Volume No. 8 Issue No.: 3A Page No.: 841-845 Jan-Mar 2014

 

IMPACT OF LAND USE ON URBAN STORM WATER QUALITY WITH RESPECT TO NUTRIENTS AND SUSPENDED SOLID LOADS

 

Khatun Abeda*, Sarma Hari Prasad1 and Bhattacharyya Krishna Gopal2

1. Department of Environmental Science, Gauhati University, Guwahati, Assam (INDIA)
2. Department of Chemistry, Gauhati University, Guwahati, Assam (INDIA)

 

Received on : September 14, 2013

 

ABSTRACT

 

The change in land use due to urbanisation significantly impacts water environments with increased run-off and degradation of water quality. The aim of this study was to understand the impact of land use on urban stormwater quality and to identify the areas of critical pollution. These areas can then be treated as important for applying Best Management Practices (BMPs). Stormwater samples were collected from five different land use areas, residential, commercial, recreational, heavy traffic and industrial lands around Guwahati city, Assam (India) and analysed. From the analysis, it was found that the stormwater quality varies with land use type. In industrial and commercial land use the pollutants exceeded the guideline values as per Indian National Standards. The spatial variation of the distribution of pollutants in stormwater was highly influenced by the surrounding land use type. Overall, the industrial land use site was identified as the site that produces the worst quality stormwater.

 

Keywords : Land use, Stormwater, Water quality, Pollution, BMPs

 

 

BACK