Garvin County Lake Quality
Oklahoma, 3 lakes, average grade (Not rated)
Only 3 lakes in Garvin County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county.
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. Rc Longmire Lake (—) is the cleanest in the county.
Quick Answers for Garvin County
Planning a trip? Check special fishing regulations for Rc Longmire Lake — or check the official Oklahoma fishing regulations.
All Lakes in Garvin County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Rc Longmire Lake | 1.8 ft | - | |
| 2 | Pauls Valley City Lake | 2.6 ft | - | |
| 3 | Elmore City Lake | 2.5 ft | - |
Other Counties in Oklahoma
See how Garvin 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 Garvin County
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Source: EPA National Aquatic Resource Surveys, 2026.