Adams, S., Titus, R., Pietersen, K., Tredoux, G., & Harris, C. (2001). Hydrochemical characteristics of aquifers near Sutherland in the Western Karoo, South Africa. Journal of Hydrology, 241
Al-Bassam, A. M., & Al-Rumikhani, Y. A. (2003). Integrated hydrochemical method of water quality assessment for irrigation in arid areas: Application to the Jilh aquifer, Saudi Arabia. Journal of African Earth Sciences, 36
Al-Futaisi, A., Rajmohan, N., & Al-Touqi, S. (2007). Groundwater quality monitoring in and around Barka dumping site, Sultanate of Oman. The Second IASTED (The International Association of Science and Technology for Development) International Conference on Water Resources Management (WRM 2007). August 20–22, Honolulu, Hawaii, USA.
Alison, E. C., Janet, S. H., & Blair, F. J. (1992). The chemical influence of clay minerals on groundwater composition in a lithologically heterogeneous carbonate aquifer. In Y. K. Kharaka, & A. S. Maest (Eds.), Proc. 7th Int. Symp. on Water–Rock Interaction (WRI7, Vol. 2) (pp. 779–782). Utah: Balkema.
APHA (1995). Standard methods for the examination of water and wastewater (19th edn). Washington: American Public Health Association.
Ator, S. W., & Denis, J. M. (1997). Relation of nitrogen and phosphorus in ground water to land use in four subunits of the Potomac River Basin. USGS Water-Resources Investigations Report, 97–4268. Reston: US Geological Survey.
Bhatt, K. B., & Saklani, S. (1996). Hydrogeochemistry of the Upper Ganges River, India. Journal of the Geological Society of India, 48, 171–182.
Blake, R. (1989). The origin of high sodium bicarbonate waters in the Otway Basin, Victoria, Australia. In D. L. Miles (Ed.), Proceedings of the 6th International Symposium on Water–Rock Interaction (WRI-6) (pp. 83–85). England: Malvern.
Canter, L. W. (1997). Nitrates in groundwater. Boca Raton: CRC/Lewis.
Census of India. (2001). Data from the 2001 Census, including cities, villages and towns (Provisional). Census Commission of India.
Cerling, T. E., Pederson, B. L., & Damm, K. L. V. (1989). Sodium calcium ion exchange in the weathering of shales: Implications for global weathering budgets. Geology, 17
Clark, I., & Fritz, P. (1997). Environmental isotopes in hydrogeology. New York: Lewis.
Davies, S. N., & DeWiest, R. J. M. (1966). Hydrogeology. New York: Wiley.
Eaton, E. M. (1950). Significance in carbonate in irrigation water. Soil Science, 69
Elampooranan, T., Rajmohan, N., & Abirami, L. (1999). Hydrochemical studies of Artesian well waters in Cauvery deltaic area, South India. Indian Journal of Environmental Health, 41(2), 107–114.
Elango, L., Rajmohan, N., & Gnanasundar, D. (1998). Groundwater quality monitoring in intensively cultivated regions of Tamil Nadu, India. In Proceedings of International Association of Hydrogeologists & International Groundwater Conference, February 8–13. University of Melbourne, Australia.
Elango, L., Suresh Kumar, S., & Rajmohan, N. (2003). Hydrochemical studies of groundwater in Chengalpet region, South India. Indian Journal of Environmental Protection, 23(6), 624–632.
Elhatip, H., Afsin, M., Kuscu, L., Dirik, K., Kurmac, A., & Kavurmac, M. (2003). Influences of human activities and agriculture on groundwater quality of Kayseri–Incesu–Dokuzpınar springs, central Anatolian part of Turkey. Environmental Geology, 44
Fetters, C. W. (1990). Applied hydrogeology. New Delhi: CBS.
Foster, M. D. (1950). The origin of high sodium bicarbonate waters in the Atlantic and Gulf Coast plains. Geochimica et Cosmochimica Acta, 1
Freeze, R. A., & Cherry, J. A. (1979). Groundwater. Englewood Cliffs: Prentice Hall, pp. 604.
Gibbs, R. J. (1970). Mechanism controlling world water chemistry. Science, 170
Indian Standard Institution. (1991). Indian standard specification for drinking water. IS, 10500, 1–5.
Jeevanandam, M., Kannan, R., Srinivasalu, S., & Rammohan, V. (2006). Hydrogeochemistry and Groundwater Quality Assessment of Lower Part of the Ponnaiyar River Basin, Cuddalore District, South India. Environmental Monitoring and Assessment, 132(1–3), 263–274.
Jeong, C. H. (2001). Effect of land use and urbanization on hydrochemistry and contamination of groundwater from Taejon area, Korea. Journal of Hydrology, 253
Kalkhoff, S. J., Detroy, M. G., Cherryholmes, K. L., & Kuzniar, R. L. (1992). Herbicide and nitrate variation in alluvium underlying a cornfield at a site in Iowa County, Iowa. Water Resources Bulletin, 28(6), 1001–1011.
Karanth, K. R. (1987). Groundwater assessment, development and management. New Delhi: Tata-McGraw-Hill.
Laluraj, C. M., & Gopinath, G. (2006). Assessment on seasonal variation of groundwater quality of phreatic aquifers—A river basin system. Environmental Monitoring and Assessment, 117
Lee, S. M., Min, K. D., Woo, N. C., Kim, Y. J., & Ahn, C. H. (2003). Statistical models for the assessment of nitrate contamination in urban groundwater using GIS. Environmental Geology, 44, 210–221.
Lloyd, J. W., & Heathcote, J. A. (1985). Natural inorganic hydrochemistry in relation to groundwater. Oxford: Clarendon, pp. 294.
Ma, J., Ding, Z., Wei, G., Zhao, H., & Huang, T. (2009). Sources of water pollution and evolution of water quality in the Wuwei basin of Shiyang River, Northwest China. Journal of Environmental Management, 90
Nisi, B., Buccianti, A., Vaselli, O., Perini, G., Tassi, F., Minissale, A., et al. (2008). Hydrogeochemistry and strontium isotopes in the Arno River Basin (Tuscany, Italy): Constraints on natural controls by statistical modeling. Journal of Hydrology, 360
Parkhurst, D. L., & Appelo, C. A. J. (1999). User’s guide to PHREEQC (version 2)—A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations. USGS Water–Resources Investigations Report, 99–4259.
Piper, A. M. (1944). A graphic procedure in the geochemical interpretation of water analyses. American Geophysical Union Transactions, 25, 83–90.
Pritchard, M., Mkandawire, T., & O’Neill, J. G. (2008). Assessment of groundwater quality in shallow wells within the southern districts of Malawi. Physics and Chemistry of the Earth, 33, 812–823.
Rajmohan, N., & Elango, L. (2005). Nutrient chemistry of groundwater in an intensively irrigated region of Southern India. Environmental Geology, 47
Rajmohan, N., Elango, L., & Elampooranan, T. (1997). Groundwater quality in Nagai Quaid-E-Milleth District and Karaikal, South India. Indian Water Resources Society, 17(3–4), 25–30.
Rajmohan, N., Al-Futaisi, A., & Al-Touqi, S. (2009). Geochemical process regulating groundwater quality in a coastal region with complex contamination sources: Barka, Sultanate of Oman. Environmental Earth Sciences, 59
, 385–398. doi:10.1007/s12665-009-0037-1
Ramakrishna (1998). Groundwater handbook, India.
Richards, L. A. (1954). Diagnosis and improvement of saline and alkali soils. Washington: US Dept. of Agriculture, Agri. Hand book 60.
Sarin, M. M., Krishnaswamy, S., Dilli, K., Somayajulu, B. L. K., & Moore, W. S. (1989). Major-ion chemistry of the Ganga–Brahmaputra river system: Weathering processes and water quality assessment. Environment Geology, 48, 1014–1028.
Schoeller, H. (1965). Qualitative evaluation of groundwater resources. In Methods and techniques of groundwater investigations and development (pp. 54–83). UNESCO.
Schoeller, H. (1967). Geochemistry of groundwater. An international guide for research and practice (pp. 1–18). UNESCO, chap 15.
Schot, P. P., & Van der Wal, J. (1992). Human impact on regional groundwater composition through intervention in natural flow patterns and changes in land use. Journal of Hydrology, 134
Subba Rao, N. (2002). Geochemistry of groundwater in parts of Guntur district, Andhra Pradesh, India. Environmental Geology, 41
Subramani, T., Elango, L., & Damodarasamy, S. R. (2005). Groundwater quality and its suitability for drinking and agricultural use in Chithar River Basin, Tamil Nadu, India. Environmental Geology, 47
Sujatha, D., & Rajeshwara Reddy, B. (2003). Quality characterization of groundwater in the south-eastern part of the Ranga Reddy district, Andhra Pradesh, India. Environmental Geology, 44
Tamil Nadu Agricultural University (2002–2004). Cauvery Delta Zone—Status paper
Trivedy, R. K., & Goel, P. K. (1984). Chemical and biological methods for water pollution studies. Karad: Environmental Publication.
UNESCO. (2007). UNESCO water portal newsletter no. 161
: Water-related diseases. http://www.unesco.org/water/news/newsletter/161.shtml
United States Salinity Laboratory. (1954). Diagnosis and improvement of saline and alkaline soils. Washington: US Department of Agriculture.
WHO (World Health Organization). (1993). Guidelines for drinking water quality, recommendations (2nd ed). Geneva: WHO.
WHO (World Health Organization). (1997). Guideline for drinking water quality. Health criteria and other supporting information (2nd ed). Geneva: World Health organization.
Wilcox, L. V. (1948). The quality of water for irrigation, Use US Dept. of Agriculture, Tech, Bull, 962, Washington, D. C., pp 1–40.