Mill Lake
Annapolis, Nova Scotia78 haView mapDirections
NSECC publishes the water-quality measurements for Mill Lake. Here is what has been measured.
- 20 ft max depth
- Limited data
Mill Lake in Annapolis, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 0.9 m visibility. Maximum depth: 19.7 ft. Surface area: 192 acres.
Mill Lake is a 192-acre lake in Annapolis County, Nova Scotia with a maximum depth of 20 feet (5-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1990-08-06. 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 Mill Lake is safe to swim in today is a call for Nova Scotia Environment and Climate Change and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Mill Lake
These are the measurements NSECC publishes for Mill Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.9m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading 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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
6 m
Average depth
1.6 m
Surface area
78 ha
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Frequently asked questions about Mill Lake
Where is Mill Lake?
- Mill Lake is a lake in Annapolis, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Mill Lake?
- Mill Lake in Annapolis, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 0.9 m visibility. Maximum depth: 19.7 ft. Surface area: 192 acres.
Is Mill Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Mill Lake?
- Mill Lake has a maximum depth of 19.7 feet and an average depth of 5.2 feet. The lake covers 192 acres.
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Where this data comes from
1 measurement from 1 monitoring station, 1990. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- NS Dept. of Fisheries
NS Dept. of Fisheries1 sample · 1990
Monitoring station identifiers (1)
88
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.