Dalhousiesh Lake
Dalhousiesh Lake in Lake County, Florida is not rated for water quality — its monitoring record does not meet the evidence bar.
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Why Dalhousiesh 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 Dalhousiesh Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
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 FDEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Dalhousiesh Lake is a lake in Lake County, Florida.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-02-25. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Dalhousiesh Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Where to stay near Dalhousiesh Lake
Compare lakeside cabins, hotels, and vacation rentals near Dalhousiesh Lake in Lake County, Florida — 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 Dalhousiesh Lake
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Fishing Dalhousiesh Lake
EPA Impairment Status
Dalhousiesh Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2949 · Official waterbody report · Matched by proximity (0.51 km)
Graded lakes near Dalhousiesh Lake
Dalhousiesh Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Lake County
Frequently asked questions about Dalhousiesh Lake
Where is Dalhousiesh Lake?
- Dalhousiesh Lake is a lake in Lake County, Florida. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Dalhousiesh Lake?
- Dalhousiesh Lake in Lake County, Florida is not rated for water quality — its monitoring record does not meet the evidence bar.
Is Dalhousiesh Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Dalhousiesh Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Dalhousiesh Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 2020
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