Hagerman Lake
Iron County, Michigan565 acresView mapDirections
EGLE publishes the water-quality measurements for Hagerman Lake. Here is what has been measured.
- Oligotrophic
- 50 ft max depth
- Public access
- Limited data
Ask about Hagerman Lake
Answers come straight from the public measurements and survey records on this page.
Hagerman Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 21 ft visibility. Phosphorus: 8.5 µg/L. Maximum depth: 50 ft. Surface area: 565 acres.
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Hagerman Lake is a 565-acre cold, clear oligotrophic lake in Iron County, Michigan with a maximum depth of 50 feet. Water clarity is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 20 other monitored lakes in Iron County, Hagerman Lake ranks #16 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2021-08-24. Grade methodology: LakeQuality methodology.
What Hagerman Lake is good for
From access and monitoring records, not editorial picks.
- Clear water21 ft of visibility
- Boat launch1 documented ramp
- Deep water50 ft surveyed max depth
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Hagerman Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Hagerman Lake
These are the measurements EGLE publishes for Hagerman Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 21 ft down. Phosphorus 8.5 µg/L. TSI 34.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 21 ft | Measured, not scored |
| Phosphorus | 8.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 50 ft |
| Surface Area | 565 acres |
| Public Access | Yes |
Recreation & Access
- Hagerman Lake Recreation AreaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Hagerman Lake
Water Quality Trend: → Stable
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.98 m/yr | 3 |
| Phosphorus | ↓ Declining | +1.2 µg/L/yr | 4 |
Nearby Lakes in Iron County
Frequently asked questions about Hagerman Lake
Where is Hagerman Lake?
- Hagerman Lake is a lake in Iron County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Hagerman Lake?
- Hagerman Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 21 ft visibility. Phosphorus: 8.5 µg/L. Maximum depth: 50 ft. Surface area: 565 acres.
Is Hagerman Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Hagerman Lake?
- Hagerman Lake has a maximum depth of 50 feet. The lake covers 565 acres.
Are there boat ramps on Hagerman Lake?
- Hagerman Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Hagerman Lake Recreation Area. Public access is listed as yes.
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Where this data comes from
50 measurements from 1 monitoring station, 2017–2021. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS50 samples · 2017–2021
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory