Thunderbird Lake in Boulder: Let it go dry or fill it with tap water?
The lake at Burke Park in south Boulder is called Thunderbird Lake. And it just doesn’t seem to want to be a lake all that much. When it started drying up a few years back, the city wondered what to do — and decided to keep it full with city water. Now it’s time to revisit that decision.
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The City Council in February 2009 decided to use the citys irrigation system to add water to the lake, in addition to the use of pumps to keep the water circulating.Tahnee Schields takes her dog Anubis for their daily walk around Thunderbird Lake at Admiral Arleigh A Burke Park in Boulder last Thursday. | Greg Lindstrom for the Camera
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The waterings are estimated to cost between $24,000 and $43,000 annually, plus a one-time cost of between $40,000 and $85,000 to modify the parks irrigation system.The pilot watering program is scheduled to end next year.
If the council wants to make the waterings permanent, the Parks and Recreation Department may have to transfer $250,000 to the citys water utility division in 2011 to cover the cost of the tap. The city does not bill itself for water use, but departments are responsible for a plant investment fee that helps cover the cost of the extra burden on the citys water-treatment system.
There’s also this:
Plass acknowledged that it’s “a little bit problematic when you take tap water to fill a lake,” but he supported keeping the lake full because the city would use about the same amount of water to maintain grass that covers the same area.
via Maintaining Boulders Thunderbird Lake could be costly – Boulder Daily Camera.




