Murphy Lake
Tallapoosa County, AlabamaView mapDirections
ADEM publishes the water-quality measurements for Murphy Lake. Here is what has been measured.
- 39 ft max depth
- Limited data
Ask about Murphy Lake
Answers come straight from the public measurements and survey records on this page.
Murphy Lake in Tallapoosa County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 3.7 ft visibility.
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Murphy Lake is a lake in Tallapoosa County, Alabama with an estimated average depth of about 39 feet.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2022-08-16. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Murphy 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 Murphy Lake
These are the measurements ADEM publishes for Murphy Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.7 ft. TSI 58.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.7 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~39 ft est. |
| Average Depth | ~9 ft est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Alabama has not published bathymetry for Murphy Lake.
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.
Fishing Murphy Lake
Nearby Lakes in Tallapoosa County
Frequently asked questions about Murphy Lake
Where is Murphy Lake?
- Murphy Lake is a lake in Tallapoosa County, Alabama. Its water-quality measurements are published by ADEM and shown on this page as reported.
What is the water quality of Murphy Lake?
- Murphy Lake in Tallapoosa County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 3.7 ft visibility.
Is Murphy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Murphy Lake?
- No published bathymetric survey covers Murphy Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 39 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Alabama Water Watch
AWW_WQX1 sample · 2022
Analytical methods
- AWW QAPP
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.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)