Pattison Lake annual meeting is Nov. 6, 7-9 p.m. at the Lacey Community Center. Register.
Donations from lake residents cover 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.
September 2025: Breaking news: The invasive Eurasian Watermilfoil has been found in Pattison Lake near the boat launch and South Cove. WDFW boat launch closed Oct. 1 - Nov. 1 for treatment and to avoid spreading the plant. For details, see the recent 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. Prevent spreading Eurasian Watermilfoil. Learn more at the Nov. 6 PLA annual meeting, 7-9 p.m., Lacey Community Center.
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.