Contact Us City of Blue Lake Hours: 9 a.m. - 12, 1-4 p.m. Closed 12-1 pm for lunch City Hall PO Box 458 111 Greenwood Rd Blue Lake, CA 95525-0458707-668-5655Main OfficeParks & Recreation 707-668-5932Office PhonePublic Safety For emergencies dial 911707-445-7251Humboldt County SheriffPublic Works For water, wastewater & street emergencies707-702-1014Emergency Line