Lower Long Lake
Lower Long Lake in Oakland County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 42 ft. Surface area: 184.4 acres.
- Max depth
- 42 ft
- Area
- 184 acres
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Water clarity at Lower Long Lake
Clear water. Across summers from 2018 to 2023, Lower Long Lake averaged 4.2 m (14 ft) of visibility down into the water, so you can typically see several feet down in midsummer.
Nobody has taken a water sample here that we can find. Michigan's environmental agency measures clarity on lakes like this one from satellite images instead, which is why this page reports how clear the water is but carries no A–F grade.
Clear is not the same as clean. A lake can be easy to see through and still carry high nutrient levels, and a naturally tea-stained lake can be perfectly healthy. The A–F grade on other lakes is built from phosphorus and algae measured in a laboratory, and clarity alone cannot stand in for it.
The same satellite images put summer algae here at roughly 2.97 micrograms per litre. Estimating algae from orbit is far less exact than measuring clarity, so that figure is worth knowing and is not part of any rating.
Lower Long Lake is a 184-acre lake in Oakland County, Michigan with a maximum depth of 42 feet (9-foot average).
Source: EPA Water Quality Portal sampling records, EGLE, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lower Long Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lower Long Lake
Compare lakeside cabins, hotels, and vacation rentals near Lower Long Lake in Oakland County, Michigan — 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 Lower Long Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 42 ft |
| Average Depth | 9 ft |
| Surface Area | 184 acres |
| Shoreline Length | 1.6 mi |
Fishing Lower Long Lake
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Frequently asked questions about Lower Long Lake
Where is Lower Long Lake?
- Lower Long Lake is a lake in Oakland County, Michigan. LakeQuality has not rated this lake (UNRATED) — no in-situ water sample; this lake is rated for water clarity from satellite observations instead.
What is the water quality grade for Lower Long Lake?
- Lower Long Lake in Oakland County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 42 ft. Surface area: 184.4 acres.
Is Lower Long Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lower Long Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
How deep is Lower Long Lake?
- Lower Long Lake has a maximum depth of 42 feet and an average depth of 9 feet. The lake covers 184.4 acres.
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Where this data comes from
Measurements for Lower Long Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.