Natchez State Park Lake
Natchez State Park Lake in Adams County, Mississippi has a water quality grade of C (Fair). Water clarity: 3.3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 24.9 µg/L. Surface area: 230 acres.
- Clarity
- 3.3 ft
- Area
- 230 acres
- Type
- Eutrophic
- Public access
- Yes
Natchez State Park Lake is a 230-acre productive, nutrient-rich eutrophic lake in Adams 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 2021-10-07. 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)
Very murky, less than 3.3 ft of visibility. Phosphorus level: 30 µg/L. Chlorophyll-a: 24.9 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | Not graded |
| Phosphorus | 30 µg/L | Good |
| Chlorophyll-a (Algae) | 24.9 µg/L | Fair |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Natchez State Park Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 230 acres |
| Public Access | Yes |
No bathymetric survey has been published for Natchez State Park Lake, so its depth is not documented here.
Recreation & Access
- Lake Natchez State ParkPublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Natchez State Park Lake
Reservoir Info (USACE NID)
Natchez State Park Lake is a man-made reservoir impounded by the Natchez State Park Dam (completed 1984), built primarily for recreation on the Whitens Creek; earth-type dam, 70 ft tall and 2,100 ft long.
- Surface area
- 230 ac
- Normal storage
- 3,000 ac-ft
- Max storage
- 5,671 ac-ft
- Drainage area
- 4.31 sq mi
- Hazard class
- High
- Owner
- MISSISSIPPI DEPARTMENT OF WILDLIFE FISHERIES AND PARKS
Source: USACE National Inventory of Dams, NID ID MS02948 · Operator website
County Ranking
Ranked #1 of 1 lakes in Adams County
Nearby Lakes in Adams County
Frequently asked questions about Natchez State Park Lake
Where is Natchez State Park Lake?
- Natchez State Park Lake is a lake in Adams County, Mississippi. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Natchez State Park Lake?
- Natchez State Park Lake in Adams County, Mississippi has a water quality grade of C (Fair). Water clarity: 3.3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 24.9 µg/L. Surface area: 230 acres.
Is Natchez State Park Lake safe to swim in?
- Swim with caution, moderate algae may be present. Natchez State Park Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 24.9 µg/L. Always check local health department advisories before swimming.
Are there boat ramps on Natchez State Park Lake?
- Natchez State Park Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Natchez State Park. Public access is listed as yes.
Explore Natchez State Park Lake across LakeGrade
More Mississippi Lake Rankings
Other Grade C Lakes in Mississippi
Eutrophic Lakes in Mississippi
Where this data comes from
64 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_WQX64 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