"Under the Kenya National Water Resources Management Strategy (2006), water quality parameters are prescribed for different bodies of water based on their Resource Quality Objectives (RQO). RQOs are determined for a given body of water based on its ecological, commercial and livelihood importance. The lower Mara River, where these samples were taken, has been identified by the Lake Victoria South Catchment Management Authority of Kenya as being of high ecological importance, which should correspond to turbidity levels not exceeding 50 NTU. We have measured turbidity at this site 35 times in the last 18 months, and we have only documented turbidity levels below 50 once-- 43.2 NTU on Jan 11, 2009."
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