| Title |
Quality Assessment of the Nationwide Water Pollution Source Survey Results on the Prioritized Toxic Water Pollutants from Industrial Sources in the Geum-River Basin by Exploratory Data Analysis |
| Authors |
김은아 ( Eun Ah Kim ) ; 김연숙 ( Yeon Suk Kim ) ; 김용석 ( Yong Seok Kim ) ; 류덕희 ( Doug Hee Rhew ) ; 정제호 ( Je Ho Jung ) |
| DOI |
https://doi.org/10.15681/KSWE.2014.30.6.585 |
| Keywords |
GIS; industrial wastewater; pollutant unit-load; prioritized toxic water pollutant; water pollution source survey |
| Abstract |
The temporal trends of the prioritized toxic water pollutants generated and discharged from the industrial facilities in the Geum-River basin, Korea were analyzed with the results of the nationwide Water Pollution Source Survey conducted in 2001 ? 2012. The statistical results indicated rapid increase in the volume of raw toxic wastewaters whereas the amount of each toxic pollutant kept fluctuating for 12 years. Serious discrepancies in the survey data of the same type of industries demonstrated a low reliability of the survey result, which stemmed from several error factors. A unit-load for each type of industrial facility was devised to estimate the amount of prioritized toxic water pollutant based on the total volume of industrial wastewater generated from the same type of industrial facilities. The supplementary measures with an effective permit issuance policy and adding survey parameters of terminal wastewater treatment plants to use them as references to the Water Pollution Source Survey were suggested as means to minimize the errors associated with the false reports from the industries. |