Yukon-Koyukuk Census Area County Lake Quality
Alaska, 1 lake, measured by Alaska DEC
Yukon-Koyukuk Census Area County has 1 monitored lake — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. The 1 monitored lake in Yukon-Koyukuk Census Area County carries whatever clarity, phosphorus, and chlorophyll-a readings Alaska DEC has published, shown as reported.
Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed.
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Quick Answers for Yukon-Koyukuk Census Area County
Planning a trip? Check special fishing regulations for Grayling Lake — or check the official Alaska fishing regulations.
All Lakes in Yukon-Koyukuk Census Area County
1 lake · 0 ranked on readings, 1 without enough sampling0 lakes ranked on readings · 1 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| Grayling LakeYukon-Koyukuk Census Area | No recent samples | 200 µg/L | No recent samples | No recent samples | Not recorded |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
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Source: the Alaska Department of Environmental Conservation. See data sources.