Sly Brook Lakes
Sly Brook Lakes in Aroostook County, Maine is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 138 acres.
- Area
- 138 acres
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Why Sly Brook Lakes has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Sly Brook Lakes, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Sly Brook Lakes is a 138-acre lake in Aroostook County, Maine.
Source: EPA Water Quality Portal sampling records, your state environmental agency, 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 Sly Brook Lakes
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 Sly Brook Lakes
Compare lakeside cabins, hotels, and vacation rentals near Sly Brook Lakes in Aroostook County, Maine — 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 Sly Brook Lakes
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 138 acres |
No bathymetric survey has been published for Sly Brook Lakes, so its depth is not documented here.
Fishing Sly Brook Lakes
Nearby Lakes in Aroostook County
Frequently asked questions about Sly Brook Lakes
Where is Sly Brook Lakes?
- Sly Brook Lakes is a lake in Aroostook County, Maine. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Sly Brook Lakes?
- Sly Brook Lakes in Aroostook County, Maine is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 138 acres.
Is Sly Brook Lakes safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Sly Brook Lakes is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Sly Brook Lakes across LakeQuality
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Where this data comes from
Measurements for Sly Brook Lakes come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.