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    Water quality of the rivers Mandovi and Zuari during 1977-78

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    Earth_Resour_Goa_Dev_1981_549.pdf (357.2Kb)
    Date
    1985
    Author
    SenGupta, R.
    Singbal, S.Y.S.
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    Abstract
    A study over a period of twelve months for the different indicators of water quality was carried out in the rivers Mandovi and Zuari from October 1977 to September 1978. The study covered observations in both the rivers from close to the source to the sea. To delineate the recipient capacities for sewage and effluents, the stretches of the rivers upto the last loading points for ores have been considered; while to judge their suitability as sources for raw water for public water supply only the zone, which is beyond the extreme point of penetration of the salt front, in the rivers has been examined in detail. Comparisons of conditions in the rivers Mandovi and Zuari with the prescribed tolerance limits for industrial effluent discharge into inland surface waters were made and it was observed that except the total suspended solids, oils and grease, the rest of the components are well within the maximum tolerance limits in the ISI standard. It has been concluded that both the rivers have a fairly good water quality as at present. But adequate measures have to be adopted to reduce or at least to maintain the present level of concentration of all the components. This should be carried out by establishing a regular monitoring network as a safeguard to maintain the present quality of water of the two rivers
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    http://drs.nio.org/drs/handle/2264/6395
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