Twin Lakes, Lake Pueblo, Green Mountain, Ruedi and Colorado-Big Thompson update

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From email from Reclamation (Kara Lamb):

[Ruedi] Now that spring has arrived, we are getting ready for spring run-off in the Fryingpan River Basin. We are looking at a slightly above average snow pack this year. As a result, beginning [April 10], we will start moving some water out of Ruedi Reservoir to make room for melting snow. At 6:00 p.m. this evening, we will increase our releases from Ruedi Reservoir to the Fryingpan River by 40 cfs. Rocky Fork Creek is currently running at about 5 cfs. Our release, plus the Rocky Fork, will put about 153 cfs total in the ‘Pan.

[Green Mountain] Just a quick head’s up about spring and Green Mountain Reservoir. As most of you have probably already noticed, we are only at an elevation of 7894 in the reservoir [April 10]. We are also releasing about 100 cfs from Green Mountain to the Lower Blue. We are anticipating run-off and getting ready for the on-coming season.

[Twin Lakes/Lake Pueblo] Today [April 10], we are releasing about 27 cfs from Twin Lakes Reservoir to Lake Creek (which flows into the Arkansas). The Wellsville gage on the Arkansas River is showing 273 cfs. We have 380 cfs flowing into Pueblo Reservoir. And the reservoir is currently sitting at an elevation of 4879.

[Colorado-Big Thompson] Today [April 10] on the C-BT, we are releasing about 63 cfs from Olympus Dam in Estes Park to the Big Thompson River. Pinewood Reservoir is looking pretty full at an elevation of 6575. And, we are still pumping to Carter Lake. Carter is also getting close to full with an elevation of 5753.

There is some regular maintenance work being conducted on the portion of the Charles Hansen Feeder Canal which runs water to Horsetooth. For this reason, water into Horsetooth has dropped off over the past couple of weeks. It has been sitting fairly consistently at an elevation of 5404–about ten feet below our average spring high of 5414. Once the work on the canal is complete, we will stop pumping to Carter and begin running water to Horsetooth, again.

If you’ve been following the snowpack information, you no doubt will have heard by now that Colorado is just slightly below average in most of its river basins. The South Platte basin is one that is sitting just below average. It has been somewhat dry this winter on Colorado’s eastern plains. The spring snow storms helped a little, but that early heat wave we had in March did melt some of the snowpack away.

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