Bobb Kidd Lake
Washington County, Arkansas200 acresView mapDirections
Nutrients and algae run above the regional average.
↓ down from C at the last regrade
- Eutrophic
- #2 of 6 in the county
- 79 ft max depth
- Public access
Bobb Kidd Lake in Washington County, Arkansas has a water quality grade of D (Nutrient-rich). Phosphorus: 42.5 µg/L. Chlorophyll-a (algae): 22.8 µg/L. Surface area: 200 acres.
- Max depth
- ~79 ft est.
- Area
- 200 acres
- Type
- Eutrophic
- Phosphorus
- 42.5 µg/L
- Chlorophyll-a
- 22.8 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
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Bobb Kidd Lake is a 200-acre productive, nutrient-rich eutrophic lake in Washington County, Arkansas with an estimated average depth of about 79 feet. Water quality is graded D based on 2 sampling years through 2026. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 5 other monitored lakes in Washington County, Bobb Kidd Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2026-02-23. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyAlgae risk
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. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus 42.5 µg/L. Chlorophyll-a 22.8 µg/L. TSI 60. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 42.5 µg/L | Poor |
| Chlorophyll-a (Algae) | 22.8 µg/L | Poor |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~79 ft est. |
| Average Depth | ~16 ft est. |
| Surface Area | 200 acres |
| 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 Bobb Kidd Lake.
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.
Fishing Bobb Kidd Lake
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | → Stable | +0.18 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +1.9 µg/L/yr | 7 |
Reservoir Info (USACE NID)
Bobb Kidd Lake is a man-made reservoir impounded by the Muddy Fork Site 3 (completed 1975), built primarily for flood risk reduction on the Budd Kidd Creek; earth-type dam, 50 ft tall and 2,825 ft long.
- Surface area
- 200 ac
- Normal storage
- 2,657 ac-ft
- Max storage
- 4,767 ac-ft
- Drainage area
- 3.9 sq mi
- Hazard class
- High
- Owner
- Arkansas Game and Fish Commission
All listed purposes: Flood Risk Reduction;Recreation.
Source: USACE National Inventory of Dams, NID ID AR01101 · Operator website · Matched by proximity (0.24 km)
County Ranking
Ranked #2 of 6 lakes in Washington County
Nearby Lakes in Washington County
Frequently asked questions about Bobb Kidd Lake
Where is Bobb Kidd Lake?
- Bobb Kidd Lake is a lake in Washington County, Arkansas. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Bobb Kidd Lake?
- Bobb Kidd Lake in Washington County, Arkansas has a water quality grade of D (Nutrient-rich). Phosphorus: 42.5 µg/L. Chlorophyll-a (algae): 22.8 µg/L. Surface area: 200 acres.
Is Bobb Kidd Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
How deep is Bobb Kidd Lake?
- No published bathymetric survey covers Bobb Kidd Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 79 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 200 acres.
Explore Bobb Kidd Lake across LakeQuality
More Arkansas Lake Rankings
Other Grade D Lakes in Arkansas
Eutrophic Lakes in Arkansas
Where this data comes from
66 measurements from 1 monitoring station, 2012–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Arkansas Department of Environmental Quality
ARDEQH2O_WQX66 samples · 2012–2026
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
Lake size & watershed from HydroLAKES (HydroSHEDS)