Lake: Ward Lake is a mesotrophic lake in Thurston County, Washington. Water quality is graded A based on 2 sampling years through 2023. Compared to the 18 other monitored lakes in Thurston County, Lake: Ward Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Washington DNR, last sampled 2023-09-26. Grade methodology: LakeGrade methodology.
Watch Lake: Ward Lake water quality
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Phosphorus level: 10.5 µg/L. Chlorophyll-a: 3.2 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 10.5 µg/L | A |
| Chlorophyll-a (Algae) | 3.2 µg/L | A |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake: Ward Lake
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Fishing Lake: Ward Lake
Location
County Ranking
Ranked #2 of 19 lakes in Thurston County
Nearby Lakes in Thurston County
Explore Lake: Ward Lake across LakeGrade
More Washington Lake Rankings
Other Grade A Lakes in Washington
Mesotrophic Lakes in Washington
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-26
Monitoring stations: 1