Bay-North Bay Lake
Bay County, FloridaLimited DataMesotrophic
Bay-North Bay Lake is a mesotrophic lake in Bay County, Florida. Water quality is graded C based on 1 sampling years through 2025. Compared to the 37 other monitored lakes in Bay County, Bay-North Bay Lake ranks #24 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-08-30. Grade methodology: LakeGrade methodology.
Watch Bay-North Bay Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 7 ft. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #24 of 38 lakes in Bay County
Cleaner Lakes Within 30 Miles
Bay-North Bay Lake holds Grade C. 2 nearby lakes hold higher grades.
Nearby Lakes in Bay County
More Florida Lake Rankings
Other Grade C Lakes in Florida
Orange County · Clarity: 3.5 ft
Walton County · Clarity: 4.2 ft
Seminole County · Clarity: 4.5 ft
Seminole County · Clarity: 2.9 ft
Polk County · Clarity: 3.5 ft
Volusia County · Clarity: 4.5 ft
Mesotrophic Lakes in Florida
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Bay-North Bay Lake under Clean Water Act (NPDES) discharge permits, including 2 classified by the EPA as major dischargers. 2 facilities have a reported Clean Water Act violation in the past three years.
- Lynn Haven AwtfLynn Haven · 0.3 mi away · NPDES FL0169978MajorRecent violation
- Fpl - Lansing Smith Power PlantLynn Haven · 2.4 mi away · NPDES FL0002267MajorRecent 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.
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: 2025-08-30
Monitoring stations: 4
Where to stay near Bay-North Bay Lake
Compare lakeside cabins, hotels, and vacation rentals near Bay-North Bay Lake in Bay County, Florida — live availability and prices for your trip.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.