Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health
Chemical contamination of the water supply system caused by anthropic activities can cause adverse health effects. This study determined the presence of toxic metals, organic substances, pesticides and trihalomethanes in the water supply systems of the urban area of Ibague City. The economic and san...
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Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi)
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doaj-e16744b2d22f41cebb6ae9d8eda84c182020-11-25T02:00:28ZengInstituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi)Revista Ambiente & Água1980-993X2020-04-0115212010.4136/ambi-agua.2477Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health Blanca Lisseth Guzmán Barragán0https://orcid.org/0000-0002-3465-1114Manuel Alejandro Gonzalez Rivillas1https://orcid.org/0000-0002-3704-2154Manuel Salvador Cuero Villegas2https://orcid.org/0000-0002-9312-1455Jose David Olivar Medina3https://orcid.org/0000-0002-6185-7572Facultad de Ciencias Agropecuarias. Universidad de Ciencias Aplicadas y Ambientales (U.D.C.A), Calle 222, N° 55-37, Postal Code: 111166, Bogotá, Cundinamarca, ColombiaIbagué Saludable. Alcaldía de Ibagué. Secretaría de Salud Municipal de Ibagué, Calle 9 N° 2-59, Ibagué, Tolima, Colombia. Ciencias Biologicas. Universidad del Tolima (UT), Calle 42, S/N, Postal Code: 730006299, Ibagué, Tolima, Colombia. Ibagué Saludable. Alcaldía de Ibagué. Secretaría de Salud Municipal de Ibagué, Calle 9 N° 2-59, Ibagué, Tolima, Colombia. Chemical contamination of the water supply system caused by anthropic activities can cause adverse health effects. This study determined the presence of toxic metals, organic substances, pesticides and trihalomethanes in the water supply systems of the urban area of Ibague City. The economic and sanitary activities located in the 25 surface streams of the 32 water supply systems of the municipality were characterized. A total of 25 water samples were taken from the surface streams, and 35 samples in the water network of each drinking water service provider for the identification of pesticides (carbamates, organochlorines, organophosphorus), mercury, arsenic, cyanide, lead, cadmium, antimony, cobalt, selenium, silver, nickel and hydrocarbons. The presence of trihalomethanes was sampled after the treatment process given. A total of 775 economic and sanitary activities were detected in the surface streams of the water supply systems, highlighting the human settlements, agricultural and tourist activities impact on the water sources. Organochlorine pesticides (0.009-0.109 mg/L), mercury (0.001-0.004 mg/L) were identified in the water supply system in concentrations higher than those permitted by local regulation. Concentrations of trihalomethanes (0.064-1.260 mg/L) were detected in 68.7% of the water supply systems with treatment. The presence of chemical contaminants occurs mainly in communities with water supply systems of low complexity with high anthropic affectation. It is necessary to strengthen the assessment of hazards and risk by health surveillance, as well as intersectoral intervention for the protection of water sources and the improvement of water treatment technologies.https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2020000200313&lng=en&nrm=iso&tlng=enenvironmental healthmercurypesticidestrihalomethaneswater contamination |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Blanca Lisseth Guzmán Barragán Manuel Alejandro Gonzalez Rivillas Manuel Salvador Cuero Villegas Jose David Olivar Medina |
spellingShingle |
Blanca Lisseth Guzmán Barragán Manuel Alejandro Gonzalez Rivillas Manuel Salvador Cuero Villegas Jose David Olivar Medina Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health Revista Ambiente & Água environmental health mercury pesticides trihalomethanes water contamination |
author_facet |
Blanca Lisseth Guzmán Barragán Manuel Alejandro Gonzalez Rivillas Manuel Salvador Cuero Villegas Jose David Olivar Medina |
author_sort |
Blanca Lisseth Guzmán Barragán |
title |
Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health |
title_short |
Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health |
title_full |
Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health |
title_fullStr |
Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health |
title_full_unstemmed |
Presence of pesticides, mercury and trihalomethanes in the water supply systems of Ibagué, Colombia: threats to human health |
title_sort |
presence of pesticides, mercury and trihalomethanes in the water supply systems of ibagué, colombia: threats to human health |
publisher |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi) |
series |
Revista Ambiente & Água |
issn |
1980-993X |
publishDate |
2020-04-01 |
description |
Chemical contamination of the water supply system caused by anthropic activities can cause adverse health effects. This study determined the presence of toxic metals, organic substances, pesticides and trihalomethanes in the water supply systems of the urban area of Ibague City. The economic and sanitary activities located in the 25 surface streams of the 32 water supply systems of the municipality were characterized. A total of 25 water samples were taken from the surface streams, and 35 samples in the water network of each drinking water service provider for the identification of pesticides (carbamates, organochlorines, organophosphorus), mercury, arsenic, cyanide, lead, cadmium, antimony, cobalt, selenium, silver, nickel and hydrocarbons. The presence of trihalomethanes was sampled after the treatment process given. A total of 775 economic and sanitary activities were detected in the surface streams of the water supply systems, highlighting the human settlements, agricultural and tourist activities impact on the water sources. Organochlorine pesticides (0.009-0.109 mg/L), mercury (0.001-0.004 mg/L) were identified in the water supply system in concentrations higher than those permitted by local regulation. Concentrations of trihalomethanes (0.064-1.260 mg/L) were detected in 68.7% of the water supply systems with treatment. The presence of chemical contaminants occurs mainly in communities with water supply systems of low complexity with high anthropic affectation. It is necessary to strengthen the assessment of hazards and risk by health surveillance, as well as intersectoral intervention for the protection of water sources and the improvement of water treatment technologies. |
topic |
environmental health mercury pesticides trihalomethanes water contamination |
url |
https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2020000200313&lng=en&nrm=iso&tlng=en |
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