Dead Lakes West Arm
Gulf County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Dead Lakes West Arm. Here is what has been measured.
- Eutrophic
- 31 ft max depth
- Public access
- Limited data
Dead Lakes West Arm in Gulf County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.9 ft visibility. Phosphorus: 16 µg/L.
Dead Lakes West Arm is a productive, nutrient-rich eutrophic lake in Gulf County, Florida with an estimated average depth of about 31 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Gulf County, Dead Lakes West Arm ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-11-01. Methodology: how these readings are compared.
What Dead Lakes West Arm is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
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 Dead Lakes West Arm is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Dead Lakes West Arm
These are the measurements Florida DEP publishes for Dead Lakes West Arm, 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 3.9 ft. Phosphorus 16 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 16µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Dead Lakes West Arm
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Dead Lakes West Arm typically sits around 78°F at the surface in September. Summer average is about 81°F. Usually warmest in Aug (about 82°F) and coldest in Jan (about 57°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (57°F) to its warmest (82°F).
Typical surface water temperature by month, from 24 field readings (2015–2021) via the EPA Water Quality Portal. See the full Dead Lakes West Arm water temperature breakdown →
Lake Details
Max depth
~31 ft est.
Public access
Yes
Listed by Florida DEP
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Dead Lakes West Arm.
Lake Size & Watershed
Watershed (drainage) area
38 sq mi
HydroLAKES / HydroSHEDS
Surface area
133 acres
HydroLAKES / HydroSHEDS
Shoreline
4.5 mi
HydroLAKES / HydroSHEDS
Elevation
30 ft
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.
Recreation & Access
- Dead Lakes County ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Dead Lakes West Arm
Compare lakeside cabins, hotels, and vacation rentals near Dead Lakes West Arm in Gulf County, Florida — 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 Dead Lakes West Arm
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Follow Dead Lakes West Arm’s readings
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Fishing Dead Lakes West Arm
Water quality readings over time
3 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening3 years
Phosphorus
Worsening+8.75 µg/L/yr3 years
Nearby Lakes in Gulf County
Frequently asked questions about Dead Lakes West Arm
Where is Dead Lakes West Arm?
- Dead Lakes West Arm is a lake in Gulf County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Dead Lakes West Arm?
- Dead Lakes West Arm in Gulf County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.9 ft visibility. Phosphorus: 16 µg/L.
Is Dead Lakes West Arm safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Dead Lakes West Arm?
- Dead Lakes West Arm typically sits around 78°F at the surface in September, from 24 EPA Water Quality Portal field readings (2015–2021). That is a typical value for the month, not a live reading.
How deep is Dead Lakes West Arm?
- No published bathymetric survey covers Dead Lakes West Arm, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 31 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Dead Lakes West Arm?
- Dead Lakes West Arm has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Dead Lakes County Park. Public access is listed as yes.
Can I fish at Dead Lakes West Arm?
- Dead Lakes West Arm has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
Explore Dead Lakes West Arm across LakeQuality
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Where this data comes from
17 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples17 samples · 2020–2021
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)
Named boat-access points from the USGS National Boat Ramps inventory