total Coliform (TC) and FaecalColiform (FC) are presented as minimum, maximum and mean value to assess theextent of water quality variation throughout the year.20.3 Status of Ground Water Quality in Andhra PradeshThe water quality monitoring of ground water in Andhra Pradesh is carried out byAndhra Pradesh Pollution Control Board. pH of groundwater is observed in therange of 6.9-8.3. Conductivity varies from 211-6995 µmhos/cm and is meetingthe criteria limit for drinking as well as irrigation purposes except few locationsviz. Bore well at Panchayat office Bollaram (V), Medak (6995 µmhos/cm), nearRama Temple, Vishakhapatnam (3616 µmhos/cm), bore well east of Saicheuvu,Paidipally (V) Warangal (3568 µmhos/cm), bore well near CKM collegeWarangal (2749 µmhos/cm), bore well at Kurnool (2391 µmhos/cm). Fluorideconcentration in the ground water range from 0.2-2.15 mg/l, high value ofFluoride is observed at B/W – Swarnamukhi river, Srikalahasti, Chittoor dist(2.15 mg/ l); B/W Manakondur (V), Karimnagar (1.93 mg/ l); B/W Paidipally(V), Warangal (1.84 mg/ l); B/W near Tungbhadra river, Kurnool (1.64 mg/ l);O/W near ashponds of NTPC, Kundanpally, Ramagundam(1.61 mg/ l); B/W nearCKM College; Warangal dist (1.51 mg/ l). The quality of ground water in AndhraPradesh is presented in Annexure-I Table 20.1.20.4 Status of Ground Water Quality in AssamThe water quality monitoring of ground water in Assam is carried out byrespective State Pollution Control Board. pH of groundwater is observed in therange of 5.25-7.05 and observed below 6.5 at Kabri Angolong, Ledo Margherita,Numaligarh, HS School, Kokrajhar, Goalpara, Hialakandi, Tinsukia dist inAssam. Fluoride concentration is observed in the range of 0.26 – 1.0 mg/ l. Thequality of ground water in Assam is presented in Annexure-I Table 20.2.20.5 Status of Ground Water Quality in Manipur, Tripura and MeghalayaThe water quality monitoring of ground water in Manipur, Tripura and Meghalayais carried out by respective State Pollution Control Boards. pH of groundwater isobserved in the range of 5.0-7.9 and observed below the criteria at Mawlai,Shillong (5.0) and Shangpung (5.8) in Meghalaya. Conductivity varies from 59-348 µmhos/cm and is meeting the criteria limit for drinking as well as irrigationpurposes. BOD is not meeting the criteria at Mawlai, Shillong (4.0 mg/l) inMeghalaya. Fluoride concentration is observed in the range of 0.03-0.1 mg/ l. Thequality of ground water in Manipur, Tripura and Meghalaya is presented inAnnexure-I Table 20.3.149