Bamber Lake
Bamber Lake in Olmsted County, Minnesota has a water quality grade of A (Excellent). Water clarity: 14.1 ft visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 4.4 µg/L.
- Clarity
- 14.1 ft
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- No
Next lake in Olmsted County
Bamber Lake is a mesotrophic lake in Olmsted County, Minnesota. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. Limited fish-species data available. No public access — the lake is private or restricted. Compared to the 1 other monitored lakes in Olmsted County, Bamber Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-07-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow algae
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.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Good clarity, visible to about 14.1 ft. Phosphorus level: 11 µg/L. Chlorophyll-a: 4.4 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 14.1 ft | Not graded |
| Phosphorus | 11 µg/L | Good |
| Chlorophyll-a (Algae) | 4.4 µg/L | Good |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Bamber Lake
Compare lakeside cabins, hotels, and vacation rentals near Bamber Lake in Olmsted 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 Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fishing Bamber Lake
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.21 m/yr | 5 |
| Phosphorus | → Stable | +0.06 µg/L/yr | 6 |
| Chlorophyll-a | ↑ Improving | -0.44 µg/L/yr | 6 |
County Ranking
Ranked #1 of 2 lakes in Olmsted County
Nearby Lakes in Olmsted County
Frequently asked questions about Bamber Lake
What is the water quality grade for Bamber Lake?
- Bamber Lake in Olmsted County, Minnesota has a water quality grade of A (Excellent). Water clarity: 14.1 ft visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 4.4 µg/L.
Is Bamber Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Bamber Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 4.4 µg/L. Always check local health department advisories before swimming.
How deep is Bamber Lake?
- The available depth estimate for Bamber Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown.
Explore Bamber Lake across LakeGrade
Fish species and top-graded lakes across Minnesota
Fish species and best lakes in Olmsted County
Species activity outlook by water temperature and season
Where to stay at Minnesota's top lakes, each with its grade
Moderate nutrients, good water quality
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State Parks Near Bamber Lake
Other Grade A Lakes in Minnesota
Mesotrophic Lakes in Minnesota
Where this data comes from
69 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA69 samples · 2020–2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (3)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)