Sebie Lake
Sebie Lake in Crow Wing County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 3.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 17 µg/L. Maximum depth: 27 ft. Surface area: 185.31 acres.
- Clarity
- 3.9 ft
- Typical in August
- 75°F
- Max depth
- 27 ft
- Area
- 185 acres
- Type
- Eutrophic
- Trend
- ↑ Improving
- Public access
- Yes
- Ice-out
- Apr 5
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Sebie Lake →
Next lake in Crow Wing County
Sebie Lake is a 185-acre productive, nutrient-rich eutrophic lake in Crow Wing County, Minnesota with a maximum depth of 27 feet. Water quality is graded D based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 15 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 2 public boat landings. Compared to the 84 other monitored lakes in Crow Wing County, Sebie Lake ranks #83 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-23. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyAlgae risk
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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Murky, only visible to about 3.9 ft. Phosphorus level: 40 µg/L. Chlorophyll-a: 17 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | Not graded |
| Phosphorus | 40 µg/L | Fair |
| Chlorophyll-a (Algae) | 17 µg/L | Poor |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Sebie Lake
Compare lakeside cabins, hotels, and vacation rentals near Sebie Lake in Crow Wing 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Sebie Lake are listed below.
Top-rated places to stay near Sebie Lake
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Planning a whole trip? See where to stay at Minnesota’s top lakes →
Water Temperature
Sebie Lake typically sits around 75°F at the surface in August. Summer average is about 74°F. Usually warmest in Jul (about 78°F) and coldest in Oct (about 58°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 37 field readings (2011–2025) via the EPA Water Quality Portal. See the full Sebie Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 27 ft |
| Surface Area | 185 acres |
| Shoreline Length | 2.3 mi |
| Littoral Zone | 63% |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Fort Ripley LandingPublic
- Sebie LakePublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Sebie Lake
DNR Fisheries Survey Summary
6 surveys on file from MN DNR Fisheries. Most recent: 2025-09-03 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Bluegill | 30.14 | 0.18 lb |
| Pumpkinseed | 10.52 | 0.15 lb |
| Yellow Perch | 5.45 | 0.12 lb |
| CNM | 5.39 | — |
| Northern Pike | 4.55 | 2.38 lb |
| Green Sunfish | 4.54 | — |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Bluegill
Pumpkinseed
Yellow Perch
Northern Pike
From the 2025-09-03 survey
A summer trap net survey was conducted in Sebie Lake by Lake Biological Monitoring and Assessment program staff on September 3-4, 2025. Nine trap nets were set along the shoreline in locations that encompassed multiple habitat types. Trap net sampling captured ten species of fish. Bluegill comprised a majority of the…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Sebie Lake. 3 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — SebieFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Sebie (0007)Aquatic Plant Report · MN DNR LakeFinder
- —Public Water Access Sites — SebiePublic Water Access Sites · MN DNR LakeFinder
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.096 m/yr | 6 |
| Phosphorus | ↓ Declining | +4.61 µg/L/yr | 6 |
| Chlorophyll-a | ↑ Improving | -0.96 µg/L/yr | 6 |
Ice Season
Historical ice data from Minnesota DNR (7 observations).
| Earliest | Latest | |
|---|---|---|
| Ice-Out | 2024-03-06 (2024) | 2022-04-24 (2022) |
| Ice-In | 2018-11-11 (2018) | 2018-11-11 (2018) |
Most recent ice-out: 2024-03-06
EPA Impairment Status
Sebie 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 MN18-0161-00 · Official waterbody report
County Ranking
Ranked #83 of 85 lakes in Crow Wing County
Nearby Lakes in Crow Wing County
Frequently asked questions about Sebie Lake
What is the water quality grade for Sebie Lake?
- Sebie Lake in Crow Wing County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 3.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 17 µg/L. Maximum depth: 27 ft. Surface area: 185.31 acres.
Is Sebie Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Sebie Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 17 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Sebie Lake?
- Sebie Lake typically sits around 75°F at the surface in August, from 37 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.
How deep is Sebie Lake?
- Sebie Lake has a maximum depth of 27 feet. The lake covers 185.31 acres.
What fish are in Sebie Lake?
- Fish species found in Sebie Lake include black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, common carp, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, white sucker, yellow bullhead, yellow perch. Sebie Lake is located in Crow Wing County, Minnesota.
When does Sebie Lake thaw?
- Sebie Lake typically has ice-out around Apr 5.
Are there boat ramps on Sebie Lake?
- Sebie Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Fort Ripley Landing, Sebie Lake. Public access is listed as yes.
Explore Sebie Lake across LakeGrade
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Where this data comes from
68 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA68 samples · 2020–2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
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
Named boat-access points from the USGS National Boat Ramps inventory
Ice data from Minnesota DNR Climate