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Water Quality Testing

Current Thurston County water quality testing activities:

Ambient Lake Monitoring (see 2016-2018 reports below)
  • Monthly for 6 months from May – October 
  • Routine pro-active monitoring – purpose is to monitor long-term water quality trends
  • Done from a boat in the deepest part of the lake
  • Currently conducted at nine lakes:  Summit, Ward, Black, Deep, St. Clair, Long, Hicks, Pattison, Lawrence
  • Funded through stormwater fees and lake management district assessments
Parameters:
  • Temperature, pH, dissolved oxygen, specific conductivity are collected at 1 or 2 meter increments through the entire water column
  • Water clarity and color
  • Nutrient samples (total phosphorus, total nitrogen) are collected at the surface and bottom.
  • Composite samples from the upper/warmer part of the lake (epilimnion) are collected for Chlorophyll-a and algae identification

Toxic Algae Monitoring
  • As alerted to algae blooms
  • Complaint/response monitoring – purpose is to test water and algae scum for presence of toxins and determine when to post an advisory
  • Done from shore or dock

Report an algae bloom and lots more info on the topic:
Thurston County Environmental Health

Thurston County Summit Lake Water Quality Reports: 2016, 2017, 2018
​
summitlake2016wq.pdf
File Size: 509 kb
File Type: pdf
Download File

summitlake2017wq.pdf
File Size: 593 kb
File Type: pdf
Download File

summitlake2018wq.pdf
File Size: 1783 kb
File Type: pdf
Download File




Copyright © 2017
  • HOME
  • Triathlon
  • SLCA
    • Org details
    • Club House Rental
    • RV & Trailer Camping
    • Lake Clean-up
    • Events
    • Where are we?
  • Boat Parade
  • Car-Show
  • Sponsors
  • Join
  • Calendars
    • 2025 Events Calendar
    • 2025 Clubhouse rentals and use
    • 2025 RV Space Availability
  • Local Links
  • Contact us
  • The Lake
    • Lake Rules
    • Lake Water Levels >
      • Water Level Archives
    • Lake Water Quality >
      • How can I help?
      • Water Testing
      • Algae Blooms
      • Fertilizer
      • Septic Systems
      • Storm Water Mangement
      • Interesting Links
  • Camp T'Bird
    • Camp T'Bird archive
  • Emergency Prep
  • Gallery
    • 2023 Car Show Pictures
    • Picnic&CarShow
    • Gallery2
    • Parties & Events
    • Fun
    • Projects
    • Historical
    • Scenic
  • Reimbursements