Newman Lake
Newman Lake in Hubbard County, Minnesota has a water quality grade of A (Excellent). Water clarity: 17.1 ft visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Maximum depth: 63 ft. Surface area: 45.41 acres.
- Clarity
- 17.1 ft
- Max depth
- 63 ft
- Area
- 45 acres
- Type
- Oligotrophic
- Trend
- ↓ Declining
- Public access
- Yes
Next lake in Hubbard County
Newman Lake is a 45-acre cold, clear oligotrophic lake in Hubbard County, Minnesota with a maximum depth of 63 feet. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including black bullhead, rainbow trout, and white sucker. Public access is available. Compared to the 67 other monitored lakes in Hubbard County, Newman Lake ranks #52 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-16. 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)
Crystal clear, you can see 17.1 ft down. Phosphorus level: 6 µg/L. Chlorophyll-a: 1.8 µg/L. Trophic State Index: 34.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 17.1 ft | Not graded |
| Phosphorus | 6 µg/L | Good |
| Chlorophyll-a (Algae) | 1.8 µg/L | Good |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Newman Lake
Compare lakeside cabins, hotels, and vacation rentals near Newman Lake in Hubbard 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 | 63 ft |
| Surface Area | 45 acres |
| Shoreline Length | 1.2 mi |
| Littoral Zone | 29% |
| Public Access | Yes |
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Newman Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.45 m/yr | 2 |
| Phosphorus | ↓ Declining | +5 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +0.5 µg/L/yr | 2 |
County Ranking
Ranked #52 of 68 lakes in Hubbard County
Nearby Lakes in Hubbard County
Frequently asked questions about Newman Lake
What is the water quality grade for Newman Lake?
- Newman Lake in Hubbard County, Minnesota has a water quality grade of A (Excellent). Water clarity: 17.1 ft visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Maximum depth: 63 ft. Surface area: 45.41 acres.
Is Newman Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Newman Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 1.8 µg/L. Always check local health department advisories before swimming.
How deep is Newman Lake?
- Newman Lake has a maximum depth of 63 feet. The lake covers 45.41 acres.
What fish are in Newman Lake?
- Fish species found in Newman Lake include black bullhead, rainbow trout, white sucker. Newman Lake is located in Hubbard County, Minnesota.
Explore Newman Lake across LakeGrade
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Where this data comes from
183 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA183 samples · 2024–2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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
Lake details from Minnesota DNR LakeFinder