Forty Acre Millpond
Forty Acre Millpond in Union County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 34 acres.
- Area
- 34 acres
Next lake in Union County
Swipe left or right on this bar to open the next or previous lake.
Why Forty Acre Millpond 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 Forty Acre Millpond, 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.
Forty Acre Millpond is a 34-acre lake in Union County, Arkansas.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Forty Acre Millpond water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Forty Acre Millpond
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 Forty Acre Millpond
Compare lakeside cabins, hotels, and vacation rentals near Forty Acre Millpond in Union 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 Forty Acre Millpond
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 Arkansas’s top lakes →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 34 acres |
No bathymetric survey has been published for Forty Acre Millpond, so its depth is not documented here.
Fishing Forty Acre Millpond
Nearby Lakes in Union County
Frequently asked questions about Forty Acre Millpond
Where is Forty Acre Millpond?
- Forty Acre Millpond is a lake in Union 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 Forty Acre Millpond?
- Forty Acre Millpond in Union County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 34 acres.
Is Forty Acre Millpond safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Forty Acre Millpond is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Forty Acre Millpond across LakeQuality
More Arkansas Lake Rankings
Other Lakes in Arkansas
Where this data comes from
Measurements for Forty Acre Millpond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.