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<br />Kan8118 State Board of Agriculture
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<br />the problem involves the conservation of water for stream regulation
<br />and irrigation. In the middle and eastern portions of the basin pro-
<br />visions should be made for the stabilization of low flows to assure
<br />adequate water supplies to municipalities, industries, and for waste
<br />disposal.
<br />. Turbidity, hardness, and chloride content vary substantially with
<br />the river discharge. The median turbidity is in the vicinity of 1,000
<br />p.p.m. with maximum values persisting for a short time around
<br />50,000 p.p.m. The median hardness value is around 250 p.p.m. with
<br />a maximum of about 400 p.p.m. The median chloride content is of
<br />the order of 50 p.p.m. with maximum values around ?OO p.p.m.
<br />Ground water in this basin is in general characterized by high
<br />hardness (mostly carbonate) and high iron content.
<br />The principal areas subject. to heavy flood damage are located
<br />along the main stem and the lower portions of the major tributaries.
<br />Several towns and cities within the basin are located wholly or par-
<br />tially in the flood plains. The municipalities that have suffered the
<br />greatest losses in past floods are Salina, Junction City, Manhattan,
<br />Topeka, Lawrence and Kansas City. In recent years, partial pro-
<br />tection has been provided in Topeka, Lawrence and Kansas City by
<br />constructing levees where the greatest flood damage occurs.
<br />. There are eight cities in the state located along the main stem and
<br />tributaries that depend entirely upon the river flow for their water
<br />supply. Various industries, including power plants and the Sun-
<br />flower Ordnance Works near Eudora depend upon this source for
<br />their supply of water for cooling purposes. There have been periods
<br />in the past when the flow in the Kansas river at the large power
<br />plant riear Tecumseh was insuflici~nt for peak production. Fortu-
<br />nately, there has been plenty of water in the river 'to serve the
<br />Ordnance Works near Eudora, since its establishment, but it must.
<br />be remembered that in times past, there have been periods when the
<br />quantity of water in the river was harlily more than adequate to
<br />meet even the restricted uses of the people and industries then oc-
<br />cupying the area. In the future probably even greater demands will
<br />be made by industry upon this source of supply.
<br />In addition to the municipalities obtaining their water supply di-
<br />rect from the river, there are many communities as well as in-
<br />dustries that are supplied from wells located in the alluvial valleys.
<br />In times of low-flow in the rivers, the water level in these wells is
<br />also lowered. A regulated ~ti-eam flow would tend to recharge and
<br />maintain a higher ground water level.
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