Pelahatchie Lake
Pelahatchie Lake in Rankin County, Mississippi has a water quality grade of C (Fair). Water clarity: 2.5 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 26 µg/L.
- Clarity
- 2.5 ft
- Type
- Eutrophic
Pelahatchie Lake is a productive, nutrient-rich eutrophic lake in Rankin County, Mississippi. Water quality is graded C based on 2 sampling years through 2024. Compared to the 2 other monitored lakes in Rankin County, Pelahatchie Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-10-01. 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)
Very murky, less than 2.5 ft of visibility. Phosphorus level: 40 µg/L. Chlorophyll-a: 26 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | Not graded |
| Phosphorus | 40 µg/L | Good |
| Chlorophyll-a (Algae) | 26 µg/L | Fair |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Pelahatchie Lake
Compare lakeside cabins, hotels, and vacation rentals near Pelahatchie Lake in Rankin 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.
Top-rated places to stay near Pelahatchie Lake
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Fishing Pelahatchie Lake
Reservoir Info (USACE NID)
Pelahatchie Lake is a man-made reservoir impounded by the Pelahatchie Lake Dam, built primarily for recreation; earth-type dam, 30 ft tall.
- Max storage
- 1,200 ac-ft
- Hazard class
- Low
- Owner
- CITY OF PELAHATCHIE
Source: USACE National Inventory of Dams, NID ID MS01257 · Operator website
County Ranking
Ranked #1 of 3 lakes in Rankin County
Nearby Lakes in Rankin County
Frequently asked questions about Pelahatchie Lake
Where is Pelahatchie Lake?
- Pelahatchie Lake is a lake in Rankin County, Mississippi. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Pelahatchie Lake?
- Pelahatchie Lake in Rankin County, Mississippi has a water quality grade of C (Fair). Water clarity: 2.5 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 26 µg/L.
Is Pelahatchie Lake safe to swim in?
- Swim with caution, moderate algae may be present. Pelahatchie Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 26 µg/L. Always check local health department advisories before swimming.
Explore Pelahatchie Lake across LakeGrade
More Mississippi Lake Rankings
Other Grade C Lakes in Mississippi
Eutrophic Lakes in Mississippi
Where this data comes from
68 measurements from 1 monitoring station, 2022–2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY
21MSWQ_WQX68 samples · 2022–2024
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.