Tesis
La calidad del agua de la micro cuenca del Río Tingo mediante la utilización de un índice de calidad del agua (WQI) y la identificación de macro invertebrados como bio indicadores, para el GAD Provincial de Chimborazo.
Fecha
2016-06Registro en:
Buñay Tapia, Mauro Orlando. (2016). La calidad del agua de la micro cuenca del Río Tingo mediante la utilización de un índice de calidad del agua (WQI) y la identificación de macro invertebrados como bio indicadores, para el GAD Provincial de Chimborazo. Escuela Superior Politécnica de Chimborazo. Riobamba.
Autor
Buñay Tapia, Mauro Orlando
Resumen
The study was aimed to determine the water quality of Tingo River microbasin that goes from
the Tingo to Cebadas parish, by a chemical index (Water Quality Index) using 9 parameters
and a biological index (Biological Monitoring Working Party) handling macroinvertebrates as
bioindicators of water quality. Once the current activities in the microbasin were identified, five
monitoring points were established, sampled and analyzed monthly from November 2015 to
March 2016. A multiparameter was used in order to measure the physicochemical parameters in
the field and the macroinvertebrates collection was performed by using a net type D-net. The
obtained data were classified by point and monitoring month. For temperature, TDS, pH,
Turbidity, Dissolved oxygen, BOD5 (biochemical oxygen demand in five days), Nitrates,
Fosfates and Fecal coliforms was obtained: for WQI chemical index, in the first point there is a
water quality of 58,08 with regular category. In the second and third point a water quality of
45,50 and 45,53 with bad category and in the fourth and fifth point a water quality of 58,31 and
54,36 with regular category. This shows that the river water quality is declining due to the
increment of human activities especially in the third and fourth point since these activities. By
using BMWP biological index, we obtained that the first and second point shows a water quality
of 73 and 65,6 with a category of acceptable, in the third, fourth and fifth point possess a water
quality of 41,6; 37,2 and 39,6 with a dubious category, which corroborated the data obtained by
the WQI chemical index. As an overall result, we that the water quality of Tingo River is
regular by WQI index and by BMWP index is doubtful. Thus, the use of this water must be
controlled based on the correspond use category to avoid impact on human health. It is
recommended that the Environmental Management Department develop studies along of the
year in order to obtain more and improved information in different seasons.