Greenbelt Lake
Prince George's County, Maryland22 acresView mapDirections
MDE publishes the water-quality measurements for Greenbelt Lake. Here is what has been measured.
- Limited data
Greenbelt Lake in Prince George's County, Maryland has water-quality measurements published by MDE, shown here as reported. Water clarity: 3.9 ft visibility. Surface area: 21.5 acres.
Greenbelt Lake is a 22-acre lake in Prince George's County, Maryland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-06-17. Methodology: how these readings are compared.
What Greenbelt Lake is good for
From access and monitoring records, not editorial picks.
- Camping2 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Greenbelt Lake is safe to swim in today is a call for the Maryland Department of the Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Greenbelt Lake
These are the measurements MDE publishes for Greenbelt Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.9 ft. TSI 57.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.9ft | 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. | 57 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Greenbelt Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
22 acres
No bathymetric survey has been published for Greenbelt Lake, so its depth is not documented here.
Recreation & Access
Public campgrounds near Greenbelt Lake
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
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Stays near Greenbelt Lake
Compare lakeside cabins, hotels, and vacation rentals near Greenbelt Lake in Prince George's County, Maryland — 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 Greenbelt Lake
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Fishing Greenbelt Lake
Reservoir Info (USACE NID)
Greenbelt Lake is a man-made reservoir impounded by the Greenbelt Dam (completed 1936), built primarily for recreation on the Indian Creek-TR; earth-type dam, 22 ft tall and 640 ft long.
- Surface area
- 21.5 ac
- Normal storage
- 206 ac-ft
- Max storage
- 326 ac-ft
- Drainage area
- 0.8 sq mi
- Hazard class
- High
- Owner
- City of Greenbelt
Source: USACE National Inventory of Dams, NID ID MD00008 · Operator website
Nearby Lakes in Prince George's County
Frequently asked questions about Greenbelt Lake
Where is Greenbelt Lake?
- Greenbelt Lake is a lake in Prince George's County, Maryland. Its water-quality measurements are published by MDE and shown on this page as reported.
What is the water quality of Greenbelt Lake?
- Greenbelt Lake in Prince George's County, Maryland has water-quality measurements published by MDE, shown here as reported. Water clarity: 3.9 ft visibility. Surface area: 21.5 acres.
Is Greenbelt Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Greenbelt Lake?
- Greenbelt Lake has 2 public campgrounds from USGS The National Map within 5 km, including Greenbelt Campground, Greenbelt Park Picnic Areas. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Greenbelt Lake across LakeQuality
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Where this data comes from
20 measurements from 5 monitoring stations, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples20 samples · 2024
Monitoring station identifiers (5)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles