C. A. Almeida, S. Quintar, P. González, and M. A. Mallea, Influence of urbanization and tourist activities on the water quality of the Potrero de los Funes River (San Luis ??? Argentina), Environmental Monitoring and Assessment, vol.57, issue.1???4, pp.459-465, 2007.
DOI : 10.1007/s10661-006-9600-3

S. Babel and S. Takizawa, Chemical pretreatment for reduction of membrane fouling caused by algae, Desalination, vol.274, issue.1-3, pp.171-176, 2011.
DOI : 10.1016/j.desal.2011.02.008

R. Bergamasco, L. C. Konradt-moraes, M. F. Vieira, M. R. Fagundes-klen, and A. M. Vieira, Performance of a coagulation???ultrafiltration hybrid process for water supply treatment, Chemical Engineering Journal, vol.166, issue.2, pp.483-489, 2001.
DOI : 10.1016/j.cej.2010.10.076

. Bio-organic and . Catalyst, Information about the bioremediator In: Bio-Organic Catalyst Available from <bio-organic, 2011.

. Bioplus, Information about the bioremediator, 2011.

B. Bishop and P. L. , The role of biofilms in water reclamation and reuse, Water Science & Technology, vol.55, issue.1-2, pp.19-26, 2007.
DOI : 10.2166/wst.2007.005

A. Biswas, J. Lundqvist, C. Tortajada, and O. Varis, Water management for megacities, Stockholm Water Front, vol.2, pp.1-13, 2004.

L. A. Bravo-inclan, M. P. Saldana-fabela, and J. J. Sanchez-chavez, Long-term eutrophication diagnosis of a high altitude body of water, Zimap??n Reservoir, Mexico, Water Science & Technology, vol.57, issue.11, pp.1843-1849, 2008.
DOI : 10.2166/wst.2008.279

M. C. Calijuri, D. G. Cunha, and J. Povinelli, Sustentabilidade: um desafio na gestão dos recursos hídricos, 2010.

W. Coutinho and M. Von-sperling, Avaliação de desempenho da estação de tratamento por flotação dos córregos afluentes à Represa da Pampulha ? Belo Horizonte, Proceedings of 24º Congresso Brasileiro de Engenharia Sanitária e Ambiental, 2007.

D. G. Cunha, D. Grull, M. Damato, J. R. Blum, S. Eiger et al., Contiguous urban rivers should not be necessarily submitted to the same management plan: the case of Tiet?? and Pinheiros Rivers (S??o Paulo-Brazil), Annals of the Brazilian Academy of Sciences, 2011.
DOI : 10.1590/S0001-37652011000400032

D. G. Cunha, D. Grull, M. Damato, J. R. Blum, J. E. Lutti et al., On site flotation for recovering polluted aquatic systems: is it a feasible solution for a Brazilian urban river?, Water Science & Technology, vol.62, issue.7, pp.1603-1613, 2010.
DOI : 10.2166/wst.2010.450

D. G. Cunha, D. Grull, M. Damato, J. R. Blum, J. E. Lutti et al., Trophic state evolution in a subtropical reservoir over 34 years in response to different management procedures, Water Science & Technology, vol.64, issue.12, pp.2338-2344, 2011.
DOI : 10.2166/wst.2011.826

P. Demarche, C. Junghanns, R. R. Nair, and S. N. Agathos, Harnessing the power of enzymes for environmental stewardship, Biotechnology Advances, vol.30, issue.5
DOI : 10.1016/j.biotechadv.2011.05.013

S. Dockko, S. C. Park, S. B. Kwon, and M. Y. Han, Application of the flotation process to thicken the sludge from a DAF plant, Water Science and Technology, vol.53, issue.7, pp.159-165, 2006.
DOI : 10.2166/wst.2006.220

W. K. Dodds, W. W. Bouska, J. L. Eitzmann, T. J. Pilger, K. L. Pitts et al., Eutrophication of U.S. Freshwaters: Analysis of Potential Economic Damages, Environmental Science & Technology, vol.43, issue.1, pp.12-19, 2009.
DOI : 10.1021/es801217q

. Enzilimp, Information about the bioremediator, 2011.

S. E. Fantroussi and S. N. Agathos, Is bioaugmentation a feasible strategy for pollutant removal and site remediation?, Current Opinion in Microbiology, vol.8, issue.3, pp.268-275, 2005.
DOI : 10.1016/j.mib.2005.04.011

V. Geraldes, A. Anil, M. N. Pinho, and E. Duarte, Dissolved air flotation of surface water for spiral-wound module nanofiltration pre-treatment, Desalination, vol.228, issue.1-3, pp.191-199, 2008.
DOI : 10.1016/j.desal.2007.10.008

S. L. Gora and M. E. Walsh, Recycle of waste backwash water in ultrafiltration drinking water treatment processes, Journal of Water Supply: Research and Technology???AQUA, vol.60, issue.4, pp.185-196, 2011.
DOI : 10.2166/aqua.2011.050

S. Hajkowicz, R. Spencer, A. Higgins, and O. Marinoni, Evaluating water quality investments using cost utility analysis, Journal of Environmental Management, vol.88, issue.4, pp.1601-1610, 2008.
DOI : 10.1016/j.jenvman.2007.08.006

Y. Y. Han, J. L. Weissfeld, D. L. Davis, and E. O. Talbott, Arsenic levels in ground water and cancer incidence in Idaho: an ecologic study, International Archives of Occupational and Environmental Health, vol.198, issue.3, pp.843-849, 2009.
DOI : 10.1007/s00420-008-0362-9

J. Heinänen, P. Jokela, and T. Ala-peijari, Use of dissolved air flotation in potable water treatment in Finland, Water Science and Technology, vol.31, issue.3-4, pp.225-238, 1995.
DOI : 10.1016/0273-1223(95)00220-H

T. J. Hoover, Concentrating Ores by Flotation. The Mining Magazine, 1912.

R. A. Isaac, Costs and benefits of water quality: Massachusetts as a case example, Water Science and Technology, vol.38, issue.11, pp.15-21, 1998.
DOI : 10.1016/S0273-1223(98)00635-0

H. P. Jarvi, C. Neal, A. Warwick, J. White, M. Neal et al., Phosphorus uptake into algal biofilms in a lowland chalk river, Science of The Total Environment, vol.282, issue.283, pp.282-283, 2002.
DOI : 10.1016/S0048-9697(01)00924-X

Y. Jiao, Q. Zhao, W. Jin, X. Hao, and S. You, Bioaugmentation of a biological contact oxidation ditch with indigenous nitrifying bacteria for in situ remediation of nitrogen-rich stream water, Bioresource Technology, vol.102, issue.2, pp.990-995, 2011.
DOI : 10.1016/j.biortech.2010.09.061

C. P. Jordão, P. R. Ribeiro, A. T. Matos, R. K. Bastos, R. B. Fernandes et al., Environmental assessment of water-courses of the Turvo Limpo River basin at the Minas Gerais State, Brazil, Environmental Monitoring and Assessment, vol.34, issue.1-3, pp.315-326, 2007.
DOI : 10.1007/s10661-006-9282-x

K. Konieczny, D. Sakol, and M. Bodzek, Efficiency of the hybrid coagulation???ultrafiltration water treatment process with the use of immersed hollow-fiber membranes, Desalination, vol.198, issue.1-3, pp.102-110, 2006.
DOI : 10.1016/j.desal.2006.09.015

K. Konieczny, D. Sakol, J. Plonka, M. Rajca, and M. Bodzek, Coagulation???ultrafiltration system for river water treatment, Desalination, vol.240, issue.1-3, pp.151-159, 2009.
DOI : 10.1016/j.desal.2007.11.072

J. M. Laîné, D. Vial, and P. Moulart, Status after 10 years of operation ??? overview of UF technology today, Desalination, vol.131, issue.1-3, pp.17-25, 2000.
DOI : 10.1016/S0011-9164(00)90002-X

Y. Lind and A. W. Glynn, Intestinal absorption of copper from drinking water containing fulvic acids and an infant formula mixture studied in a suckling rat model, BioMetals, vol.12, issue.2, pp.181-187, 1999.
DOI : 10.1023/A:1009233802104

M. A. Lopes and J. C. Oliveira, O processo de flotação em fluxo como alternativa de despoluição de lago urbano ? caso Aclimação na cidade de São Paulo, Proceedings of 20º Congresso Brasileiro de Engenharia Sanitária e Ambiental, 1999.

T. N. Luz, S. Tidona, B. Jesus, P. V. Morais, and J. P. Sousa, The use of sewage sludge as soil amendment. The need for an ecotoxicological evaluation, Journal of Soils and Sediments, vol.9, issue.3, pp.246-260, 2009.

I. Mantis, D. Voutsa, and C. Samara, Assessment of the environmental hazard from municipal and industrial wastewater treatment sludge by employing chemical and biological methods, Ecotoxicology and Environmental Safety, vol.62, issue.3, pp.397-407, 2005.
DOI : 10.1016/j.ecoenv.2004.12.010

M. A. Massoud, A. Tarhini, and J. A. Nasr, Decentralized approaches to wastewater treatment and management: Applicability in developing countries, Journal of Environmental Management, vol.90, issue.1, pp.652-659, 2009.
DOI : 10.1016/j.jenvman.2008.07.001

J. R. Meliker, R. L. Wahl, L. L. Cameron, and J. O. Nriagu, Arsenic in drinking water and cerebrovascular disease, diabetes mellitus, and kidney disease in Michigan: a standardized mortality ratio analysis, Environmental Health, vol.23, issue.Suppl 1, pp.1-11, 2007.
DOI : 10.2337/diacare.23.8.1103

J. C. Oliveira, A. M. Netto, J. A. Angelis, and M. A. Barbosa, Estação de flotação e remoção de flutuantes do Parque do Ibirapuera ? São Paulo ? a aplicação do processo de tratamento por flotação em fluxo para a recuperação de lagos urbanos, Proceedings of 21º Congresso Brasileiro de Engenharia Sanitária e Ambiental, 2000.

O. Varis, A. K. Biswas, C. Tortajada, and J. Lundqvist, Megacities and Water Management, International Journal of Water Resources Development, vol.22, issue.2, pp.377-394, 2006.
DOI : 10.1016/S0273-1223(97)00181-9

J. N. Pretty, C. F. Mason, D. B. Nedwell, and R. E. Hine, A Preliminary Assessment of the Environmental Costs of the Eutrophication of Fresh Waters in England and Wales, 2002.

. Realco, Information about the bioremediator, 2011.

M. J. Rodriguez, Y. Vinette, J. B. Serodes, and C. Bouchard, Trihalomethanes in drinking water of greater Quebec region (Canada): Occurrence, variations and modelling, Environmental Monitoring and Assessment, vol.89, issue.1, pp.69-93, 2003.
DOI : 10.1023/A:1025811921502

S. D. Saz-salazar, F. Hernández-sancho, and R. Sala-garrido, The social benefits of restoring water quality in the context of the Water Framework Directive: A comparison of willingness to pay and willingness to accept, Science of The Total Environment, vol.407, issue.16, pp.4574-4583, 2009.
DOI : 10.1016/j.scitotenv.2009.05.010

V. H. Smith, G. D. Tilman, and J. C. Nekola, Eutrophication: impacts of excess nutrient inputs on freshwater, marine, and terrestrial ecosystems, Environmental Pollution, vol.100, issue.1-3, pp.179-196, 1999.
DOI : 10.1016/S0269-7491(99)00091-3

S. Suthar, J. Sharma, M. Chabukdhara, and A. K. Nema, Water quality assessment of river Hindon at Ghaziabad, India: impact of industrial and urban wastewater, Environmental Monitoring and Assessment, vol.105, issue.3, pp.103-112, 2010.
DOI : 10.1007/s10661-009-0930-9

C. G. Whiteley and D. J. Lee, Enzyme technology and biological remediation, Enzyme and Microbial Technology, vol.38, issue.3-4, pp.291-316, 2006.
DOI : 10.1016/j.enzmictec.2005.10.010

S. Xia, X. Li, R. Liu, and G. Li, Pilot study of drinking water production with ultrafiltration of water from the Songhuajiang River (China), Desalination, vol.179, issue.1-3, pp.369-374, 2005.
DOI : 10.1016/j.desal.2004.12.025