Bay-St. Andrew Bay Lake
Bay-St. Andrew Bay Lake in Bay County, Florida is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 14 ft visibility.
- Clarity
- 14 ft
- Trend
- ↑ Improving
- Public access
- Yes
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Why Bay-St. Andrew Bay Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Bay-St. Andrew Bay Lake, no EPA ecoregion for this lake, so the National Lakes Assessment condition thresholds cannot be applied. Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by FDEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Bay-St. Andrew 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 with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-22. Grade methodology: LakeQuality methodology.
Watch Bay-St. Andrew Bay Lake water quality
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Swimming Safety
Not ratedBacteria advisory
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Bay-St. Andrew Bay Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 14 ft. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 14 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Bay-St. Andrew Bay Lake
Compare lakeside cabins, hotels, and vacation rentals near Bay-St. Andrew Bay Lake in Bay 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.
Top-rated places to stay near Bay-St. Andrew Bay Lake
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Recreation & Access
- Panama City Marina Public Boat RampPublic
- Saint Andrews State ParkPublic
- St. Andrews City Marina Public Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Bay-St. Andrew Bay Lake
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.921 m/yr | 6 |
EPA Impairment Status
Bay-St. Andrew Bay Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL1061CB · Official waterbody report · Matched by proximity (2.89 km)
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Bay-St. Andrew Bay Lake under Clean Water Act (NPDES) discharge permits.
- Chevron Products Company Inc - Panama City Terminal #1289731Panama City · 1.8 mi away · NPDES FL0175480
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.
Graded lakes near Bay-St. Andrew Bay Lake
Bay-St. Andrew Bay Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Bay County
Frequently asked questions about Bay-St. Andrew Bay Lake
Where is Bay-St. Andrew Bay Lake?
- Bay-St. Andrew Bay Lake is a lake in Bay County, Florida. LakeQuality has not rated this lake (UNRATED) — no EPA ecoregion for this lake, so the National Lakes Assessment condition thresholds cannot be applied.
What is the water quality grade for Bay-St. Andrew Bay Lake?
- Bay-St. Andrew Bay Lake in Bay County, Florida is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 14 ft visibility.
Is Bay-St. Andrew Bay Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Bay-St. Andrew Bay Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Bay-St. Andrew Bay Lake?
- Bay-St. Andrew Bay Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Panama City Marina Public Boat Ramp, Saint Andrews State Park, St. Andrews City Marina Public Boat Ramp. Public access is listed as yes.
Explore Bay-St. Andrew Bay Lake across LakeQuality
More Florida Lake Rankings
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Where this data comes from
639 measurements from 5 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 samples639 samples · 2020–2025
Monitoring station identifiers (5)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory