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Water quality and risk assessment of tributary rivers in San Fernando, Bukidnon Philippines

By: Van Ryan Kristopher R. Galarpe, Kristal Jane L. Heyasa, Brawner Brian L. Heyasa

Key Words: San Fernando, Bukidnon, Tigua river, Salug river, River tributaries, Heavy metals

J. Bio. Env. Sci. 11(1), 266-273, July 2017.

Certification: jbes 2017 0029

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Abstract

Bukidnon, Philippines being identified as an agricultural province needs to ensure water sustainability vital to support its agroeconomy. This study considered Tigua River with three river tributaries and Salug River with single station in San Fernando, Bukidnon. Analysis employed single sampling technique to initially assess river tributaries. Studied water quality parameters were pH, temperature, dissolved oxygen (DO), oxidizing redox potential (ORP), turbidity, salinity, conductivity, total dissolved solids (TDS) using portable pre-calibrated meters. Nitrates were also determined using Bruccine colorimetric method. Analyzed heavy metals in total form were copper (Cu), cadmium (Cd), lead (Pb), and chromium (Cr) using Flame-Atomic absorption spectrophometry (AAS). Overall, studied river tributaries passed national regulation with risk quotient (RQ) showing no potential pollution. Heavy metals were below detection limit indicating less traceable quantities in river tributaries. Salinity, conductivity, and TDS showed positive correlation. The study was preliminary and further monitoring may be needed.

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Water quality and risk assessment of tributary rivers in San Fernando, Bukidnon Philippines

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Van Ryan Kristopher R. Galarpe, Kristal Jane L. Heyasa, Brawner Brian L. Heyasa.
Water quality and risk assessment of tributary rivers in San Fernando, Bukidnon Philippines.
J. Bio. Env. Sci. 11(1), 266-273, July 2017.
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