Royer Lake
LaGrange County, Indiana69 acresView mapDirections
IDEM publishes the water-quality measurements for Royer Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Impaired biota (cause unknown)
- 50 ft max depth
- Limited data
Royer Lake in LaGrange County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 43.5 µg/L. Chlorophyll-a (algae): 4 µg/L. Maximum depth: 49.9 ft. Surface area: 69 acres.
Royer Lake is a 69-acre mesotrophic lake in LaGrange County, Indiana with a maximum depth of 50 feet (24-foot average).
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2022-07-25. Methodology: how these readings are compared.
What Royer Lake is good for
From access and monitoring records, not editorial picks.
- Deep water49.9 ft surveyed max depth
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. Royer Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
Whether Royer 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 Royer Lake
These are the measurements IDEM publishes for Royer 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 43.5 µg/L. Chlorophyll-a 4 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 | 43.5µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 4µg/L | Good GoodFairPoor |
Moderate nutrients, good water quality
Ask about Royer Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
49.9 ft
Average depth
24 ft
Surface area
69 acres
Shoreline
2.4 mi
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Fishing Royer Lake
EPA Impairment Status
Royer 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: Aquatic life.
Source: EPA ATTAINS assessment unit INJ01P1132_00 · Official waterbody report
Nearby Lakes in LaGrange County
Frequently asked questions about Royer Lake
Where is Royer Lake?
- Royer 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 Royer Lake?
- Royer Lake in LaGrange County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 43.5 µg/L. Chlorophyll-a (algae): 4 µg/L. Maximum depth: 49.9 ft. Surface area: 69 acres.
Is Royer Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Royer Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
How deep is Royer Lake?
- Royer Lake has a maximum depth of 49.9 feet and an average depth of 24 feet. The lake covers 69 acres.
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Where this data comes from
Measurements for Royer Lake 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
Impairment status from EPA ATTAINS 303(d) database