Tallapoosa County, Alabama · Water Quality Report Card
Lake Martin
Lake Martin in Tallapoosa County, Alabama is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 7.5 ft visibility.
- Clarity
- 7.5 ft
- Mean depth
- ~49 ft est.
- Type
- Mesotrophic
- Trend
- ↑ Improving
Lake Martin is a mesotrophic lake in Tallapoosa County, Alabama with an estimated average depth of about 49 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2022-12-23. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
Moderate clarity, visible to about 7.5 ft. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.5 ft | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Average Depth | ~49 ft est. |
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alabama has not published bathymetry for Lake Martin.
Where to stay near Lake Martin
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Fishing Lake Martin
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.115 m/yr | 5 |
Location
Nearby Lakes in Tallapoosa County
Explore Lake Martin across LakeGrade
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Where this data comes from
601 measurements from 22 monitoring stations, 2012–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Alabama Water Watch
AWW_WQX601 samples · 2012–2022
Analytical methods
- AWW QAPP
Monitoring station identifiers (22)
- AWW_WQX-aww_0777
- AWW_WQX-aww_0778
- AWW_WQX-aww_0781
- AWW_WQX-aww_1057
- AWW_WQX-aww_2144
- AWW_WQX-aww_1191
- AWW_WQX-aww_0784
- AWW_WQX-aww_0779
- AWW_WQX-aww_1021
- AWW_WQX-aww_1148
- AWW_WQX-aww_1709
- AWW_WQX-aww_0782
- AWW_WQX-aww_0943
- AWW_WQX-aww_0941
- AWW_WQX-aww_2269
- AWW_WQX-aww_0980
- AWW_WQX-aww_2423
- AWW_WQX-aww_2473
- AWW_WQX-aww_2556
- AWW_WQX-aww_2542
- AWW_WQX-aww_2408
- AWW_WQX-aww_2134
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2022-12-23
Monitoring stations: 35