Two varieties of mussels that have become a nuisance are putting a financial strain on resources used to keep them out of Colorado lakes and reservoirs.
Colorado Parks and Wildlife senior aquatic biologist Doug Krieger says it's expensive to clean water delivery systems once they get clogged by zebra and quagga mussels.
The Summit Daily reports state funding has started drying up and more money is needed to inspect boats and guard lakes after the state eliminated $4 million in funding.
As of July 1, officials say they are dipping into a reserve fund, and they are hoping to find new funding in the future.
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