Long Lake -Spread Eagle Chain
Long Lake -Spread Eagle Chain in Florence County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 13.5 ft visibility.
- Clarity
- 13.5 ft
- Trend
- → Stable
Next lake in Florence County
Swipe left or right on this bar to open the next or previous lake.
Why Long Lake -Spread Eagle Chain has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Long Lake -Spread Eagle Chain, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by WI DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
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. Grade methodology: LakeQuality methodology.
Watch Long Lake -Spread Eagle Chain water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Long Lake -Spread Eagle Chain
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 13.5 ft. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13.5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 40 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Long Lake -Spread Eagle Chain
Compare lakeside cabins, hotels, and vacation rentals near Long Lake -Spread Eagle Chain in Florence County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Long Lake -Spread Eagle Chain
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Fishing Long Lake -Spread Eagle Chain
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.086 m/yr | 3 |
EPA Impairment Status
Long Lake -Spread Eagle Chain 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 WI10026672 · Official waterbody report · Matched by proximity (2.52 km)
Graded lakes near Long Lake -Spread Eagle Chain
Long Lake -Spread Eagle Chain has no grade, but these lakes within a short drive do.
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. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.
What is the water quality grade for Long Lake -Spread Eagle Chain?
- Long Lake -Spread Eagle Chain in Florence County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 13.5 ft visibility.
Is Long Lake -Spread Eagle Chain safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Long Lake -Spread Eagle Chain is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Long Lake -Spread Eagle Chain across LakeQuality
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Florence County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
Other Lakes in Wisconsin
Oligotrophic Lakes in Wisconsin
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)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)