Rose Lake
Shiawassee County, Michigan19 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 · Oxygen depletion (low DO)
- Limited data
Rose Lake in Shiawassee County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5.5 ft visibility. Surface area: 19 acres.
- Clarity
- 5.5 ft
- Area
- 19 acres
- Trend
- ↓ Declining
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Watch Rose Lake’s letter
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Why Rose Lake has no grade
Rose 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, Rose Lake is Not Rated — not an F. Its 5.5-foot median from 37 readings collected 2021–2022 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.
Rose Lake is a 19-acre lake in Shiawassee County, Michigan. Overall water quality is declining over recent sampling years. The lake supports 17 documented fish species including American brook lamprey, Black bullhead, and Blackchin shiner.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-14. Grade methodology: LakeQuality methodology.
What Rose Lake is good for
From access and monitoring records, not editorial picks.
- Fishing17 species recorded
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Rose Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
Water quality measurements for Rose Lake
These readings exist but are not enough for an A–F grade — see why.
Murky, only visible to about 5.5 ft. TSI 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 19 acres |
No bathymetric survey has been published for Rose Lake, so its depth is not documented here.
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Rose Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.126 m/yr | 5 |
| Phosphorus | ↓ Declining | +4.88 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +1.84 µg/L/yr | 4 |
EPA Impairment Status
Rose Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MI040802030205-05 · Official waterbody report · Matched by proximity (1.11 km)
Graded lakes near Rose Lake
Rose Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Shiawassee County
Frequently asked questions about Rose Lake
Where is Rose Lake?
- Rose Lake is a lake in Shiawassee 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 Rose Lake?
- Rose Lake in Shiawassee County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5.5 ft visibility. Surface area: 19 acres.
Is Rose Lake safe to swim in?
- The letter is not a swimming clearance. Rose Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
What fish are in Rose Lake?
- Fish species found in Rose Lake include American brook lamprey, Black bullhead, Blackchin shiner, Blacknose shiner, Bluegill, Bluntnose minnow, Brook silverside, Central mudminnow, Creek chub, Johnny darter, Largemouth bass, Mottled sculpin, Northern pike, Pumpkinseed, Sand shiner, Spotfin shiner, Western banded killifish. Rose Lake is located in Shiawassee County, Michigan.
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Where this data comes from
37 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS37 samples · 2021–2022
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