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Flint Porter County
Indiana Clean Lakes Program Survey Data
Lake Information
Lake Location: 3 miles north of ValparaisoLatitude/Longitude: 41.30.863 N, 87.2.6716 W
Lake Type: Glacial Lake
Surface Area: 36 ha (89 acres)
Maximum Depth: 21 m (69 ft)
Lake Access: Public
Ramp Type: Gravel
Volunteer Survey Data
Flint Lake has been sampled by volunteers 27 years. The volunteer collected Secchi data is listed below:
| Sample Date | Sample Time | Secchi Depth (ft) | Chlorophyll-a (ug/L) | Total Phosphorus (ug/L) |
|---|---|---|---|---|
| 1989-08-21 | 1:00 pm | 12.25 | ||
| 1989-09-04 | 1:45 pm | 9.00 | ||
| 1989-09-16 | 2:30 pm | 9.00 | ||
| 1989-09-30 | 3:00 pm | 9.00 | ||
| 1989-10-15 | 10:30 am | 7.50 | ||
| 1990-06-15 | 11:30 | 8.00 | ||
| 1990-07-18 | 1:30 | 12.00 | ||
| 1990-08-07 | 1:00 | 12.25 | ||
| 1990-08-24 | 1:00 | 8.75 | ||
| 1990-09-03 | 1:00 | 9.25 | ||
| 1990-09-26 | 10:00 | 11.25 | ||
| 1990-10-13 | 3:00 | 6.75 | ||
| 1991-05-12 | 12:00 | 13.50 | ||
| 1991-05-27 | 1:00 | 12.25 | ||
| 1991-06-09 | 2:00 | 12.00 | ||
| 1991-06-30 | 3:00 | 12.25 | ||
| 1991-07-07 | 3:00 | 13.50 | ||
| 1991-08-01 | 3:00 | 13.00 | ||
| 1991-08-21 | 2:00 | 12.50 | ||
| 1992-05-31 | 10:45 | 13.75 | ||
| 1992-06-26 | 12:30 | 12.25 | 0.49 | 38.00 |
| 1992-07-19 | 11:00 | 14.50 | 32.00 | |
| 1992-08-17 | 11:30 | 13.50 | ||
| 1992-09-06 | 12:00 | 12.50 | ||
| 1993-06-27 | 11:00 | 12.50 | ||
| 1993-08-20 | 1:15 | 12.00 | 2.34 | 43.00 |
| 1994-05-21 | 2.08 | 28.50 | ||
| 1994-05-30 | 1:00 | 13.75 | ||
| 1994-07-29 | 3:00 | 9.50 | 5.05 | |
| 1994-09-11 | 1:45 | 9.00 | ||
| 1994-09-14 | ||||
| 1994-10-01 | 12:00 | 9.25 | 1.47 | 56.50 |
| 1995-06-13 | 11:30 | 10.00 | 2.22 | 40.00 |
| 1995-06-24 | 3:30 | 8.00 | 1.67 | 28.00 |
| 1995-07-08 | 1:45 | 9.75 | 0.17 | 19.00 |
| 1995-07-14 | 2:00 | 10.25 | 1.14 | 22.25 |
| 1995-08-06 | 11:45 | 7.00 | 4.24 | 21.00 |
| 1995-09-03 | 12:30 | 4.50 | 15.36 | 15.00 |
| 1996-08-09 | 14.67 | 41.00 | ||
| 1996-08-26 | 10:45 | 3.20 | ||
| 1996-09-03 | 11:30 | 3.70 | ||
| 1996-09-18 | 3:30 | 4.00 | ||
| 1996-10-18 | 7.39 | 31.00 | ||
| 1996-10-28 | 1:05 | 4.80 | 4.37 | 35.00 |
| 1997-05-04 | 0.60 | 26.00 | ||
| 1997-05-15 | 11:00 | 9.30 | ||
| 1997-05-21 | 4:00 | 13.33 | ||
| 1997-06-16 | 2:00 | 6.40 | ||
| 1997-06-30 | 3:50 | 5.20 | 3.52 | |
| 1997-07-10 | 11:30 | 5.00 | ||
| 1997-07-24 | 2:00 | 4.70 | 9.45 | 26.00 |
| 1997-08-28 | 1:15 | 4.50 | 5.05 | 19.00 |
| 1997-09-15 | 10:30 | 4.90 | ||
| 1997-09-30 | 1:00 | 5.20 | ||
| 1997-10-16 | 3:30 | 5.60 | ||
| 1998-05-14 | 11:50 | 16.00 | 0.87 | 26.00 |
| 1998-05-30 | 3:00 | 13.25 | ||
| 1998-06-17 | 10:45 | 9.00 | 4.46 | 19.00 |
| 1998-07-28 | 3:15 | 4.00 | 16.53 | 26.00 |
| 1998-08-06 | 11:30 | 4.70 | ||
| 1998-08-18 | 1:20 | 5.30 | ||
| 1998-08-31 | 10:30 | 4.90 | 6.77 | 22.00 |
| 1998-09-14 | 12:37 | 5.00 | ||
| 1998-09-28 | 2:00 | 5.10 | ||
| 1998-10-05 | 11:00 | 5.00 | ||
| 1999-05-03 | 3:30 | 7.50 | ||
| 1999-05-12 | 10:20 | 7.50 | 2.25 | 56.00 |
| 1999-05-24 | 9:45 | 7.00 | ||
| 1999-06-02 | 1:00 | 6.30 | ||
| 1999-06-11 | 11:30 | 6.00 | ||
| 1999-06-25 | 1:20 | 5.40 | 27.00 | |
| 2000-05-01 | 2:50 pm | 8.70 | ||
| 2000-05-15 | 9:30 am | 8.70 | ||
| 2000-05-24 | 11:30 am | 8.60 | 2.67 | 68.00 |
| 2000-06-06 | 3:00 pm | 8.60 | ||
| 2000-06-15 | 1:45 pm | 8.60 | ||
| 2000-06-27 | 12:45 pm | 3.70 | 8.68 | 76.00 |
| 2000-07-11 | 2:30 pm | 3.50 | ||
| 2000-07-25 | 11:00 am | 3.50 | 1.68 | 42.00 |
| 2000-08-15 | 1:15 pm | 3.40 | ||
| 2000-08-31 | 3:00 pm | 3.50 | 5.64 | 49.00 |
| 2002-05-16 | 9:30 a.m. | 6.30 | ||
| 2002-05-30 | 11:15 a.m. | 6.50 | ||
| 2002-06-13 | 2:00 p.m. | 6.50 | ||
| 2002-06-28 | 3:00 p.m. | 7.80 | ||
| 2002-07-11 | 11:45 a.m. | 7.50 | ||
| 2002-07-31 | 8:30 a.m. | 7.50 | 5.26 | 16.00 |
| 2002-08-15 | 3:00 p.m. | 7.30 | ||
| 2002-08-30 | 2:30 p.m. | 7.50 | 2.70 | 23.00 |
| 2002-09-12 | 10:00 a.m. | 7.50 | ||
| 2002-09-26 | 12:30 p.m. | 7.80 | ||
| 2002-10-11 | 9:00 a.m. | 7.90 | ||
| 2003-06-30 | 0.92 | 32.00 | ||
| 2003-07-31 | 8.23 | 37.00 | ||
| 2003-09-18 | 20.00 | |||
| 2004-06-08 | 2:25 p.m. | 5.40 | 4.36 | 30.00 |
| 2004-07-12 | 10:00 am | 8.80 | 1.22 | 41.00 |
| 2004-08-19 | 1:00 pm | 9.80 | 2.37 | 34.00 |
| 2005-05-25 | 1:10 p.m. | 16.00 | 0.80 | 17.00 |
| 2005-06-28 | 2:06 pm | 9.60 | 2.00 | 14.00 |
| 2005-07-29 | 1:10 p.m. | 7.60 | 3.67 | 45.00 |
| 2005-08-29 | 2:27 P.M. | 8.80 | 3.92 | 30.00 |
| 2006-05-23 | 1:45p.m. | 14.70 | 1.94 | 34.00 |
| 2006-06-29 | 1:35p.m. | 11.75 | 1.17 | 48.50 |
| 2006-07-27 | 1:10 pm | 9.00 | 2.16 | 45.00 |
| 2006-08-31 | 0.33 | 28.00 | ||
| 2007-05-29 | 2:00 pm | 13.35 | 1.62 | 23.00 |
| 2007-06-26 | 2:00 pm | 7.50 | 3.47 | 38.00 |
| 2007-08-31 | 01:30 pm | 6.00 | 17.05 | 78.00 |
| 2008-05-30 | 10:30 am | 9.50 | 6.35 | 39.00 |
| 2008-06-30 | 10:48 am | 6.80 | 10.00 | 24.00 |
| 2008-07-31 | 01:15 pm | 5.90 | 1.33 | 47.00 |
| 2008-08-29 | 10:40 am | 7.20 | 21.15 | 55.00 |
| 2009-05-29 | 12:45:00 PM | 11.50 | 3.29 | 15.00 |
| 2009-06-30 | 02:10 pm | 13.80 | 2.52 | 26.00 |
| 2009-07-30 | 1:56:00 PM | 8.50 | 3.23 | 13.00 |
| 2009-08-31 | 2:00:00 PM | 5.30 | 11.35 | 19.00 |
| 2010-05-28 | 2:50:00 PM | 10.50 | 1.60 | 29.00 |
| 2010-06-30 | 10:30:00 AM | 13.20 | 5.21 | 26.00 |
| 2010-07-30 | 2:00:00 PM | 6.50 | 4.01 | 12.00 |
| 2010-08-31 | 1:25:00 PM | 7.50 | 2.12 | 16.00 |
| 2011-06-29 | 10:30 AM | 4.5 | 15.22 | 33.0 |
| 2011-07-29 | 10:15 AM | 4.0 | 19.56 | 32.0 |
| 2011-08-31 | 10:15 AM | 7.5 | 5.34 | 11.0 |
| 2012-05-30 | 1:00 PM | 7 | 9.04 | 17 |
| 2012-06-27 | 10:30 AM | 3.9 | 18.54 | 32 |
| 2012-07-30 | 12:30 PM | 6.5 | 6.07 | 33 |
| 2012-08-31 | 12:30 PM | 7.5 | 3.87 | 16 |
| 2013-06-10 | 1:30 PM | 10.45 | ||
| 2013-07-29 | 10:00 AM | 5.65 | ||
| 2013-08-28 | 10:00 AM | 5.5 | 14.47 | 7 |
| 2013-09-25 | 12.49 | 13 | ||
| 2015-05-29 | 10:15 AM | 9.4 | 1.91 | 23.7 |
| 2015-07-13 | 10:00 AM | 5 | 11.1 | 35.6 |
| 2015-08-31 | 10:00 AM | 5.4 | 18.6 | 49.5 |
| 2015-09-14 | 11:15 AM | 5.9 | 15.4 | 46.2 |
| 2016-05-31 | 10:15 AM | 7.8 | ||
| 2016-06-30 | 10:45 AM | 11.1 | ||
| 2016-06-30 | 10:45 AM | 11.1 | ||
| 2017-05-31 | 9:00 AM | 6.3 | 5.97 | 31 |
| 2017-06-30 | 6.96 | 26 | ||
| 2017-07-31 | 2:00 PM | 5.3 | 10.00 | 30 |
| 2017-08-29 | 10:00 AM | 5.6 | 8.17 | 26 |