Clearwater Lake
Gogebic County, Michigan177 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Mercury
- Public access
- Limited data
Clearwater Lake in Gogebic County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5 ft visibility. Surface area: 176.7 acres.
- Clarity
- 5 ft
- Area
- 177 acres
- Trend
- ↑ Improving
- Public access
- Yes
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Watch Clearwater Lake’s letter
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Why Clearwater Lake has no grade
Clearwater Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Clearwater Lake is Not Rated — not an F. Its 5-foot median from 98 readings collected 2016–2022 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by EGLE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Clearwater Lake is a 177-acre lake in Gogebic County, Michigan. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-12. Grade methodology: LakeQuality methodology.
What Clearwater Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Clearwater Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Water quality measurements for Clearwater Lake
These readings exist but are not enough for an A–F grade — see why.
Murky, only visible to about 5 ft. TSI 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 177 acres |
| Public Access | Yes |
No bathymetric survey has been published for Clearwater Lake, so its depth is not documented here.
Recreation & Access
- Clearwater LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Clearwater Lake
Water Quality Trend: ↑ Improving
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.422 m/yr | 7 |
| Phosphorus | ↑ Improving | -0.93 µg/L/yr | 7 |
EPA Impairment Status
Clearwater 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 MI040201020101-15 · Official waterbody report · Matched by proximity (0.72 km)
Graded lakes near Clearwater Lake
Clearwater Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Gogebic County
Frequently asked questions about Clearwater Lake
Where is Clearwater Lake?
- Clearwater Lake is a lake in Gogebic County, Michigan. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Clearwater Lake?
- Clearwater Lake in Gogebic County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5 ft visibility. Surface area: 176.7 acres.
Is Clearwater Lake safe to swim in?
- The letter is not a swimming clearance. Clearwater Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Are there boat ramps on Clearwater Lake?
- Clearwater Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Clearwater Lake. Public access is listed as yes.
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Where this data comes from
98 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS98 samples · 2016–2022
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
Named boat-access points from the USGS National Boat Ramps inventory