Maskinongé County, Québec · Water Quality Report Card
Lac Jackson
Lac Jackson in Maskinongé, Québec received a water quality grade of B (Good). Water clarity: 3 m visibility. Phosphorus: 7.8 µg/L. Chlorophyll-a (algae): 2.1 µg/L.
- Clarity
- 3 m
- Type
- Oligotrophic
Lac Jackson is a cold, clear oligotrophic lake in Maskinongé County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 31 other monitored lakes in Maskinongé County, Lac Jackson ranks #24 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Jackson 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
Moderate clarity, visible to about 9.8 ft. Phosphorus level: 7.8 µg/L. Chlorophyll-a: 2.1 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 m | C |
| Phosphorus | 7.8 µg/L | A |
| Chlorophyll-a (Algae) | 2.1 µg/L | A |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lac Jackson
Compare lakeside cabins, hotels, and vacation rentals near Lac Jackson in Maskinongé, 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 Jackson
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 Jackson?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Jackson — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Jackson
Location
County Ranking
Ranked #24 of 32 lakes in Maskinongé
Cleaner Lakes Within 30 Miles
Lac Jackson holds Grade B. 4 nearby lakes hold higher grades.
- ALac En CroixMaskinongé · 3.4 mi · Higher grade (B → A)
- ALac GouletMaskinongé · 3.6 mi · Higher grade (B → A)
- ALac DroitMaskinongé · 3.9 mi · Higher grade (B → A)
- ALac GaucheMaskinongé · 4.1 mi · Higher grade (B → A)
Nearby Lakes in Maskinongé
Explore Lac Jackson across LakeGrade
More Québec Lake Rankings
Other Grade B Lakes in Québec
Oligotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Jackson 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: