Mékinac County, Québec · Water Quality Report Card
Lac Froid
Lac Froid in Mékinac, Québec received a water quality grade of B (Good). Water clarity: 1.2 m visibility. Phosphorus: 11.2 µg/L. Chlorophyll-a (algae): 6.8 µg/L.
- Clarity
- 1.2 m
- Type
- Mesotrophic
Lac Froid is a mesotrophic lake in Mékinac County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 24 other monitored lakes in Mékinac County, Lac Froid ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Froid water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 3.9 ft. Phosphorus level: 11.2 µg/L. Chlorophyll-a: 6.8 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.2 m | D |
| Phosphorus | 11.2 µg/L | A |
| Chlorophyll-a (Algae) | 6.8 µg/L | B |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Froid
Compare lakeside cabins, hotels, and vacation rentals near Lac Froid in Mékinac, Québec — 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.
Top-rated places to stay near Lac Froid
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Lac Froid?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Froid — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Froid
Location
County Ranking
Ranked #23 of 25 lakes in Mékinac
Cleaner Lakes Within 30 Miles
Lac Froid holds Grade B. 5 nearby lakes hold higher grades.
- ALac ÉMeraudePortneuf · 2.8 mi · Higher grade (B → A)
- ALac BlancPortneuf · 1.3 mi · Higher grade (B → A)
- ALac CarillonPortneuf · 4.3 mi · Higher grade (B → A)
- ALac Sainte-AnnePortneuf · 4.3 mi · Higher grade (B → A)
- BLac PerreaultPortneuf · 0.6 mi · Higher overall water quality score
Nearby Lakes in Mékinac
Explore Lac Froid across LakeGrade
More Québec Lake Rankings
Other Grade B Lakes in Québec
Mesotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Froid come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2025-08-01
Monitoring stations: