Pattison Lake Association 2026 events will be listed in the December and January newsletters.
Donations from lake residents cover association costs: Donate today.
Learn about the Pattison Lake Management District (PLMD). Meeting dates, times and locations are listed on the PLMD website. Property owners are welcome to attend.
Fall 2025. Breaking news: The invasive Eurasian Watermilfoil was discovered in Pattison Lake near the boat launch and South Cove. It was treated in mid-October. For details, see the newsletter. If you didn’t receive it, send the PLA your email or sign up here. Below: Cartographer: Jennifer Cutler.
Eurasian Watermilfoil samples from Pattison Lake in September 2025. Photos by Jane Poole. Treatment was done in mid-October 2025. Learn to prevent spreading Eurasian Watermilfoil on Pattison Lake. Watch this video for tips from Wes Glisson, aquatic plant specialist, WA Department of Ecology, speaker at PLA meeting.
North (left side in the photo) and South basins of Pattison Lake in September 2024.
Belted Kingfisher. By Dianna Evans.
Pattison Lake is a tranquil lake surrounded by tall evergreen trees. Located in Thurston County, a small portion of the lake is in City of Lacey.
Pattison Lake Association is 501(c)(4) non-profit organization organized by lake residents who value lakeside living and lake ecology.
Anglers and boaters use the lake year round. There is a Washington Department of Fish & Wildlife boat launch at the south basin. The 5 mph or no-wake boat speed limit maintains the peaceful nature of the lake. Many residents enjoy swimming in Pattison Lake. The lake has two basins: North and South.
North Pattison Lake’s shoreline is 1.7 miles or about 9,000 feet. The lake covers 81 acres.
Depth: 14’ mean, 22’ maximum . Water source: Water is incoming from Hicks Lake. It is also fed by underground aquifers and rainwater . There are several private community access beaches around the North basin; those are homes that have private community lakefront property for their personal use.
South Pattison Lake has 4.6 miles of shoreline. It is 190 acres.
Depth: 13’ mean, 19’ - 25’ maximum . Water source: Groundwater fed plus rainwater fed. There is one neighborhood, South Cove, that has a private community lake access.