Canyon County Lake Quality
Idaho, 2 lakes, measured by Idaho DEQ
Canyon County has 2 monitored lakes — 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. 1 of those lake carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. On average, Canyon County lakes carry some of the lowest phosphorus and chlorophyll-a readings in Idaho, with clear summer transparency across most monitored basins.
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. Lake Lowell Across From Upper Embankment has the lowest nutrient and algae readings in the county.
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Quick Answers for Canyon County
Planning a trip? Check special fishing regulations for Lake Lowell Across From Upper Embankment — or check the official Idaho fishing regulations.
All Lakes in Canyon County
2 lakes · 1 ranked on readings, 1 without enough sampling1 lake ranked on readings · 1 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Lake Lowell Across From Upper EmbankmentCanyon | 7.2 ft | 26 µg/L | 5.6 µg/L | No recent samples | ✓ Public |
| Jensen LakeCanyon | No recent samples | No recent samples | 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 Idaho Department of Environmental Quality. See data sources.