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<br />e <br /> <br />e <br /> <br />GENERAL INTRODUCTION <br /> <br />There are approximately 250 business establishments or <br /> <br />industries in the City of La Porte. A large number of these <br /> <br />industries discharge their wastes directly into our municipal <br /> <br />wastewater facilities. These discharges may contain significant <br /> <br />quantities of toxic pollutants and other substances that can <br /> <br />profoundly affect the treatment system and possibly interfere <br /> <br />with its performance. Some of these pollutants may "pass through" <br /> <br />the treatment works unchanged and thus be responsible for <br /> <br />contaminating our receiving stream or cause immediate damage to <br /> <br /> <br />the appearence of a well groomed fairway or"green on La Porte's <br /> <br />new Golf Course. In some cases toxic metals will end <br /> <br />up as part of the municipal sludge, a condition that can result <br /> <br />in an ultimate disposal problem. An effective industrial <br /> <br />wastewater control program is an essential part of La Porte's <br /> <br />future as a successful community. <br /> <br />Conventional pollutants such as <br /> <br />are capable of causing a plant <br />over periods of time will <br />system. <br />concrete structers: <br /> <br />BOD <br />TSS <br />oil & grease <br />Ph <br />upset and in high concentrations <br />cause corrosion to the collection <br /> <br />manholes <br />concrete <br /> <br />pipe <br /> <br />steel structers: <br /> <br />lift station pumps & motors <br />steel pipe <br />