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<br />1 <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />HYDROLOGY <br /> <br />II-9 <br /> <br />LOW FLOW HYDROLOGY <br />During drought years the flow in the South Platte River is low. Monthly <br />average discharges for 1978 (dry year) at two locations in the corridor are <br />shown in Table II-6. <br /> <br />TABLE 1I-6 <br />SOUTH PLATTE RIVER LOW FLOW HYDROLOGY <br />Average Monthly flows in cfs <br />Dry Year <br />(1978 ) <br /> <br /> Littleton Denver Gage <br />Month Gage at 19th St. <br />January 39 78 <br />February 44 84 <br />March 56 95 <br />April 51 102 <br />*May 82 218 <br />*June 164 229 <br />*July 274 294 <br />*August 146 197 <br />*September 58 88 <br />October 42 67 <br />November 60 116 <br />December 36 84 <br />* Boating season <br /> <br />For the long-term future, the prospect for flows below Chatfield Reservoir <br />to accommodate sewage treatment plant effluent dilution, satisfy irrigation <br />needs, flush petroleum products, maintain aquatic and terrestrial wildlife <br />habitat and provide adequate flow for boating activities appears poor under <br />present river management policies. <br /> <br />