Crecent Lake
Crecent Lake in Pinellas County, Florida has a water quality grade of D (Nutrient-rich). Phosphorus: 80 µg/L.
- Typical in August
- 88°F
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Crecent Lake →
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Crecent Lake is a productive, nutrient-rich eutrophic lake in Pinellas County, Florida. Water quality is graded D based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 33 other monitored lakes in Pinellas County, Crecent Lake ranks #29 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-25. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria D
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.
Based on E. coli testing, Crecent Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 10.2% of 49 samples across 8 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus level: 80 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 80 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Crecent Lake
Compare lakeside cabins, hotels, and vacation rentals near Crecent Lake in Pinellas 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 Crecent Lake are listed below.
Top-rated places to stay near Crecent 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
Crecent Lake typically sits around 88°F at the surface in August. Summer average is about 88°F. Usually warmest in Jul (about 89°F) and coldest in Feb (about 69°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 89 field readings (2010–2025) via the EPA Water Quality Portal. See the full Crecent Lake water temperature breakdown →
Recreation & Access
- Crisp Park Boat RampPublic
- Coffee Pot Bayou Public Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Crecent Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.575 m/yr | 4 |
| Phosphorus | ↓ Declining | +11 µg/L/yr | 5 |
EPA Impairment Status
Crecent Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5A).
Causes of impairment
Source: EPA ATTAINS assessment unit FL1700A · Official waterbody report · Matched by proximity (0.07 km)
County Ranking
Ranked #29 of 34 lakes in Pinellas County
Nearby Lakes With Higher Grades
Crecent Lake holds Grade D. 2 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Pinellas County
Frequently asked questions about Crecent Lake
Where is Crecent Lake?
- Crecent Lake is a lake in Pinellas County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Crecent Lake?
- Crecent Lake in Pinellas County, Florida has a water quality grade of D (Nutrient-rich). Phosphorus: 80 µg/L.
Is Crecent Lake safe to swim in?
- Based on E. coli testing, Crecent Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 10.2% of 49 samples across 8 seasons. That works out to a bacteria swim-safety grade of D — a historical summary of past testing, not a current reading. Crecent Lake has a water quality grade of D (Nutrient-rich). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.
What is the water temperature of Crecent Lake?
- Crecent Lake typically sits around 88°F at the surface in August, from 89 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Are there boat ramps on Crecent Lake?
- Crecent Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Crisp Park Boat Ramp, Coffee Pot Bayou Public Boat Ramp. Public access is listed as yes.
Explore Crecent Lake across LakeQuality
More Florida Lake Rankings
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Eutrophic Lakes in Florida
Where this data comes from
69 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples69 samples · 2020–2025
Monitoring station identifiers (2)
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory