Carter Rd X Pit Lake
Polk County, FloridaHypereutrophic
Carter Rd X Pit Lake is a highly nutrient-loaded hypereutrophic lake in Polk County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 360 other monitored lakes in Polk County, Carter Rd X Pit Lake ranks #269 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-09-11. Grade methodology: LakeGrade methodology.
Watch Carter Rd X Pit Lake water quality
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 3.1 ft of visibility. Phosphorus level: 571.5 µg/L. Trophic State Index: 78.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.1 ft | D |
| Phosphorus | 571.5 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 78 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #269 of 361 lakes in Polk County
Nearby Lakes in Polk County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Hypereutrophic Lakes in Florida
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Carter Rd X Pit Lake under Clean Water Act (NPDES) discharge permits, including 2 classified by the EPA as major dischargers. 1 facility has a reported Clean Water Act violation in the past three years.
- Mosaic Fertilizer, Llc - Bartow Chemical PlantBartow · 3.1 mi away · NPDES FL0001589MajorRecent violation
- Mosaic Fertilizer Llc - Bartow North Stack ClosureBartow · 3.1 mi away · NPDES FL0267911Major
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-09-11
Monitoring stations: 1
Where to stay near Carter Rd X Pit Lake
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