Portneuf County, Québec · Water Quality Report Card
Lac à la Hache
Lac à la Hache in Portneuf, Québec received a water quality grade of B (Good). Water clarity: 1.4 m visibility. Phosphorus: 10.2 µg/L. Chlorophyll-a (algae): 2.3 µg/L.
- Clarity
- 1.4 m
- Type
- Mesotrophic
Lac à la Hache is a mesotrophic lake in Portneuf County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 22 other monitored lakes in Portneuf County, Lac à la Hache ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 4.6 ft. Phosphorus level: 10.2 µg/L. Chlorophyll-a: 2.3 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.4 m | D |
| Phosphorus | 10.2 µg/L | A |
| Chlorophyll-a (Algae) | 2.3 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac à la Hache
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Fishing Lac à la Hache
Location
County Ranking
Ranked #23 of 23 lakes in Portneuf
Cleaner Lakes Within 30 Miles
Lac à la Hache holds Grade B. 5 nearby lakes hold higher grades.
- ALac ÉMeraudePortneuf · 1.1 mi · Higher grade (B → A)
- ALac à L'AnguillePortneuf · 3.9 mi · Higher grade (B → A)
- ALac CarillonPortneuf · 1.4 mi · Higher grade (B → A)
- ALac BlancPortneuf · 2.2 mi · Higher grade (B → A)
- ALac du CastorMékinac · 3.5 mi · Higher grade (B → A)
Nearby Lakes in Portneuf
Explore Lac à la Hache 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 à la Hache 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: 2024-08-01
Monitoring stations: