Big Crooked Lake
Kent County, Michigan145 acresView mapDirections
EGLE publishes the water-quality measurements for Big Crooked Lake. Here is what has been measured.
- Limited data
Big Crooked Lake in Kent County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 11.5 ft visibility. Surface area: 144.5 acres.
Big Crooked Lake is a 145-acre lake in Kent County, Michigan. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2021-09-18. Methodology: how these readings are compared.
What Big Crooked Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.5 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Big Crooked 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 Big Crooked Lake
These are the measurements EGLE publishes for Big Crooked Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11.5 ft. TSI 42.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Big Crooked Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
145 acres
No bathymetric survey has been published for Big Crooked Lake, so its depth is not documented here.
Stays via Stay22
Stays near Big Crooked Lake
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Fishing Big Crooked Lake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2018–2022).
Water clarity
Worsening4 years
Phosphorus
Stable-0.13 µg/L/yr3 years
Nearby Lakes in Kent County
Frequently asked questions about Big Crooked Lake
Where is Big Crooked Lake?
- Big Crooked Lake is a lake in Kent County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Big Crooked Lake?
- Big Crooked Lake in Kent County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 11.5 ft visibility. Surface area: 144.5 acres.
Is Big Crooked Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
28 measurements from 1 monitoring station, 2018–2021. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS28 samples · 2018–2021
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.