Pretty Lake
LaGrange County, Indiana185 acresView mapDirections
IDEM publishes the water-quality measurements for Pretty Lake. Here is what has been measured.
- Impaired · Mercury
- 80 ft max depth
- Public access
- Limited data
Pretty Lake in LaGrange County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 38.2 µg/L. Chlorophyll-a (algae): 3.6 µg/L. Maximum depth: 80.1 ft. Surface area: 185 acres.
Pretty Lake is a 185-acre lake in LaGrange County, Indiana with a maximum depth of 80 feet (26-foot average). Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2024-07-02. Methodology: how these readings are compared.
What Pretty Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Deep water80.1 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Pretty Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Pretty 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 Pretty Lake
These are the measurements IDEM publishes for Pretty 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 38.2 µg/L. Chlorophyll-a 3.6 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 | 38.2µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3.6µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about Pretty Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
80.1 ft
Average depth
25.9 ft
Surface area
185 acres
Shoreline
2.6 mi
Public access
Yes
Listed by IDEM
Recreation & Access
- Pigeon River Fish & Wildlife AreaPublic
- Pigeon River Fish & Wildlife AreaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Pretty Lake
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Fishing Pretty Lake
EPA Impairment Status
Pretty Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit INJ01P1098_00 · Official waterbody report
Nearby Lakes in LaGrange County
Frequently asked questions about Pretty Lake
Where is Pretty Lake?
- Pretty Lake is a lake in LaGrange County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Pretty Lake?
- Pretty Lake in LaGrange County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 38.2 µg/L. Chlorophyll-a (algae): 3.6 µg/L. Maximum depth: 80.1 ft. Surface area: 185 acres.
Is Pretty Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Pretty Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Pretty Lake?
- Pretty Lake has a maximum depth of 80.1 feet and an average depth of 25.9 feet. The lake covers 185 acres.
Are there boat ramps on Pretty Lake?
- Pretty Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Pigeon River Fish & Wildlife Area, Pigeon River Fish & Wildlife Area. Public access is listed as yes.
Can I fish at Pretty Lake?
- Pretty Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Indiana's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Pretty Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory