Shadow Lake
Shadow Lake in Scott County, Mississippi has a water quality grade of C (Fair). Water clarity: 4.8 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 19.7 µg/L. Surface area: 130 acres.
- Clarity
- 4.8 ft
- Area
- 130 acres
- Type
- Eutrophic
- Public access
- Yes
Shadow Lake is a 130-acre productive, nutrient-rich eutrophic lake in Scott County, Mississippi. Water quality is graded C based on 2 sampling years through 2021. 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 2021-10-01. Grade methodology: LakeGrade methodology.
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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.
Swim with caution, moderate algae may be present
Water Quality Grade: C (Fair)
Murky, only visible to about 4.8 ft. Phosphorus level: 30 µg/L. Chlorophyll-a: 19.7 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.8 ft | Not graded |
| Phosphorus | 30 µg/L | Good |
| Chlorophyll-a (Algae) | 19.7 µg/L | Fair |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Shadow Lake
Compare lakeside cabins, hotels, and vacation rentals near Shadow Lake in Scott County, Mississippi — 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 130 acres |
| Public Access | Yes |
No bathymetric survey has been published for Shadow Lake, so its depth is not documented here.
Recreation & Access
- Roosevelt State ParkPublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Shadow Lake
Reservoir Info (USACE NID)
Shadow Lake is a man-made reservoir impounded by the Roosevelt State Park Lake Dam (completed 1935), built primarily for recreation on the Unt of Line Creek; earth-type dam, 30 ft tall and 2,200 ft long.
- Surface area
- 130 ac
- Normal storage
- 1,040 ac-ft
- Max storage
- 2,860 ac-ft
- Drainage area
- 1.45 sq mi
- Hazard class
- High
- Owner
- MISSISSIPPI DEPARTMENT OF WILDLIFE FISHERIES AND PARKS
Source: USACE National Inventory of Dams, NID ID MS02349 · Operator website · Matched by proximity (0.08 km)
County Ranking
Ranked #1 of 1 lakes in Scott County
Nearby Lakes in Scott County
Frequently asked questions about Shadow Lake
Where is Shadow Lake?
- Shadow Lake is a lake in Scott County, Mississippi. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Shadow Lake?
- Shadow Lake in Scott County, Mississippi has a water quality grade of C (Fair). Water clarity: 4.8 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 19.7 µg/L. Surface area: 130 acres.
Is Shadow Lake safe to swim in?
- Swim with caution, moderate algae may be present. Shadow Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 19.7 µg/L. Always check local health department advisories before swimming.
Are there boat ramps on Shadow Lake?
- Shadow Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Roosevelt State Park. Public access is listed as yes.
Explore Shadow Lake across LakeGrade
More Mississippi Lake Rankings
Other Grade C Lakes in Mississippi
Eutrophic Lakes in Mississippi
Where this data comes from
63 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_WQX63 samples · 2020–2021
Analytical methods
- Phosphorus by Colorimetry
- 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
Named boat-access points from the USGS National Boat Ramps inventory