Where is Chilliwack Lake?

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

Chilliwack Lake

Chilliwack River, British ColumbiaView map Directions

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

Clarity

12.6 m

Clearer than most

Secchi · sampled 2026

Phosphorus

2.4 µg/L

Less phosphorus than most

Measured by ENV

Chlorophyll-a

0.5 µg/L

Less algae than most

Measured by ENV

Limited data

See the measurements Directions Where to stay

Chilliwack Lake in Chilliwack River, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 12.6 m visibility. Phosphorus: 2.4 µg/L. Chlorophyll-a (algae): 0.5 µg/L.

Loading map…

Chilliwack Lake is a lake in Chilliwack River County, British Columbia.

Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2026-03-25. Methodology: how these readings are compared.

What Chilliwack Lake is good for

From access and monitoring records, not editorial picks.

Clear water41.2 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 Chilliwack 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 Chilliwack Lake →

Water quality measurements for Chilliwack Lake

These are the measurements ENV publishes for Chilliwack 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 41.2 ft down. Phosphorus 2.4 µg/L. Chlorophyll-a 0.5 µg/L. TSI 21.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	12.55m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	2.4µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	0.5µg/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.	21	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Chilliwack Lake

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

Stays via Stay22

Stays near Chilliwack Lake

Compare lakeside cabins, hotels, and vacation rentals near Chilliwack Lake in Chilliwack River, 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 Chilliwack 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 Chilliwack Lake’s readings

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

Or email

Fishing Chilliwack Lake

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

Nearby Lakes in Chilliwack River

Cultus Lake6.6 m clear24.7 miView →Kawkawa Lake21.6 miView →Schkam Lake23.1 miView →Francis Lake26.3 miView →Grace Lake26.1 miView →Wood Lake32.5 miView →

Frequently asked questions about Chilliwack Lake

Where is Chilliwack Lake?: Chilliwack Lake is a lake in Chilliwack River, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Chilliwack Lake?: Chilliwack Lake in Chilliwack River, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 12.6 m visibility. Phosphorus: 2.4 µg/L. Chlorophyll-a (algae): 0.5 µg/L.
Is Chilliwack Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.