| Emerson Bay Beach West Okoboji Lake Sampled: Sep 2, 2026 | Ok for Swimming |
| Gull Point Beach West Okoboji Lake Sampled: Sep 2, 2026 | Ok for Swimming |
| Pikes Point Beach West Okoboji Lake Sampled: Sep 2, 2026 | Ok for Swimming |
| Triboji Beach West Okoboji Lake Sampled: Sep 2, 2026 | Ok for Swimming |
| Marble Beach Big Spirit Lake Sampled: Sep 2, 2026 | Swimming Not Recommended |
| Crandalls Beach Big Spirit Lake Sampled: Sep 2, 2026 | Swimming Not Recommended |
| Orleans City Beach Big Spirit Lake Sampled: Sep 2, 2026 | Ok for Swimming |