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LakeQuality

Nalla Lake

Thunder Bay District, OntarioView mapDirections

Ontario MECP publishes the water-quality measurements for Nalla Lake. Here is what has been measured.

Clarity
4 m
Typical for Ontario
Secchi · sampled 2013
Phosphorus
20.2 µg/L
More phosphorus than most
Measured by Ontario MECP
Max depth
~17.4 m est.
GLOBathy model
  • 57 ft max depth

Nalla Lake in Thunder Bay District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 4 m visibility. Phosphorus: 20.2 µg/L.

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Nalla Lake is a lake in Thunder Bay District County, Ontario with an estimated average depth of about 57 feet.

Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2013-08-09. Methodology: how these readings are compared.

What Nalla Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water13 ft of visibility

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Nalla Lake is safe to swim in today is a call for the Ontario Ministry of the Environment, Conservation and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Nalla Lake

These are the measurements Ontario MECP publishes for Nalla Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Good clarity, visible to about 13 ft. Phosphorus 20.2 µg/L. TSI 44.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)3.95mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus20.2µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.44Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Nalla Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

~17.4 m est.

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Ontario has not published bathymetry for Nalla Lake.

Lake Size & Watershed

Watershed (drainage) area

2 sq mi

HydroLAKES / HydroSHEDS

Surface area

116 acres

HydroLAKES / HydroSHEDS

Shoreline

2.4 mi

HydroLAKES / HydroSHEDS

Elevation

1,319 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

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Stays near Nalla Lake

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Fishing Nalla Lake

Nearby Lakes in Thunder Bay District

Frequently asked questions about Nalla Lake

Where is Nalla Lake?

Nalla Lake is a lake in Thunder Bay District, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.

What is the water quality of Nalla Lake?

Nalla Lake in Thunder Bay District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 4 m visibility. Phosphorus: 20.2 µg/L.

Measurements on this page ↑

Is Nalla Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Nalla Lake?

No published bathymetric survey covers Nalla Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 57 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Where this data comes from

Measurements for Nalla Lake come from Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring), not the EPA Water Quality Portal. Per-sample source details are not recorded for this lake. Contains information licensed under the Open Government Licence – Ontario. See data sources.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)