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

Brohm Lake

Squamish, British ColumbiaView map Directions

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

Clarity

7 m

Clearer than most

Secchi · sampled 2026

Phosphorus

4.1 µg/L

Less phosphorus than most

Measured by ENV

Chlorophyll-a

1.4 µg/L

Typical for British Columbia

Measured by ENV

Limited data

See the measurements Directions Where to stay

Brohm Lake in Squamish, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 7 m visibility. Phosphorus: 4.1 µg/L. Chlorophyll-a (algae): 1.4 µg/L.

Loading map…

Brohm Lake is a lake in Squamish County, British Columbia.

Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2026-03-26. Methodology: how these readings are compared.

What Brohm Lake is good for

From access and monitoring records, not editorial picks.

Clear water23 ft of visibility

Swimming conditions

No reading

Limited data

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

Whether Brohm 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.

Get alerts for Brohm Lake →

Water quality measurements for Brohm Lake

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

Crystal clear, you can see 23 ft down. Phosphorus 4.1 µg/L. Chlorophyll-a 1.4 µg/L. TSI 30.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	7m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	4.1µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.4µg/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.	30	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Brohm Lake

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

Stays via Stay22

Stays near Brohm Lake

Compare lakeside cabins, hotels, and vacation rentals near Brohm Lake in Squamish, British Columbia — 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 Brohm Lake

Prices for Oct 23–25, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Brohm Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Brohm Lake

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

Nearby Lakes in Squamish

Cat Lake2.1 miView →Stump Lake2.5 miView →Alice Lake3.2 miView →Fawn Lake3 miView →Edith Lake3.6 miView →Loggers Lake17.1 miView →

Frequently asked questions about Brohm Lake

Where is Brohm Lake?: Brohm Lake is a lake in Squamish, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Brohm Lake?: Brohm Lake in Squamish, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 7 m visibility. Phosphorus: 4.1 µg/L. Chlorophyll-a (algae): 1.4 µg/L.
Is Brohm Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.