Dan Green Slough
Dan Green Slough in Clay County, Iowa is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 278 acres.
- Area
- 278 acres
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Why Dan Green Slough 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 Dan Green Slough, no water-quality sampling on record for this lake.
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 Iowa DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Dan Green Slough is a 278-acre lake in Clay County, Iowa.
Source: EPA Water Quality Portal sampling records, Iowa DNR, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Dan Green Slough water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Dan Green Slough
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Dan Green Slough
Compare lakeside cabins, hotels, and vacation rentals near Dan Green Slough in Clay County, Iowa — 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 Dan Green Slough
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 278 acres |
No bathymetric survey has been published for Dan Green Slough, so its depth is not documented here.
Fishing Dan Green Slough
Nearby Lakes in Clay County
Frequently asked questions about Dan Green Slough
Where is Dan Green Slough?
- Dan Green Slough is a lake in Clay County, Iowa. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Dan Green Slough?
- Dan Green Slough in Clay County, Iowa is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 278 acres.
Is Dan Green Slough safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Dan Green Slough is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Dan Green Slough across LakeQuality
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Where this data comes from
Measurements for Dan Green Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.