2020
DOI: 10.5696/2156-9614-10.26.200609
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Preliminary Water and Sediment Quality Assessment of the Meycauayan River Segment of the Marilao-Meycauayan-Obando River System in Bulacan, the Philippines

Abstract: Background. The Meycauayan River is considered one of the most severely polluted rivers in the Philippines due to heavy metal and organic pollution that has caused environmental degradation. Objectives. The aim of the present study was to provide insight on the current status of the Meycauayan River and outline an appropriate strategy to solve problems of organic and heavy metal contamination. Methods. The physical, chemical and biological characteristics of the water and sediments were analyzed and evaluate… Show more

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Cited by 12 publications
(5 citation statements)
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“…In addition, the average BOD level (4.00 ± 0.10 mg/L) of the waterbodies complied with the tolerance limit of 5 mg/L in surface waters for aquatic life 47 . Higher level of BOD in waterbodies depletes DO available for aquatic organisms 48 and generally have negative impacts on fishing and fish harvest.…”
Section: Discussionmentioning
confidence: 99%
“…In addition, the average BOD level (4.00 ± 0.10 mg/L) of the waterbodies complied with the tolerance limit of 5 mg/L in surface waters for aquatic life 47 . Higher level of BOD in waterbodies depletes DO available for aquatic organisms 48 and generally have negative impacts on fishing and fish harvest.…”
Section: Discussionmentioning
confidence: 99%
“…The result of present investigation clearly indicate that Kuwano river water is not suitable for domestic usage, bathing and recreational purpose according to WQI's classification (Table 5). Midstream higher value of WQI indicating higher input of sewage from nearby municipal area (City) and accumulation of pollutants (Suthar et al, 2009;Pleto et al, 2020). The seasonal variation in WQI reflects that quality of water was comparatively better in summer season to the rainy season.…”
Section: Discussionmentioning
confidence: 99%
“…They have been misused since long time for releasing the litters. Pollution in river system imposes environmental threat and degradation such as decreased quality of fish harvest and degraded water quality for aquaculture ponds (Pleto et al, 2020). Anthropogenic activities along with Agro-industrial wastes boost the pollution level of river waters DOI No.…”
Section: Introductionmentioning
confidence: 99%
“…The toxic heavy metals released to the river can bioaccumulate in aquatic organisms that people consume, causing potential health issues to the people of Meycauayan and neighboring areas. Latest assessment of water quality of Meycauayan River indicates very poor quality [40].…”
Section: Relationship Among the Heavy Metals And Environmental Indicatorsmentioning
confidence: 99%
“…It is common in anoxic water and sediments [46]. Recent analysis of dissolved oxygen (DO) in Meycauayan River indicates a very anoxic condition of the river water [40].…”
Section: Relationship Among the Heavy Metals And Environmental Indicatorsmentioning
confidence: 99%