Evaluation of physical-chemical parameters of the water in the Rejon dam
during a vacation period (Easter week) in Chihuahua, Mexico
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The water quality of El Rejon Dam was evaluated during a period of high visitor concentration (before and after Easter Week) at two depths (30 and 200 cm). Physicochemical parameters of the water were analyzed: Temperature, pH, Electrical Conductivity, Turbidity, Dissolved Oxygen and Biochemical Oxygen Demand. We evaluated three factors: Time (M): before and after the period of Easter week 2015, Zone (Z): Urban and Rural, and Depth (P): 30 and 200 cm. These parameters were verified with respect to the corresponding Mexican regulations, according to the Maximum Permissible Limits. We obtained 6...
The water quality of El Rejon Dam was evaluated during a period of high visitor concentration (before and after Easter Week) at two depths (30 and 200 cm). Physicochemical parameters of the water were analyzed: Temperature, pH, Electrical Conductivity, Turbidity, Dissolved Oxygen and Biochemical Oxygen Demand. We evaluated three factors: Time (M): before and after the period of Easter week 2015, Zone (Z): Urban and Rural, and Depth (P): 30 and 200 cm. These parameters were verified with respect to the corresponding Mexican regulations, according to the Maximum Permissible Limits. We obtained 64 samples from 32 sites. The statistical analysis was performed with an analysis of variance (ANOVA), presenting significant results for Temperature: M and P; pH: M and Z; Turbidity: Z; DO: M, Z and P; and BOD: M and Z; there was no statistical significance in EC. A high correlation was found between BOD and DO (0.74). All parameter levels increased after Easter, with the exception of EC. Weconclude that water quality is good for aquatic life, but anthropogenic impact can affect it if there is no proper management and care.
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