Ferdinand State Forest Lake
Dubois County, Indiana40 acresView mapDirections
IDEM publishes the water-quality measurements for Ferdinand State Forest Lake. Here is what has been measured.
- 21 ft max depth
- Limited data
Ferdinand State Forest Lake in Dubois County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 111.9 µg/L. Chlorophyll-a (algae): 35.3 µg/L. Maximum depth: 21 ft. Surface area: 40 acres.
Ferdinand State Forest Lake is a 40-acre lake in Dubois County, Indiana with a maximum depth of 21 feet (11-foot average).
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2023-08-08. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ferdinand State Forest Lake is safe to swim in today is a call for the Indiana Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Ferdinand State Forest Lake
These are the measurements IDEM publishes for Ferdinand State Forest Lake, 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 111.9 µg/L. Chlorophyll-a 35.3 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 | 112µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 35.3µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about Ferdinand State Forest Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
21 ft
Average depth
11.2 ft
Surface area
40 acres
Shoreline
1.6 mi
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Frequently asked questions about Ferdinand State Forest Lake
Where is Ferdinand State Forest Lake?
- Ferdinand State Forest Lake is a lake in Dubois County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Ferdinand State Forest Lake?
- Ferdinand State Forest Lake in Dubois County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 111.9 µg/L. Chlorophyll-a (algae): 35.3 µg/L. Maximum depth: 21 ft. Surface area: 40 acres.
Is Ferdinand State Forest Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Ferdinand State Forest Lake?
- Ferdinand State Forest Lake has a maximum depth of 21 feet and an average depth of 11.2 feet. The lake covers 40 acres.
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Where this data comes from
Measurements for Ferdinand State Forest Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.