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Harper Noble County
Indiana Clean Lakes Program Survey Data
Lake Information
Lake Location: 4.5 miles northwest of OrmasLatitude/Longitude: 41.20.206 N, 85.35.819 W
Lake Type: Glacial Lake
Surface Area: 4 ha (10 acres)
Maximum Depth: 7 m (23 ft)
Lake Access: Public
Volunteer Survey Data
Harper 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) |
|---|---|---|---|---|
| 1990-06-16 | 1:00 | 11.75 | ||
| 1990-06-30 | 1:30 | 12.75 | ||
| 1990-08-04 | 3:55 | 8.00 | ||
| 1990-08-19 | 11:00 | 7.75 | ||
| 2012-05-20 | 1:00 PM | 1.5 | 77.26 | 31.5 |
| 2012-05-28 | 9:15 AM | 2 | ||
| 2012-06-03 | 12:45 PM | 4.6 | ||
| 2012-06-10 | 4:15 PM | 2.4 | ||
| 2012-06-16 | 4:15 PM | 2.6 | 27.28 | 40 |
| 2012-06-26 | 7:15 PM | 2.1 | ||
| 2012-07-10 | 3:15 PM | 2.2 | 34.44 | 47 |
| 2012-07-15 | 1:00 PM | 2.3 | ||
| 2012-07-23 | 7:45 PM | 2.2 | ||
| 2012-07-29 | 12:45 PM | 2.3 | ||
| 2012-08-04 | 8:45 AM | 2.1 | ||
| 2012-08-08 | 6:30 PM | 2.2 | 24.8 | 57 |
| 2012-08-19 | 5:30 PM | 2.7 | ||
| 2012-08-25 | 10:45 AM | 2.7 | ||
| 2012-09-02 | 4:00 PM | 2.9 | ||
| 2012-09-09 | 1:30 PM | 3 | ||
| 2012-09-12 | 5:45 PM | 2.9 |