Twin Lakes
Crawford County, Michigan13 acresView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- #3 of 3 in the county
- Limited data
Twin Lakes in Crawford County, Michigan has a water quality grade of A (Excellent). Water clarity: 19 ft visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Surface area: 13 acres.
- Clarity
- 19 ft
- Typical in September
- 65°F
- Area
- 13 acres
- Type
- Mesotrophic
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Twin Lakes is a 13-acre mesotrophic lake in Crawford County, Michigan. Water quality is graded A based on 1 sampling years through 2022. The lake supports 7 documented fish species including Bluegill, Fathead minnow, and Golden shiner. Compared to the 2 other monitored lakes in Crawford County, Twin Lakes ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-09. Grade methodology: LakeQuality methodology.
What Twin Lakes is good for
From access and monitoring records, not editorial picks.
- Clear water19 ft of visibility
- Fishing7 species recorded
Swimming Safety
Grade onlyLimited data
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.
The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Crystal clear, you can see 19 ft down. Phosphorus 7 µg/L. Chlorophyll-a 4.5 µg/L. TSI 37. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 19 ft | Not graded |
| Phosphorus | 7 µg/L | Not graded |
| Chlorophyll-a (Algae) | 4.5 µg/L | Good |
| Trophic State Index (TSI) | 37 | Mesotrophic |
Moderate nutrients, good water quality
Water Temperature
Twin Lakes typically sits around 65°F at the surface in September. Summer average is about 61°F. Usually warmest in Aug (about 65°F) and coldest in May (about 50°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 117 field readings (2022–2022) via the EPA Water Quality Portal. See the full Twin Lakes water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 13 acres |
No bathymetric survey has been published for Twin Lakes, so its depth is not documented here.
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Twin Lakes
County Ranking
Ranked #3 of 3 lakes in Crawford County
Nearby Lakes in Crawford County
Frequently asked questions about Twin Lakes
Where is Twin Lakes?
- Twin Lakes is a lake in Crawford County, Michigan. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Twin Lakes?
- Twin Lakes in Crawford County, Michigan has a water quality grade of A (Excellent). Water clarity: 19 ft visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Surface area: 13 acres.
Is Twin Lakes safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Twin Lakes?
- Twin Lakes typically sits around 65°F at the surface in September, from 117 EPA Water Quality Portal field readings (2022–2022). That is a typical value for the month, not a live reading.
What fish are in Twin Lakes?
- Fish species found in Twin Lakes include Bluegill, Fathead minnow, Golden shiner, Lake herring, Largemouth bass, Pumpkinseed, Yellow perch. Twin Lakes is located in Crawford County, Michigan.
Explore Twin Lakes across LakeQuality
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Where this data comes from
16 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS16 samples · 2022
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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.