Advisory updates and other information to encourage safe recreation

September 8, 2023 Update

Advisory information listed below:

NO CURRENT ADVISORY

  • Vancouver Lake
  • Battle Ground Lake
  • Klineline Pond
  • Round Lake


There are no current advisories at these lakes. To report a suspected harmful algal bloom or other water quality concern, go here.

WARNING ADVISORY


  • Lacamas Lake

WARNING advisory has been issued due to a reported harmful algal bloom that tested for cyanotoxins above recreational guidance at this lake.


Public Health advises against swimming, boating, or using water for drinking or cooking. Keep kids and animals away from water. Do not fish in areas of scum.


Cyanotoxin results can be viewed at the Washington State Toxic Algae website. Advisory will remain in place until toxicity levels are below threshold for 2 consecutive weeks.

Next Sampling Dates

  • E.coli/bacteria: September 19th
  • Harmful Algae/Cyanobacteria: September 11th
View advisory map
More information on harmful algal blooms
Report a Suspected Bloom

What's the First Flush?

We don't want summer to end either but the rain is coming! The "first flush" happens after rain fall when a summer’s worth of pollution washes into streams and waterbodies.


After a dry spell, our roads, highways, sidewalks, driveways, and other hard surfaces build up sediment, heavy metals, oils, pesticides, fertilizers and pollutants. All of this unseen or unnoticed material is transported by the rain into ditches, storm drains, and nearby water bodies.


We're still monitoring for E. coli and toxic algae so stay tuned and try to avoid swimming after it rains.

First Flush

Be aware: Lacamas Lake Drawdown


Mid-September marks the start of the annual Lacamas and Round Lake drawdown. This activity allows for shoreline clean up and necessary dam maintenance at Lacamas & Round Lakes. Unfortunately, the lower water level often triggers a large harmful algal bloom. If you plan on assisting with clean up efforts or visiting the lakes during this time, please be mindful to stay away from the water if a bloom is present.

Lacamas Lake drawdown bloom 2022

Have a swim beach related question? Ask us here!

Have a safe and fun swim season!

To stay up to date on our harmful algal bloom monitoring, follow us on Facebook or Twitter.

Our weekly newsletter updates will continue through Labor Day 2023, our monitoring of blooms will continue through this fall. Follow us on Facebook and Twitter for advisory updates.

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For more resources, previous newsletters, and other information about our beach/lake monitoring, visit our website FAQ page.
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Current Advisories

Clark County Public Health | clark.wa.gov/public-health

1601 E. Fourth Plain Blvd, Building 17

Vancouver, WA 98661