Speedwell Forge Dam
Lancaster County, Pennsylvania95 acresView mapDirections
PA DEP publishes the water-quality measurements for Speedwell Forge Dam. Here is what has been measured.
- Public access
- Limited data
Speedwell Forge Dam in Lancaster County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Phosphorus: 88 µg/L. Chlorophyll-a (algae): 89.3 µg/L. Surface area: 95 acres.
Speedwell Forge Dam is a 95-acre lake in Lancaster County, Pennsylvania. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, PA DEP, last sampled 2021-04-07. Methodology: how these readings are compared.
What Speedwell Forge Dam is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Speedwell Forge Dam is safe to swim in today is a call for the Pennsylvania Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Speedwell Forge Dam
These are the measurements PA DEP publishes for Speedwell Forge Dam, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 88 µg/L. Chlorophyll-a 89.3 µg/L.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 88µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 89.3µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about Speedwell Forge Dam
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
95 acres
Shoreline
4.3 mi
Public access
Yes
Listed by PA DEP
No bathymetric survey has been published for Speedwell Forge Dam, so its depth is not documented here.
Recreation & Access
- Speedwell Forge Lake - NorthPublic
- Speedwell Forge Lake - BridgePublic
- Speedwell Forge Lake - DamPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Speedwell Forge Dam
Compare lakeside cabins, hotels, and vacation rentals near Speedwell Forge Dam in Lancaster 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Speedwell Forge Dam are listed below.
Top-rated places to stay near Speedwell Forge Dam
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Fishing Speedwell Forge Dam
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Frequently asked questions about Speedwell Forge Dam
Where is Speedwell Forge Dam?
- Speedwell Forge Dam is a lake in Lancaster County, Pennsylvania. Its water-quality measurements are published by PA DEP and shown on this page as reported.
What is the water quality of Speedwell Forge Dam?
- Speedwell Forge Dam in Lancaster County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Phosphorus: 88 µg/L. Chlorophyll-a (algae): 89.3 µg/L. Surface area: 95 acres.
Is Speedwell Forge Dam safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Speedwell Forge Dam?
- Speedwell Forge Dam has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Speedwell Forge Lake - North, Speedwell Forge Lake - Bridge, Speedwell Forge Lake - Dam. Public access is listed as yes.
Can I fish at Speedwell Forge Dam?
- Speedwell Forge Dam has 3 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Pennsylvania's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Speedwell Forge Dam come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
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
Named boat-access points from the USGS National Boat Ramps inventory