Loomis Lake
Porter County, Indiana58 acresView mapDirections
IDEM publishes the water-quality measurements for Loomis Lake. Here is what has been measured.
- Eutrophic
Loomis Lake in Porter County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 11.5 µg/L. Surface area: 58 acres.
Loomis Lake is a 58-acre productive, nutrient-rich eutrophic lake in Porter County, Indiana.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2023-08-15. Methodology: how these readings are compared.
Swimming conditions
Readings onlyModerate algae
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 Loomis 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 Loomis Lake
These are the measurements IDEM publishes for Loomis 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 40 µg/L. Chlorophyll-a 11.5 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 | 40µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 11.5µg/L | Good GoodFairPoor |
High nutrients, frequent algae, reduced clarity
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Lake Details
Surface area
58 acres
Shoreline
2.5 mi
No bathymetric survey has been published for Loomis Lake, so its depth is not documented here.
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Fishing Loomis Lake
Nearby Lakes in Porter County
Frequently asked questions about Loomis Lake
Where is Loomis Lake?
- Loomis Lake is a lake in Porter County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Loomis Lake?
- Loomis Lake in Porter County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 11.5 µg/L. Surface area: 58 acres.
Is Loomis Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Loomis 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.