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龍德工業區事業廢水稽查管制成果調查報告

Monitoring and Pollution Control on the Sewers System of Lung-Der Industrial Area

摘要


本報告係本局為了維護新城溪水體水質之永續利用及徹底解決龍德工業區十多年來無法解決之污染事件,乃自民國八十二年五月起至八十三年底止擬定計畫,針對工業區內豐祥大排及德興一路下水道,共計長約三千公尺,進行潛水調查及複查,以瞭解下水道內排放系統及有效追蹤非法排放污染源;同時委託學術單位針對工業區內各廢水處理廠做功能評鑑,藉以瞭解各廢水處理廠設施之功能;期間並屢次邀請未納管廠商座談,協商其將廠水納入工業區廢水處理廠處理;另對新設工廠則要求其先將生活雜排水及製程廢水,納入工業區廢水處理廠,並取得證明始准設立。綜觀調查成果如下:(一)工業區污水下水道內並無發現私設暗管,僅於各廠區雨水下水道內發現數起暗管。(二)造成龍德工業區數年來污染事件層出不窮之主因,係屬台化龍德廠廢水處理廠功能不足及利用雨水下水道長年排放廢水所致。(三)至八十三年八月底止龍德工業區內之廠家,除台化龍德廠廢水之自行處理外,餘皆已完成納管,台化龍德廠並於八十三年十月擴建完成廢水處理廠,且龍德工業區自八十三年十月底迄今已無因違反水污染防治法而遭罰鍰之事件發生。(四)八十二年六月調查時下水道內毫無生機且空氣品質嚴重惡化,至八十三年複查時已發現有青蛙、螃蟹、蜘蛛、蟑螂及大群吳郭魚棲息其間。

並列摘要


In order to preserve the water quality of Hsin-Cheng Hsi for sustainable uses and to resolve the long-term pollution problem of Lung-Der Industrial Area, an investigation program was established to survey and resurvey of the sewers systems of Feng-Hsing Da-Pai and Der-Hsing I Road from May 1993 to December 1994. We also sponsored a research institute to study and to evaluate the proper function of wastewater treatment plants in the Industrial Area. Meanwhile, we persuaded those factories that do not have wastewater treatment facilities to discharge their wastewater into the wastewater treatment plant of the Industrial Area. We also asked new factories to discharge their sanitary sewage and manufacturing wastewater into the wastewater treatment plant before they could get the operation permissions. The results of this monitoring program reveal that: (1) No private drainpipes were found except on the stormwater sewers; (2) The long-term pollution of Lung-Der Industrial Area was mainly caused by the improper function of wastewater treatment system and the illegal discharge of untreated wastewater of the Lung-Der Factory, Taiwan Chemical Company; (3) All of the factories discharge their wastewater into the wastewater treatment plant in the Lung-Der Industrial Area except the Lung-Der factory, Taiwan Chemical Company and the latter-had lanuched their new wastewater treatment system in October 1994 and since then no illegal discharge was found; (4) Pollution on the sewers system has been greatly improved, frogs, crabs, spiders, cockroaches and tilapia fish were found during the resurvey in 1994 in comparison with survey data in June 1993 when no living macroorganism was found and the air was heavily polluted.

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