Long Lake -Spread Eagle Chain
Florence County, WisconsinView mapDirections
Wisconsin DNR publishes the water-quality measurements for Long Lake -Spread Eagle Chain. Here is what has been measured.
- Limited data
Long Lake -Spread Eagle Chain in Florence County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 13.5 ft visibility.
Long Lake -Spread Eagle Chain is a lake in Florence County, Wisconsin.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-08-30. Methodology: how these readings are compared.
What Long Lake -Spread Eagle Chain is good for
From access and monitoring records, not editorial picks.
- Clear water13.5 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Long Lake -Spread Eagle Chain is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Long Lake -Spread Eagle Chain
These are the measurements Wisconsin DNR publishes for Long Lake -Spread Eagle Chain, 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 13.5 ft. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13.5ft | 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. | 40 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Long Lake -Spread Eagle Chain
Answers come straight from the public measurements and survey records on this page.
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Fishing Long Lake -Spread Eagle Chain
Water quality readings over time
3 seasons of samples on record (2022–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Stable3 years
Nearby Lakes in Florence County
Frequently asked questions about Long Lake -Spread Eagle Chain
Where is Long Lake -Spread Eagle Chain?
- Long Lake -Spread Eagle Chain is a lake in Florence County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Long Lake -Spread Eagle Chain?
- Long Lake -Spread Eagle Chain in Florence County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 13.5 ft visibility.
Is Long Lake -Spread Eagle Chain safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Long Lake -Spread Eagle Chain across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX1 sample · 2022
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.