Skip to main content
LakeQuality

Carter Rd Y Pit Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #133 of 177 lakes in the county · 2.5 ft clear · Hypereutrophic · from F
Hypereutrophic

Carter Rd Y Pit Lake in Polk County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.5 ft visibility. Phosphorus: 424 µg/L.

Clarity
2.5 ft
Typical in August
87°F
Type
Hypereutrophic
Trend
Improving

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Carter Rd Y Pit Lake

Next lake in Polk County

Swipe left or right on this bar to open the next or previous lake.

Loading map…

Carter Rd Y Pit Lake is a highly nutrient-loaded hypereutrophic lake in Polk County, Florida. Water quality is graded D based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Compared to the 176 other monitored lakes in Polk County, Carter Rd Y Pit Lake ranks #133 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-09-11. Grade methodology: LakeQuality methodology.

Watch Carter Rd Y Pit Lake water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Grade only

Elevated nutrients

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.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Get alerts for Carter Rd Y Pit Lake

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 2.5 ft of visibility. Phosphorus level: 424 µg/L. Trophic State Index: 78.

MetricValueGrade
Water Clarity (Secchi Depth)2.5 ftNot graded
Phosphorus424 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)78Hypereutrophic

Very high nutrients, dense algae, poor clarity

Where to stay near Carter Rd Y Pit Lake

Compare lakeside cabins, hotels, and vacation rentals near Carter Rd Y Pit Lake in Polk 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Carter Rd Y Pit Lake are listed below.

Top-rated places to stay near Carter Rd Y Pit Lake

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Florida’s top lakes →

Water Temperature

Carter Rd Y Pit Lake typically sits around 87°F at the surface in August. Summer average is about 86°F. Usually warmest in Aug (about 87°F) and coldest in Jan (about 65°F). These are typical values by month — not a live reading.

Jan
65°
Feb
65°
Mar
74°
Apr
76°
May
79°
Jun
85°
Jul
86°
Aug
87°
Sep
84°
Oct
77°
Nov
71°
Dec
68°

Typical surface water temperature by month, from 62 field readings (20102025) via the EPA Water Quality Portal. See the full Carter Rd Y Pit Lake water temperature breakdown →

Fishing Carter Rd Y Pit Lake

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.001 m/yr6
Phosphorus Improving-9.73 µg/L/yr6
See year-by-year chart →

Regulated Pollution Sources Nearby

5 EPA-permitted facilities operate within about 5 miles of Carter Rd Y Pit Lake under Clean Water Act (NPDES) discharge permits, including 4 classified by the EPA as major dischargers. 2 facilities have a reported Clean Water Act violation in the past three years.

  • Mosaic Fertilizer Llc - Bonnie Facility
    Bartow · 4.5 mi away · NPDES FL0000523
    MajorRecent violation
  • Mulberry, City Of
    Mulberry · 2.2 mi away · NPDES FLS266744
    Major
  • Mosaic Fertilizer, Llc - Mulberry Chemical Plant
    Mulberry · 2.7 mi away · NPDES FL0000671
    Major
  • Mosaic Fertilizer, Llc - Nichols Concentrates
    Nichols · 4.4 mi away · NPDES FL0030139
    Major
  • Mulberry City Of
    Mulberry · 1.9 mi away · NPDES FL0020338
    Recent violation

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.

County Ranking

Ranked #133 of 177 lakes in Polk County

Nearby Lakes in Polk County

Frequently asked questions about Carter Rd Y Pit Lake

Where is Carter Rd Y Pit Lake?

Carter Rd Y Pit Lake is a lake in Polk County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Carter Rd Y Pit Lake?

Carter Rd Y Pit Lake in Polk County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.5 ft visibility. Phosphorus: 424 µg/L.

Is Carter Rd Y Pit Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Carter Rd Y Pit Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.

What is the water temperature of Carter Rd Y Pit Lake?

Carter Rd Y Pit Lake typically sits around 87°F at the surface in August, from 62 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Where this data comes from

50 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples50 samples · 2020–2025
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

Regulated discharger data from EPA ECHO (ICIS-NPDES)