Lake Ludwig
Lake Ludwig in Johnson County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 222 acres.
- Area
- 222 acres
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Why Lake Ludwig 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 Lake Ludwig, 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 ADEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Ludwig is a 222-acre lake in Johnson County, Arkansas.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Ludwig 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 Lake Ludwig
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 Lake Ludwig
Compare lakeside cabins, hotels, and vacation rentals near Lake Ludwig in Johnson County, Arkansas — 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 Lake Ludwig
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Planning a whole trip? See where to stay at Arkansas’s top lakes →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 222 acres |
No bathymetric survey has been published for Lake Ludwig, so its depth is not documented here.
Fishing Lake Ludwig
Nearby Lakes in Johnson County
Frequently asked questions about Lake Ludwig
Where is Lake Ludwig?
- Lake Ludwig is a lake in Johnson County, Arkansas. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Ludwig?
- Lake Ludwig in Johnson County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 222 acres.
Is Lake Ludwig safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Ludwig is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for Lake Ludwig come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.