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LakeQuality

Updated Aug 2026

Newfoundland and Labrador Lake Water Quality

Water-quality measurements for 17 lakes across 3 counties. None carries an A–F grade.

Grade Distribution

All 17 Newfoundland and Labrador lakes in the index: 0 (0.0%) carry an A–F grade and 17 (100.0%) are not rated, because no reference condition exists for lakes in this region, so the assessment thresholds behind the A–F scale cannot be applied here.

A
0
Excellent
B
0
Good
C
0
Fair
D
0
Nutrient-rich
F
0
Algae-prone
17
Not rated

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Divisions

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All 17 Newfoundland and Labrador lakes in this index carry recent water-quality measurements from Environment and Climate Change Canada and the Newfoundland and Labrador Department of Environment and Climate Change, spread across 3 counties. None of them carries an A–F grade, because no reference condition exists for lakes in this region, so the assessment thresholds behind the A–F scale cannot be applied here.

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Source: Environment and Climate Change Canada and the Newfoundland and Labrador Department of Environment and Climate Change, not the EPA. See data sources.