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<br /> <br />~ <br />tv fBQ~LEM2 ~22Q~fb1~Q ~!rg ~~~~22!Y~ 2~1IN!1X <br />fQ <br />~ <br /> <br />The degradation of water quality caused by increased <br /> <br />salinity may have far-reaching, accumulative effects on <br /> <br />subsequent beneficial use. The use to which water is put <br /> <br />determines the level of quality required. A particular <br /> <br />quality may have a detrimental effect on a specific use. <br /> <br />High quality water is required for municipal use and for <br /> <br />many industrial purposes. rhe effects of moderate increases <br /> <br />in salinity on the well-being of adult aquatic animals may <br /> <br />be minimal. However, spawning of certain fish species may <br /> <br />be impaired by salinities in the range of 500 milligrams per <br /> <br />liter, or even less. Ascertaining water quality <br /> <br />requirements for aquatic life may be difficult inasmuch as <br /> <br />different species vary widely in their tolerence to salinity <br /> <br />and other dissolved substances during various life stages. <br /> <br />For other uses salinity levels can be moderately high and <br /> <br />not be particularly detrimental. Among these are water <br /> <br />skiing, swimming, boating and hydroelectric power generation <br /> <br />and some commerical applications. <br /> <br />Water is ordinarily categorized in terms of its <br /> <br />suitability for municipal, industrial, agricultural, and <br /> <br />recreational uses. Some specialized industrial uses such as <br /> <br />pharmaceutical, food processing, textile manufacturing, and <br /> <br />23 <br /> <br />- <br /> <br />