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LakeQuality

Chetwoot Lake

NR
Not yet rated
101 acres

Chetwoot Lake in King County, Washington is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 101 acres.

Area
101 acres

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Why Chetwoot Lake has no grade

We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Chetwoot Lake, no water-quality sampling on record for this lake.

Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.

Sampling is run by WA Ecology and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.

Chetwoot Lake is a 101-acre lake in King County, Washington.

Source: EPA Water Quality Portal sampling records, WA Ecology, last sampled recent years. Grade methodology: LakeQuality methodology.

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Swimming Safety

Not rated

Elevated nutrients

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Chetwoot Lake

These readings exist but are not enough for an A–F grade — see why.

No clarity data. Trophic State Index: undefined.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)

Where to stay near Chetwoot Lake

Compare lakeside cabins, hotels, and vacation rentals near Chetwoot Lake in King County, Washington — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Lake Details

CharacteristicValue
Surface Area101 acres

No bathymetric survey has been published for Chetwoot Lake, so its depth is not documented here.

Fishing Chetwoot Lake

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Frequently asked questions about Chetwoot Lake

Where is Chetwoot Lake?

Chetwoot Lake is a lake in King County, Washington. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.

What is the water quality grade for Chetwoot Lake?

Chetwoot Lake in King County, Washington is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 101 acres.

Is Chetwoot Lake safe to swim in?

Not rated for swimming — there is not enough monitoring data to judge this lake. Chetwoot Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.

Where this data comes from

Measurements for Chetwoot Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.