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OJil432 Table 1, Subreaches and nodes along Fountain Creek used in the original transit-loss accounting program E 1 Fountain Creek at lhe mouth None lDiversion points for the Lock. Ditch and North Liston and Love Ditcll. whicb were at node 82 (Kuhn. 1988. table 2), were moved to lhe diversioD point for the Chilcone Ditch after the transit-loss study was completed. 1Dr. Rogers Ditch was added to the accounting program after the transit-loss study was compleled. Creek at the CCS wastewater-treatment facility (WWTF); (2) daily mean discharge at each of the five gaging stations along Fountain Creek (fig. 2; table I); and (3) daily mean discharge at each of the diversions (table 1) operating along Fountain Creek. Return-flow discharge data are readily available from the CCS, which has accurate and reliable accounting procedures for its water-supply and return-flow systems. Discharge data for the diversions are readily available from the Colorado Division of Water Resources. Water District 10 water commissioners, who admin- ister the diversion priorities for Fountain Creek and maintain daily information of diversion quantities, Daily mean discharge data at the gaging stations are available from a closely monitored, automated data-collection system that is described in the "Streamflow-Gaging Station Network on Fountain Creek" (p. 12-14) section. Because of an approximate I-day traveltime between the CCS WWTF and the mouth of Fountain Creek, different 24-hour periods are used at each of the gaging stations to compute daily mean discharge (fig. 3). It is evident from figure 3 that data over a 2-day period are needed to compute the transit loss for the TRF release on a given day; however, all the required input data are not available until after the 2-day period has ended. Therefore, 6 Descrtptlons of the Program Changes (1989-97) and a User Manual for a Tran8lt~LoS8 Accounting Program Applied 10 Fountain Creek Between Colorado Sprlnga and tha Arkan88. River, Colorado