Grace Lake is a lake in Harrison River, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.

Grace Lake

Harrison River, British ColumbiaView map Directions

ENV publishes the water-quality measurements for Grace Lake. Here is what has been measured.

Phosphorus

4.8 µg/L

Typical for British Columbia

Measured by ENV

Chlorophyll-a

1.5 µg/L

Typical for British Columbia

Measured by ENV

Limited data

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Grace Lake in Harrison River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 4.8 µg/L. Chlorophyll-a (algae): 1.5 µg/L.

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Grace Lake is a lake in Harrison River County, British Columbia.

Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2018-10-24. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

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

Whether Grace Lake is safe to swim in today is a call for the British Columbia Ministry of Environment 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 Grace Lake

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

No clarity data. Phosphorus 4.8 µg/L. Chlorophyll-a 1.5 µg/L. TSI 31.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)		No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	4.8µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.5µg/L	Measured, not scored 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.	31	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

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Fishing Grace Lake

→ Grace Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Harrison River

Francis Lake1 miView →Wood Lake8.7 miView →Lake Errock2.9 m clear9.7 miView →Cultus Lake6.6 m clear19.5 miView →Hatzic Lake20.4 miView →Schkam Lake19.5 miView →

Frequently asked questions about Grace Lake

Where is Grace Lake?: Grace Lake is a lake in Harrison River, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Grace Lake?: Grace Lake in Harrison River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 4.8 µg/L. Chlorophyll-a (algae): 1.5 µg/L.
Is Grace Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.