Table Rock L. @ Mouth of James R. Arm Lake
Stone County, MissouriView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from B at the last regrade
- Mesotrophic
- Threadfin Shad
- #6 of 15 in the county
- Public access
- Limited data
Table Rock L. @ Mouth of James R. Arm Lake in Stone County, Missouri has a water quality grade of A (Excellent). Water clarity: 7.9 ft visibility. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 2.2 µg/L.
- Clarity
- 7.9 ft
- Typical in September
- 79°F
- Type
- Mesotrophic
- Public access
- Yes
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Watch Table Rock L. @ Mouth of James R. Arm Lake’s letter
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Table Rock L. @ Mouth of James R. Arm Lake is a mesotrophic lake in Stone County, Missouri. Water quality is graded A based on 2 sampling years through 2022. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 14 other monitored lakes in Stone County, Table Rock L. @ Mouth of James R. Arm Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2022-09-17. Grade methodology: LakeQuality methodology.
What Table Rock L. @ Mouth of James R. Arm Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
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 A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 7.9 ft. Phosphorus 11.5 µg/L. Chlorophyll-a 2.2 µg/L. TSI 42. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.9 ft | Not graded |
| Phosphorus | 11.5 µg/L | Good |
| Chlorophyll-a (Algae) | 2.2 µg/L | Good |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Water Temperature
Table Rock L. @ Mouth of James R. Arm Lake typically sits around 79°F at the surface in September. Summer average is about 81°F. Usually warmest in Jul (about 83°F) and coldest in Apr (about 58°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 64 field readings (2010–2022) via the EPA Water Quality Portal. See the full Table Rock L. @ Mouth of James R. Arm Lake water temperature breakdown →
Recreation & Access
- Joe Bald ParkPublic
- Mill CreekPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Table Rock L. @ Mouth of James R. Arm Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Source: USGS Nonindigenous Aquatic Species (NAS) Database. Hover a chip to see scientific name, ecological context, status, and first-observed year.
Regulated Pollution Sources Nearby
8 EPA-permitted facilities operate within about 5 miles of Table Rock L. @ Mouth of James R. Arm Lake under Clean Water Act (NPDES) discharge permits. 5 facilities have a reported Clean Water Act violation in the past three years.
- Sleepy Hollow Resort Condominium WwtpKimberling City · 1 mi away · NPDES MO0134988Recent violation
- Bread Tray Mountain Estates WwtpBlue Eye · 1.1 mi away · NPDES MO0133124Recent violation
- Forest Lane SubdivisionKimberling City · 1.4 mi away · NPDES MO0119466Recent violation
- Forest Glen Homeowners Association WwtfKimberling City · 1.4 mi away · NPDES MO0126501Recent violation
- Clearwater Cove Young Life WwtpLampe · 1.6 mi away · NPDES MO0137774Recent violation
- Bluff'S Run Subdivision WwtfKimberling City · 0.8 mi away · NPDES MO0131326
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #6 of 15 lakes in Stone County
Nearby Lakes in Stone County
Frequently asked questions about Table Rock L. @ Mouth of James R. Arm Lake
Where is Table Rock L. @ Mouth of James R. Arm Lake?
- Table Rock L. @ Mouth of James R. Arm Lake is a lake in Stone County, Missouri. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Table Rock L. @ Mouth of James R. Arm Lake?
- Table Rock L. @ Mouth of James R. Arm Lake in Stone County, Missouri has a water quality grade of A (Excellent). Water clarity: 7.9 ft visibility. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 2.2 µg/L.
Is Table Rock L. @ Mouth of James R. Arm Lake safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Table Rock L. @ Mouth of James R. Arm Lake?
- Table Rock L. @ Mouth of James R. Arm Lake typically sits around 79°F at the surface in September, from 64 EPA Water Quality Portal field readings (2010–2022). That is a typical value for the month, not a live reading.
Are there boat ramps on Table Rock L. @ Mouth of James R. Arm Lake?
- Table Rock L. @ Mouth of James R. Arm Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Joe Bald Park, Mill Creek. Public access is listed as yes.
Explore Table Rock L. @ Mouth of James R. Arm Lake across LakeQuality
Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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Where this data comes from
21 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC21 samples · 2022
Analytical methods
- Depth, Secchi disk in meters
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory