Pickthorne Lake Along Eastern Most Levee.
Lonoke County, ArkansasView mapDirections
Nutrients and algae run above the regional average.
↓ down from C at the last regrade
- Eutrophic
- Impaired · Turbidity
- #1 of 1 in the county
- 40 ft max depth
- Public access
- Limited data
Pickthorne Lake Along Eastern Most Levee. in Lonoke County, Arkansas has a water quality grade of D (Nutrient-rich). Phosphorus: 70 µg/L. Chlorophyll-a (algae): 16 µg/L.
- Max depth
- ~40 ft est.
- Type
- Eutrophic
- Phosphorus
- 70 µg/L
- Chlorophyll-a
- 16 µg/L
- Trend
- → Stable
- Public access
- Yes
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Pickthorne Lake Along Eastern Most Levee. is a productive, nutrient-rich eutrophic lake in Lonoke County, Arkansas with an estimated average depth of about 40 feet. Water quality is graded D based on 3 sampling years through 2023. Phosphorus level is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2023-03-08. Grade methodology: LakeQuality methodology.
What Pickthorne Lake Along Eastern Most Levee. is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The D is nutrients and algae, not a swimming clearance. Pickthorne Lake Along Eastern Most Levee. is listed impaired under Clean Water Act §303(d) (IR 5) for turbidity. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus 70 µg/L. Chlorophyll-a 16 µg/L. TSI 62. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 70 µg/L | Poor |
| Chlorophyll-a (Algae) | 16 µg/L | Fair |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~40 ft est. |
| Average Depth | ~9 ft est. |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Arkansas has not published bathymetry for Pickthorne Lake Along Eastern Most Levee..
Lake Size & Watershed
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
Fishing Pickthorne Lake Along Eastern Most Levee.
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↓ Declining | +25 µg/L/yr | 3 |
| Chlorophyll-a | ↑ Improving | -0.7 µg/L/yr | 3 |
EPA Impairment Status
Pickthorne Lake Along Eastern Most Levee. is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit AR_08020402_4010 · Official waterbody report · Matched by proximity (0.42 km)
County Ranking
Ranked #1 of 1 lakes in Lonoke County
Nearby Lakes in Lonoke County
Frequently asked questions about Pickthorne Lake Along Eastern Most Levee.
Where is Pickthorne Lake Along Eastern Most Levee.?
- Pickthorne Lake Along Eastern Most Levee. is a lake in Lonoke County, Arkansas. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Pickthorne Lake Along Eastern Most Levee.?
- Pickthorne Lake Along Eastern Most Levee. in Lonoke County, Arkansas has a water quality grade of D (Nutrient-rich). Phosphorus: 70 µg/L. Chlorophyll-a (algae): 16 µg/L.
Is Pickthorne Lake Along Eastern Most Levee. safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Pickthorne Lake Along Eastern Most Levee. is listed impaired under Clean Water Act §303(d) (IR 5) for turbidity. Check local advisories before you swim.
How deep is Pickthorne Lake Along Eastern Most Levee.?
- No published bathymetric survey covers Pickthorne Lake Along Eastern Most Levee., so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 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 boat ramps on Pickthorne Lake Along Eastern Most Levee.?
- Pickthorne Lake Along Eastern Most Levee. has 1 documented boat landing in the USGS National Boat Ramps inventory. Public access is listed as yes.
Explore Pickthorne Lake Along Eastern Most Levee. across LakeQuality
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Where this data comes from
42 measurements from 1 monitoring station, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Arkansas Department of Environmental Quality
ARDEQH2O_WQX42 samples · 2020–2023
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
- Turbidity by Nephelometry
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory