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Station operated by the U.S. Geological Survey in cooperation with Colorado Water Conservation Board.
The discharge rating is being developed for this site. Multiple measurements of discharge, in cubic feet per seconds (cfs), at a variety of gage heights (stage) are needed to develop the stage-discharge relationship known as the rating. The discharge (cfs) will be computed and added to this site as soon as it is available.
In 1991, a water-quality sampling site on LOUTZENHIZER ARROYO AT N. RIVER ROAD (383946107595301) was established in NWIS and used by members of the National Irrigation Water Quality Program (members included the U.S. Geological Survey, U.S. Fish and Wildlife Service, and the Bureau of Reclamation). The site was used to determine baseline water-quality for a wide variety of constituents as well as track trends in selected constituents over longer periods. On April 19, 2013 the site was moved downstream approx. 0.4 miles and a streamflow gaging station was added to assist in calculating constituent loads and trends. The streamflow gage was placed as close to the original sampling site as possible, but could not be placed at the original site on N. River Road due to property ownership issues. The name of the site was changed from LOUTZENHIZER ARROYO AT N. RIVER ROAD, CO to LOUTZENHIZER ARROYO BLW N. RIVER ROAD NR DELTA, CO., (same station number). Water-quality sampling continues at this site until present. Later on in 2013 it was evident that the gage was negatively affected by a diversion structure approximately 375 feet downstream. (The effect of the diversion structure on streamflow was only apparent during the irrigation season, April 1 to October 31.) To address the irrigation season issues, the streamflow gage was moved to the current location (383926107593001 LOUTSENHIZER ARROYO AT HWY 50 NEAR OLATHE, CO) on December 16, 2014. Discharge at the two locations is considered equivalent.
Value Aug 17