Analysis of the Physicochemical Burden of Oyo State Fish Pond, Ibadan, Southwest Nigeria

Journal of Applied Sciences and Environmental Management

BABATUNDE, B.B.¹  WOKE, G.N.¹ 

关键词: fish pond;    wastewaters;    Physico-chemical analysis;   

DOI  :  

学科分类：环境科学（综合）

来源: University of Port Harcourt * Department of Pure and Industrial Chemistry

【 摘 要 】

Physicochemical characteristics of the Oyo State fish pond (OYSFP) wasanalysed to assess the water quality status in relation to the fish produced in the pond forhuman consumption. The pond was originally designed to control storm waters from the highlands around but was later converted for the purpose of commercial fish production and otheruses by the State Government. The pond is a recipient of tributaries of wastewaters fromPremier Hotel (PHWW), Coca Cola bottling plant (CCWW), University of Ibadan TeachingHospital (UCHWW) and Bodija Residential area (BDJWW). Results of the physico-chemicalparameters showed most of the parameters were higher than the maximum permissible limitsfor surface waters and discharge of wastewaters into surface waters. Premier Hotelwastewater (PHWW) had the lowest pH value of 6.41 and the most acidic of all thewastewaters sampled. OYSFP recorded the lowest dissolved oxygen value of 2.03mg/L andthe highest BOD, COD, nitrate, TS and conductivity values of 78.04mg/L, 235.26mg/L, 78mg/L, 1428.50, 947μS/cm respectively. The highest sulphate value of 248 mg/L was recordedfor BDJSW, this was probably due to runoffs from vegetable gardens along the streambearing inorganic fertilizers. Other macroscopic observations showed that PHWW was slimyto touch, fowl smelling, dark in colour and had animal life forms such as maggots and flyinginsects residing in it. CCWW was brownish in colour and slightly smelly and fishes weresighted. OYSFP was dark, muddy, fowl smelling, the surface was covered by aquatic weedspredominantly water hyacinth. UCHWW was transparent, foamy, slimy, slightly smelly andno animal life was sighted in it. BDJWW was clear, no odour, animal life forms including fishand surface arthropods were sighted. Results of physicochemical parameters reported in thepresent study indicate contamination in OYSFP and fish produced there may not be suitablefor human consumption.

【 授权许可】

Unknown