Trumbull Lake
Trumbull Lake in Clay County, Iowa is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1061 acres.
- Area
- 1,061 acres
- Public access
- Yes
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Why Trumbull Lake 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 Trumbull Lake, 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.
Trumbull Lake is a 1,061-acre lake in Clay County, Iowa. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, Iowa DNR, last sampled recent years. Grade methodology: LakeQuality methodology.
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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 Trumbull Lake
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 Trumbull Lake
Compare lakeside cabins, hotels, and vacation rentals near Trumbull Lake 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 Trumbull Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,061 acres |
| Public Access | Yes |
No bathymetric survey has been published for Trumbull Lake, so its depth is not documented here.
Recreation & Access
- Dewey's Pasture ComplexPublic
- Dewey's Pasture ComplexPublic
- Dewey's Pasture ComplexPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Trumbull Lake
Nearby Lakes in Clay County
Frequently asked questions about Trumbull Lake
Where is Trumbull Lake?
- Trumbull Lake 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 Trumbull Lake?
- Trumbull Lake in Clay County, Iowa is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1061 acres.
Is Trumbull Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Trumbull Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Trumbull Lake?
- Trumbull Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Dewey's Pasture Complex, Dewey's Pasture Complex, Dewey's Pasture Complex. Public access is listed as yes.
Explore Trumbull Lake across LakeQuality
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Where this data comes from
Measurements for Trumbull Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory