Bay-North Bay Lake
Bay County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Bay-North Bay Lake. Here is what has been measured.
- Public access
- Limited data
Bay-North Bay Lake in Bay County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 7 ft visibility.
Bay-North Bay Lake is a lake in Bay County, Florida. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-30. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Bay-North Bay Lake is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Bay-North Bay Lake
These are the measurements Florida DEP publishes for Bay-North Bay Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Fishing Bay-North Bay Lake
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
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.
Nearby Lakes in Bay County
Frequently asked questions about Bay-North Bay Lake
Where is Bay-North Bay Lake?
- Bay-North Bay Lake is a lake in Bay County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Bay-North Bay Lake?
- Bay-North Bay Lake in Bay County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 7 ft visibility.
Is Bay-North Bay Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Bay-North Bay Lake?
- Public access to Bay-North Bay Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
520 measurements from 4 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 samples520 samples · 2020–2025
Monitoring station identifiers (4)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)