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French Vigo County
Indiana Clean Lakes Program Survey Data
Lake Information
Lake Location: 1 mile north of BlackhawkSurface Area: 29 ha (72 acres)
Maximum Depth: 20 m (66 ft)
Lake Access: Public
Volunteer Survey Data
French Lake has been sampled by volunteers 2 years. The volunteer collected Secchi data is listed below:
| Sample Date | Sample Time | Secchi Depth (ft) | Chlorophyll-a (ug/L) | Total Phosphorus (ug/L) |
|---|---|---|---|---|
| 2015-06-21 | 2:15 PM | 2.7 | ||
| 2015-07-06 | 3:00 PM | 3.7 | ||
| 2015-07-22 | 3:00 PM | 3.8 | ||
| 2015-08-04 | 3:00 PM | 3.3 | ||
| 2015-08-11 | 11:45 AM | 2.9 | ||
| 2015-08-21 | 10:45 AM | 29 | ||
| 2015-09-03 | 11:00 AM | 3.6 | ||
| 2015-09-06 | 2:00 PM | 3.9 | ||
| 2015-09-14 | 1:15 PM | 2.9 | ||
| 2015-09-28 | 10:30 AM | 3.3 | ||
| 2015-10-12 | 12:45 PM | 3.5 | ||
| 2016-04-09 | 2:00 PM | 2.6 | ||
| 2016-04-11 | 3:00 PM | 1.0 | ||
| 2016-04-25 | 2:00 PM | 1.4 | ||
| 2016-05-11 | 3:00 PM | 2.0 | 19.90 | 71 |
| 2016-05-25 | 1:00 PM | 2.0 | ||
| 2016-06-13 | 1:30 PM | 2.3 | 19.90 | 51 |
| 2016-06-27 | 2:00 PM | 3.4 | ||
| 2016-07-12 | 12:30 PM | 4.2 | 8.75 | 82 |
| 2016-07-24 | 2:00 PM | 4.3 | ||
| 2016-08-03 | 12:30 PM | 3.0 | ||
| 2016-08-22 | 1:30 PM | 2.6 | 22.30 | 142 |
| 2016-09-05 | 10:15 AM | 3.2 |