Chewalla Lake
Marshall County, MississippiView mapDirections
MDEQ publishes the water-quality measurements for Chewalla Lake. Here is what has been measured.
- Eutrophic
- Public access
Chewalla Lake in Marshall County, Mississippi has water-quality measurements published by MDEQ, shown here as reported. Water clarity: 2.5 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 11.4 µg/L.
Chewalla Lake is a 0-acre productive, nutrient-rich eutrophic lake in Marshall County, Mississippi. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-10-14. Methodology: how these readings are compared.
What Chewalla Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping2 public campgrounds nearby
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Chewalla Lake is safe to swim in today is a call for the Mississippi Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Chewalla Lake
These are the measurements MDEQ publishes for Chewalla Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.5 ft of visibility. Phosphorus 20 µg/L. Chlorophyll-a 11.4 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 11.4µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Chewalla Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Chewalla LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Chewalla Lake
- Chewalla Lake Recreation Area0.3 kmReserve
- Chewalla Lake0.5 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 Chewalla Lake
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Fishing Chewalla Lake
Reservoir Info (USACE NID)
Chewalla Lake is a man-made reservoir impounded by the Chewalla Lake Dam (Lt 7-1) (completed 1966), built primarily for flood risk reduction on the Chewalla Creek; earth-type dam, 48 ft tall and 2,620 ft long.
- Surface area
- 0 ac
- Normal storage
- 1,450 ac-ft
- Max storage
- 9,900 ac-ft
- Drainage area
- 29 sq mi
- Hazard class
- Low
- Owner
- USDA FS
Source: USACE National Inventory of Dams, NID ID MS00943 · Operator website · Matched by proximity (0.98 km)
Nearby Lakes in Marshall County
Frequently asked questions about Chewalla Lake
Where is Chewalla Lake?
- Chewalla Lake is a lake in Marshall County, Mississippi. Its water-quality measurements are published by MDEQ and shown on this page as reported.
What is the water quality of Chewalla Lake?
- Chewalla Lake in Marshall County, Mississippi has water-quality measurements published by MDEQ, shown here as reported. Water clarity: 2.5 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 11.4 µg/L.
Is Chewalla Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Chewalla Lake?
- Chewalla Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Chewalla Lake. Public access is listed as yes.
Can I fish at Chewalla Lake?
- Chewalla Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Mississippi's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Chewalla Lake?
- Chewalla Lake has 2 public campgrounds from USGS The National Map within 5 km, including Chewalla Lake Recreation Area, Chewalla Lake. 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.
Explore Chewalla Lake across LakeQuality
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Where this data comes from
42 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY
21MSWQ_WQX42 samples · 2020–2021
Analytical methods
- Phosphorus by Colorimetry
- 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
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles