Blue Marsh Lake
Blue Marsh Lake in Berks County, Pennsylvania is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1178 acres.
- Area
- 1,178 acres
- Public access
- Yes
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Why Blue Marsh Lake 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 Blue Marsh Lake, 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 PA DEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Blue Marsh Lake is a 1,178-acre lake in Berks County, Pennsylvania. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, PA DEP, 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 Blue Marsh 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 Blue Marsh Lake
Compare lakeside cabins, hotels, and vacation rentals near Blue Marsh Lake in Berks County, Pennsylvania — 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 Blue Marsh Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,178 acres |
| Public Access | Yes |
No bathymetric survey has been published for Blue Marsh Lake, so its depth is not documented here.
Recreation & Access
- Sheidy RoadPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Blue Marsh Lake
Nearby Lakes in Berks County
Frequently asked questions about Blue Marsh Lake
Where is Blue Marsh Lake?
- Blue Marsh Lake is a lake in Berks County, Pennsylvania. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Blue Marsh Lake?
- Blue Marsh Lake in Berks County, Pennsylvania is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1178 acres.
Is Blue Marsh Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Blue Marsh Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Blue Marsh Lake?
- Blue Marsh Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Sheidy Road. Public access is listed as yes.
Explore Blue Marsh Lake across LakeQuality
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Where this data comes from
Measurements for Blue Marsh Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory