1
ASandy Lake
Peterborough County, Ontario · 15.7 mi from Pigeon River Lake
- +Higher grade (B → A)
- ++8.2 ft water clarity
- +Lower phosphorus (6.4 vs 22.9 µg/L)
Cleaner Lakes Than Pigeon River Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Pigeon River Lake carries a Grade B (Good) water quality score. Within 30 miles, 5 lakes hold a higher grade. Sandy Lake (Peterborough County, Grade A, 15.7 mi away) is the closest meaningful upgrade.
Reviewed by LakeQuality Editorial Team · Updated
2
BChemong Lake
Peterborough County, Ontario · 8.6 mi from Pigeon River Lake
- +Higher overall water quality score
- ++1.6 ft water clarity
- +Lower phosphorus (16.1 vs 22.9 µg/L)
3
BSturgeon Lake
Central Ontario County, Ontario · 12.9 mi from Pigeon River Lake
- +Higher overall water quality score
- ++2.6 ft water clarity
- +Lower phosphorus (16.1 vs 22.9 µg/L)
4
BPigeon Lake
Peterborough County, Ontario · 13.2 mi from Pigeon River Lake
- +Higher overall water quality score
- ++2.9 ft water clarity
- +Lower phosphorus (16.9 vs 22.9 µg/L)
5
BBuckhorn Lake
Peterborough County, Ontario · 14.9 mi from Pigeon River Lake
- +Higher overall water quality score
- ++2.6 ft water clarity
- +Lower phosphorus (17.8 vs 22.9 µg/L)
Reading the cohort
Within 30 miles of Pigeon River Lake, 5 water bodies score higher than its Grade B on the same EPA water-quality metrics. That density of cleaner options is itself a signal — when several nearby lakes score better on the same indicators, the issues at Pigeon River Lake are typically lake-specific (depth, watershed inflow, stratification pattern) rather than regional. The choice for a swim, paddle, or fishing trip is genuinely between meaningfully different water bodies, not between marginal differences in the same dataset.
The nearest cleaner alternative — Sandy Lake in Peterborough County — sits 15.7 miles from Pigeon River Lake, putting it firmly in "destination trip" rather than "neighborhood swap" range. The water-quality gap has to be the deciding factor; for a casual outing, Pigeon River Lake is the practical choice and the cleaner options are reserved for purpose-specific visits.
The EPA water-quality grading combines clarity (Secchi depth), phosphorus, and chlorophyll-a measurements from state environmental sampling. A higher letter grade reflects measurably cleaner water on those indicators, not subjective beauty or access quality — a Grade A lake might have worse boat-launch facilities or shoreline access than a Grade C neighbor, so the ranking is one input alongside the rest of trip planning. See the methodology page for the full grading formula.
How this list is built
Every lake on LakeQuality has a calculated grade from EPA Water Quality Portal samples — secchi depth, total phosphorus, and chlorophyll-a measured against Metropolitan Council thresholds. To suggest cleaner alternatives, we filter lakes within 30 miles to those with a strictly higher numeric score, then rank by grade improvement with a small proximity tiebreak. Cross-state and limited-data lakes are excluded so the list stays locally relevant.