Dead Lakes West Arm
Dead Lakes West Arm in Gulf County, Florida has a water quality grade of B (Good). Water clarity: 3.9 ft visibility. Phosphorus: 16 µg/L.
- Clarity
- 3.9 ft
- Typical in August
- 82°F
- Max depth
- ~31 ft est.
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Dead Lakes West Arm is a productive, nutrient-rich eutrophic lake in Gulf County, Florida with an estimated average depth of about 31 feet. Water quality is graded B based on 1 sampling years through 2021. 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. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
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: 16 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | Not graded |
| Phosphorus | 16 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay 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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Water Temperature
Dead Lakes West Arm typically sits around 82°F at the surface in August. 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.
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
| Characteristic | Value |
|---|---|
| Maximum Depth | ~31 ft est. |
| Average Depth | ~9 ft est. |
| Public Access | Yes |
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
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
Fishing Dead Lakes West Arm
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.25 m/yr | 3 |
| Phosphorus | ↓ Declining | +8.75 µg/L/yr | 3 |
County Ranking
Ranked #1 of 2 lakes in Gulf County
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. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Dead Lakes West Arm?
- Dead Lakes West Arm in Gulf County, Florida has a water quality grade of B (Good). Water clarity: 3.9 ft visibility. Phosphorus: 16 µg/L.
Is Dead Lakes West Arm safe to swim in?
- Good for swimming, clear water with low algae levels. Dead Lakes West Arm has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Dead Lakes West Arm?
- Dead Lakes West Arm typically sits around 82°F at the surface in August, 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.
Explore Dead Lakes West Arm across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
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)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory