Erie County Lake Quality
Ohio, 1 lakes, average grade (Not rated)
Erie County has 1 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Sandusky Bay Ambient Station Off Johnson'S Island Lake (—) is the cleanest in the county.
Quick Answers for Erie County
Planning a trip? Check special fishing regulations for Sandusky Bay Ambient Station Off Johnson'S Island Lake — or check the official Ohio fishing regulations.
All Lakes in Erie County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Sandusky Bay Ambient Station Off Johnson'S Island Lake | - | 68.2 µg/L |
Other Counties in Ohio
See how Erie County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 36 states and 2 Canadian provinces.
Where to stay near Erie County
Top-rated places to stay near Erie County
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Source: EPA National Aquatic Resource Surveys, 2026.