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LakeQuality

Lake Weddington

Washington County, ArkansasView mapDirections

Arkansas DEQ publishes the water-quality measurements for Lake Weddington. Here is what has been measured.

Phosphorus
20 µg/L
Typical for Arkansas
Measured by Arkansas DEQ
Chlorophyll-a
7.4 µg/L
Typical for Arkansas
Measured by Arkansas DEQ
Max depth
~32 ft est.
GLOBathy model
Trend
Stable
4 years of samples
  • 32 ft max depth
  • Limited data

Lake Weddington in Washington County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 7.4 µg/L.

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Lake Weddington is a lake in Washington County, Arkansas with an estimated average depth of about 32 feet. Phosphorus level is improving over recent sampling years.

Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2016-05-24. Methodology: how these readings are compared.

What Lake Weddington is good for

From access and monitoring records, not editorial picks.

  • Camping2 public campgrounds nearby

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lake Weddington is safe to swim in today is a call for the Arkansas Division of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lake Weddington

These are the measurements Arkansas DEQ publishes for Lake Weddington, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. Phosphorus 20 µg/L. Chlorophyll-a 7.4 µg/L. TSI 49.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus20µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)7.4µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.49Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Lake Weddington

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

~32 ft est.

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Arkansas has not published bathymetry for Lake Weddington.

Lake Size & Watershed

Watershed (drainage) area

4 sq mi

HydroLAKES / HydroSHEDS

Surface area

49 acres

HydroLAKES / HydroSHEDS

Shoreline

2 mi

HydroLAKES / HydroSHEDS

Elevation

1,152 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Recreation & Access

2
Campgrounds

Public campgrounds near Lake Weddington

  • Lake Wedington0.4 kmReserve
  • Lake Wedington Recreation Area0.7 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Lake Weddington

Compare lakeside cabins, hotels, and vacation rentals near Lake Weddington in Washington 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 Weddington

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

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 →

Follow Lake Weddington’s readings

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Fishing Lake Weddington

Based on 4 years of monitoring (2012–2015).

  • Phosphorus

    Improving

    -2.55 µg/L/yr4 years

  • Chlorophyll-a

    Worsening

    +0.56 µg/L/yr4 years

See year-by-year chart →

Nearby Lakes in Washington County

Frequently asked questions about Lake Weddington

Where is Lake Weddington?

Lake Weddington is a lake in Washington County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.

What is the water quality of Lake Weddington?

Lake Weddington in Washington County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 7.4 µg/L.

Measurements on this page ↑

Is Lake Weddington safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Lake Weddington?

No published bathymetric survey covers Lake Weddington, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 32 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Are there campgrounds on Lake Weddington?

Lake Weddington has 2 public campgrounds from USGS The National Map within 5 km, including Lake Wedington, Lake Wedington Recreation Area. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Access on this page ↑

Where this data comes from

37 measurements from 1 monitoring station, 2012–2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Arkansas Department of Environmental QualityARDEQH2O_WQX37 samples · 2012–2016

Analytical methods

  • 4500 P J ~ Persulfate Method for Simultaneous Determination of Total Nitrogen and Total Phosphorus
  • 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)

Public campgrounds from USGS The National Map Structures, within about 3 miles