Smetana Lake
Smetana Lake in Hennepin County, Minnesota has a water quality grade of C (Fair). Water clarity: 6.6 ft visibility. Phosphorus: 34 µg/L. Chlorophyll-a (algae): 5.9 µg/L. Maximum depth: 12 ft. Surface area: 52.23 acres.
- Clarity
- 6.6 ft
- Max depth
- 12 ft
- Area
- 52 acres
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- No
Next lake in Hennepin County
Smetana Lake is a 52-acre productive, nutrient-rich eutrophic lake in Hennepin County, Minnesota with a maximum depth of 12 feet (5-foot average). Water quality is graded C based on 2 sampling years through 2024. Overall water quality is declining over recent sampling years. The lake supports 13 documented fish species including black bullhead, black crappie, and bluegill. No public access — the lake is private or restricted. Compared to the 80 other monitored lakes in Hennepin County, Smetana Lake ranks #24 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-10-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
Murky, only visible to about 6.6 ft. Phosphorus level: 34 µg/L. Chlorophyll-a: 5.9 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.6 ft | Not graded |
| Phosphorus | 34 µg/L | Fair |
| Chlorophyll-a (Algae) | 5.9 µg/L | Good |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Smetana Lake
Compare lakeside cabins, hotels, and vacation rentals near Smetana Lake in Hennepin 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 12 ft |
| Average Depth | 5 ft |
| Surface Area | 52 acres |
| Shoreline Length | 1.6 mi |
| Littoral Zone | 100% |
| Public Access | No |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Smetana Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.067 m/yr | 6 |
| Phosphorus | ↓ Declining | +0.78 µg/L/yr | 6 |
| Chlorophyll-a | ↓ Declining | +1.02 µg/L/yr | 6 |
EPA Impairment Status
Smetana Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN27-0073-00 · Official waterbody report
County Ranking
Ranked #24 of 81 lakes in Hennepin County
Nearby Lakes in Hennepin County
Frequently asked questions about Smetana Lake
What is the water quality grade for Smetana Lake?
- Smetana Lake in Hennepin County, Minnesota has a water quality grade of C (Fair). Water clarity: 6.6 ft visibility. Phosphorus: 34 µg/L. Chlorophyll-a (algae): 5.9 µg/L. Maximum depth: 12 ft. Surface area: 52.23 acres.
Is Smetana Lake safe to swim in?
- Generally safe for swimming, moderate water quality. Smetana Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 5.9 µg/L. Always check local health department advisories before swimming.
How deep is Smetana Lake?
- Smetana Lake has a maximum depth of 12 feet and an average depth of 5 feet. The lake covers 52.23 acres.
What fish are in Smetana Lake?
- Fish species found in Smetana Lake include black bullhead, black crappie, bluegill, brown bullhead, common carp, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, white sucker, yellow bullhead, yellow perch. Smetana Lake is located in Hennepin County, Minnesota.
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Where this data comes from
24 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA24 samples · 2024
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Colorimetry
- Analysis of Chlorophyll in Periphyton and Plankton
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder