Assessment of the Water Quality of Buhisan, Bulacao and Lahug Rivers, Cebu, Philippines Using Fecal and Total Coliform as Indicators

Abstract

This study was conducted to evaluate and compare the water quality of Buhisan, Bulacao and Lahug rivers in Cebu, Philippines using coliforms as indicators. Monthly sampling started from November 2011 to April 2012 in the upstream, midstream and downstream stations. The multiple tube fermentation technique was used for the analysis of coliforms. High total and fecal coliform counts were observed in the three rivers from February to April, but the difference in values across time was not significant. Fecal coliform counts of Buhisan and Bulacao rivers differed significantly across sampling stations. This was most likely due to the low fecal coliform (FC) values in the upstream compared with the midstream and downstream. The generally high FC and TC levels throughout the sampling period confirmed the presence of fecal pollution in the rivers. Organic pollution and the presence of coliforms could be related to the accumulation of wastewater due to high impact human activities across the river networks. It is therefore recommended to conduct an inventory and monitor non-point sources of water pollution, establish wastewater treatment measures and enforce policies for river protection.

A benchmark survey of plankton, fish and benthic composition in Poblacion and Kadurong Reefs in Liloan, Cebu, Philippines

“…The samples were kept at this temperature (4°C) for 24 h if treatment was not immediate. All the analyses were performed in triplicate as described previously (Bensig et al 2014, Maglangit et al 2014, Maglangit et al 2016 following the standard protocols in APHA (Eaton et al 1995). In brief, the DO was determined by azide modification (Winkler) method, BOD by azide modification (dilution) technique, TSS by gravimetric method, total phosphates by chromotropic-colourimetric method and nitrates by stannous chloride reduction method.…”

Perbandingan Kualitas Air Di Pulau Jawa Dan Kalimantan (Review Jurnal)

“…Kondisi demikian memungkinkan keberadaan bakteri patogen lainnya (Kusuma et al, 2015). Produsen utama bakteri golongan Coliform fekal umumnya adalah wilayah yang memiliki banyak septic tank (Bensig et al, 2014). Adapun bakteri golongan Coliform non fekal seperti Enterobacter dan Klebsiella berasal dari tumbuhan dan hewan yang telah mati (Sari et al, 2019;Pakpahan et al, 2015 (Zhu et al, 1994 Faktor yang memberi kontribusi besar dalam pencemaran air oleh bakteri Coliform adalah pertumbuhan penduduk (Kustanto, 2020).…”