Lake Emma
Lake Emma in Otter Tail County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 227 acres.
- Area
- 227 acres
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Why Lake Emma has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lake Emma, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by MPCA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Emma is a 227-acre lake in Otter Tail County, Minnesota.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Emma
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Emma
Compare lakeside cabins, hotels, and vacation rentals near Lake Emma in Otter Tail County, Minnesota — 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.
Top-rated places to stay near Lake Emma
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 227 acres |
No bathymetric survey has been published for Lake Emma, so its depth is not documented here.
Fishing Lake Emma
Nearby Lakes in Otter Tail County
Frequently asked questions about Lake Emma
Where is Lake Emma?
- Lake Emma is a lake in Otter Tail County, Minnesota. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Emma?
- Lake Emma in Otter Tail County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 227 acres.
Is Lake Emma safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Emma is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for Lake Emma come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder