Diana Lake
Work Channel, British ColumbiaView mapDirections
ENV publishes the water-quality measurements for Diana Lake. Here is what has been measured.
- Limited data
Diana Lake in Work Channel, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 2.2 m visibility. Phosphorus: 4.6 µg/L. Chlorophyll-a (algae): 0.7 µg/L.
Diana Lake is a lake in Work Channel County, British Columbia.
Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2025-08-06. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Diana 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.
Water quality measurements for Diana Lake
These are the measurements ENV publishes for Diana Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7.1 ft. Phosphorus 4.6 µg/L. Chlorophyll-a 0.7 µg/L. TSI 34.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.17m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 4.6µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 0.7µg/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. | 34 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Diana Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Diana Lake
Compare lakeside cabins, hotels, and vacation rentals near Diana Lake in Work Channel, 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 Diana 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 Diana Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Diana Lake
Nearby Lakes in Work Channel
Frequently asked questions about Diana Lake
Where is Diana Lake?
- Diana Lake is a lake in Work Channel, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Diana Lake?
- Diana Lake in Work Channel, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 2.2 m visibility. Phosphorus: 4.6 µg/L. Chlorophyll-a (algae): 0.7 µg/L.
Is Diana Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Diana Lake across LakeQuality
More lakes in British Columbia
Other Lakes in British Columbia
Oligotrophic Lakes in British Columbia
Where this data comes from
51 measurements from 1 monitoring station, 2017–2025. Retrieved from British Columbia EnMoDS (not the EPA Water Quality Portal) on 2026-09-06.
Collected and reported by
- British Columbia Ministry of Environment and Parks
enmods-bc51 samples · 2017–2025
Monitoring station identifiers (1)
E223304
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.