Geiger Lake
Geiger Lake in Forrest County, Mississippi has a water quality grade of B (Good). Water clarity: 3.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 9.6 µg/L. Surface area: 296 acres.
- Clarity
- 3.9 ft
- Area
- 296 acres
- Type
- Eutrophic
- Public access
- Yes
Geiger Lake is a 296-acre productive, nutrient-rich eutrophic lake in Forrest County, Mississippi. Water quality is graded B based on 2 sampling years through 2024. 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 2024-10-07. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow algae
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 3.9 ft. Phosphorus level: 40 µg/L. Chlorophyll-a: 9.6 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | Not graded |
| Phosphorus | 40 µg/L | Good |
| Chlorophyll-a (Algae) | 9.6 µg/L | Good |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Geiger Lake
Compare lakeside cabins, hotels, and vacation rentals near Geiger Lake in Forrest 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 Geiger Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 296 acres |
| Public Access | Yes |
No bathymetric survey has been published for Geiger Lake, so its depth is not documented here.
Recreation & Access
- Gieger LakePublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Geiger Lake
Reservoir Info (USACE NID)
Geiger Lake is a man-made reservoir impounded by the Paul B. Johnson State Park Dam, built primarily for recreation; earth-type dam, 30 ft tall.
- Surface area
- 296 ac
- Max storage
- 7,200 ac-ft
- Hazard class
- Low
- Owner
- MISSISSIPPI DEPARTMENT OF WILDLIFE FISHERIES AND PARKS
Source: USACE National Inventory of Dams, NID ID MS02490 · Operator website · Matched by proximity (0.19 km)
County Ranking
Ranked #1 of 1 lakes in Forrest County
Nearby Lakes in Forrest County
Frequently asked questions about Geiger Lake
Where is Geiger Lake?
- Geiger Lake is a lake in Forrest County, Mississippi. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Geiger Lake?
- Geiger Lake in Forrest County, Mississippi has a water quality grade of B (Good). Water clarity: 3.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 9.6 µg/L. Surface area: 296 acres.
Is Geiger Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Geiger Lake has a water quality grade of B (Good). Algae concentration (chlorophyll-a) is 9.6 µg/L. Always check local health department advisories before swimming.
Are there boat ramps on Geiger Lake?
- Geiger Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Gieger Lake. Public access is listed as yes.
Explore Geiger Lake across LakeGrade
More Mississippi Lake Rankings
Other Grade B Lakes in Mississippi
Eutrophic Lakes in Mississippi
Where this data comes from
86 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_WQX86 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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory