For assistance with your myAlaska account, 1-866-377-0126 (Hours: M, T, W & F from 8:00 AM - 4:30 PM. Thurs from 8:00 AM - 4:00 PM)
Check out the myAlaska FAQs.
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FAQs: https://dec.alaska.gov/water/edms
Support information for many of the State of Alaska services available through myAlaska.