Gaig Lake
Sumter County, AlabamaView mapDirections
ADEM publishes the water-quality measurements for Gaig Lake. Here is what has been measured.
- Eutrophic
- Public access
Gaig Lake in Sumter County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 15 µg/L.
Gaig Lake is a productive, nutrient-rich eutrophic lake in Sumter County, Alabama. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 1 other monitored lakes in Sumter County, Gaig Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2025-10-28. Methodology: how these readings are compared.
Swimming conditions
Readings onlyAlgae risk
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 Gaig Lake is safe to swim in today is a call for the Alabama Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Gaig Lake
These are the measurements ADEM publishes for Gaig 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 3 ft of visibility. Phosphorus 25 µg/L. Chlorophyll-a 15 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 25µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 15µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Gaig Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Gaig Lake
Compare lakeside cabins, hotels, and vacation rentals near Gaig Lake in Sumter County, Alabama — 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 Gaig Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Alabama’s top lakes →
Follow Gaig Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Gaig Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2014–2025).
Water clarity
Worsening5 years
Phosphorus
Worsening+1.92 µg/L/yr5 years
Chlorophyll-a
Worsening+0.45 µg/L/yr5 years
Nearby Lakes in Sumter County
Frequently asked questions about Gaig Lake
Where is Gaig Lake?
- Gaig Lake is a lake in Sumter County, Alabama. Its water-quality measurements are published by ADEM and shown on this page as reported.
What is the water quality of Gaig Lake?
- Gaig Lake in Sumter County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 15 µg/L.
Is Gaig Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Gaig Lake?
- Public access to Gaig Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Alabama's fish and wildlife agency, so check its current regulations before you go.
Explore Gaig Lake across LakeQuality
More lakes in Alabama
Other Lakes in Alabama
Where this data comes from
155 measurements from 1 monitoring station, 2014–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC155 samples · 2014–2025
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- 2120 B ~ Color in Water by Visual Comparison
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.