Three Mile Lake
Halifax, Nova Scotia18 haView mapDirections
No A–F letter for this lake. The letter is scored against EPA reference conditions for a lake’s ecoregion, and those stop at the US border. Here is what has been measured.
- 36 ft max depth
- Limited data
Three Mile Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC and no A–F letter. The letter's EPA reference conditions stop at the US border. Water clarity: 6 m visibility. Phosphorus: 2 µg/L. Maximum depth: 36.1 ft. Surface area: 44.5 acres.
- Clarity
- 6 m
- Max depth
- 11 m
- Area
- 18 ha
Stays via Stay22
Stays near Three Mile Lake
Compare lakeside cabins, hotels, and vacation rentals near Three Mile Lake in Halifax, Nova Scotia — 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 Three Mile Lake
Prices for Sep 11–13, 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 Three Mile Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Why Three Mile Lake has no A–F letter
The LakeQuality letter is scored against EPA National Lakes Assessment reference conditions for a lake’s ecoregion, and those stop at the US border. There is no reference condition for Nova Scotia, so the scale cannot be applied to Three Mile Lake at any level of sampling. Sampling here has recorded water clarity and phosphorus, but not algae (chlorophyll-a).
This is not a gap in the monitoring record. NSECC publishes these measurements directly, and everything below that has been measured is reported on this page as NSECC reports it.
Monitoring: Nova Scotia Environment and Climate Change. Read the full grading methodology.
Three Mile Lake is a 45-acre lake in Halifax County, Nova Scotia with a maximum depth of 36 feet (12-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1984-07-09. Grade methodology: LakeQuality methodology.
What Three Mile Lake is good for
From access and monitoring records, not editorial picks.
- Clear water19.8 ft of visibility
- Deep water36.1 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Three Mile Lake
These are the measurements NSECC publishes for Three Mile Lake. No A–F letter applies here: see why.
Crystal clear, you can see 19.8 ft down. Phosphorus 2 µg/L. TSI 24.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.04 m | Measured, not scored |
| Phosphorus | 2 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 24 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 11 m |
| Average Depth | 3.6 m |
| Surface Area | 18 ha |
Fishing Three Mile Lake
Nearby Lakes in Halifax
Frequently asked questions about Three Mile Lake
Where is Three Mile Lake?
- Three Mile Lake is a lake in Halifax, Nova Scotia. Its water-quality measurements are published by NSECC, and it carries no A–F letter, because no reference condition exists for lakes in this region, so the assessment thresholds behind the A–F scale cannot be applied here.
What is the water quality grade for Three Mile Lake?
- Three Mile Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC and no A–F letter. The letter's EPA reference conditions stop at the US border. Water clarity: 6 m visibility. Phosphorus: 2 µg/L. Maximum depth: 36.1 ft. Surface area: 44.5 acres.
Is Three Mile Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Three Mile Lake?
- Three Mile Lake has a maximum depth of 36.1 feet and an average depth of 11.8 feet. The lake covers 44.5 acres.
Explore Three Mile Lake across LakeQuality
More lakes in Nova Scotia
Other Lakes in Nova Scotia
Oligotrophic Lakes in Nova Scotia
Where this data comes from
4 measurements from 1 monitoring station, 1971–1984. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 1971
- Lands and Forests, NSDOE
Lands and Forests, NSDOE1 sample · 1984
Some records reached the portal without a submitting organization. Those samples are counted above but not attributed.
Monitoring station identifiers (1)
864
Canadian lakes are published with the measurements their provincial programme reports, and without a LakeQuality A–F letter. The letter is scored against EPA reference conditions for a lake’s ecoregion, and the EPA does not survey these lakes. See how grades are calculated and data sources.