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Big Chapman Kosciusko County
Indiana Clean Lakes Program Survey Data
Lake Information
Lake Location: 3 miles northeast of WarsawLatitude/Longitude: 41.17.065 N, 85.47.688 W
Lake Type: Glacial Lake
Surface Area: 167 ha (413 acres)
Maximum Depth: 11 m (36 ft)
Lake Access: Public
Ramp Type: Concrete, DNR
Volunteer Survey Data
Big Chapman Lake has been sampled by volunteers 28 years. The volunteer collected Secchi data is listed below:
| Sample Date | Sample Time | Secchi Depth (ft) | Chlorophyll-a (ug/L) | Total Phosphorus (ug/L) |
|---|---|---|---|---|
| 1989-04-24 | 3:15 pm | 9.50 | ||
| 1989-05-05 | 11:15 am | 11.25 | ||
| 1989-05-19 | 3:00 pm | 19.75 | ||
| 1989-06-02 | 3:30 pm | 17.75 | ||
| 1989-06-16 | 1:30 pm | 12.25 | ||
| 1989-06-30 | 3:30 pm | 13.50 | ||
| 1989-07-14 | 1:30 pm | 9.50 | ||
| 1989-07-28 | 10:45 am | 10.00 | ||
| 1989-08-11 | 1:30 pm | 8.25 | ||
| 1989-08-25 | 11:00 am | 7.00 | ||
| 1989-09-08 | 12:30 pm | 6.50 | ||
| 1989-09-22 | 1:15 pm | 6.25 | ||
| 1990-04-27 | 12:30 pm | 19.50 | ||
| 1990-05-11 | 2:30 pm | 12.50 | ||
| 1990-05-25 | 11:00 am | 13.50 | ||
| 1990-06-08 | 10:30 am | 17.00 | ||
| 1990-06-22 | 1:00 | 10.75 | ||
| 1990-07-06 | 11:15 | 6.25 | ||
| 1990-07-20 | 3:00 | 7.50 | ||
| 1990-08-03 | 11:30 | 7.25 | ||
| 1990-08-17 | 10:00 | 6.50 | ||
| 1990-08-31 | 11:30 | 8.00 | ||
| 1990-09-14 | 11:00 | 8.00 | ||
| 1990-09-28 | 12:00 | 7.50 | ||
| 1990-10-12 | 11:30 | 8.75 | ||
| 1991-06-01 | 10:30 | 12.50 | ||
| 1991-06-15 | 3:30 | 7.00 | ||
| 1991-06-27 | 2:20 | 9.00 | ||
| 1991-07-12 | 1:00 | 7.00 | ||
| 1991-08-03 | 10:30 | 9.00 | ||
| 1991-08-16 | 1:30 | 9.00 | ||
| 1991-08-30 | 2:15 | 8.00 | ||
| 1991-09-20 | 1:50 | 6.50 | ||
| 1991-10-03 | 2:00 | 6.00 | ||
| 1991-10-13 | 2:00 | 7.50 | ||
| 1992-05-22 | 1:30 | 16.50 | ||
| 1992-06-05 | 2:45 | 18.00 | ||
| 1992-06-20 | 11:30 | 12.50 | 1.28 | 37.00 |
| 1992-07-11 | 12:30 | 8.00 | 1.80 | 58.00 |
| 1992-07-19 | 10:45 | 8.50 | ||
| 1992-08-02 | 3:45 | 8.50 | ||
| 1992-08-23 | 2:00 | 7.00 | 0.07 | 30.00 |
| 1992-09-14 | 12:00 | 7.50 | ||
| 1992-09-30 | 0.97 | 33.00 | ||
| 1992-10-02 | 2:30 | 7.00 | ||
| 1993-05-27 | 3:30 | 13.00 | ||
| 1993-06-20 | 11:30 | 13.00 | 0.02 | 10.00 |
| 1993-07-11 | 1:30 | 9.00 | 1.25 | 10.00 |
| 1993-07-29 | 2:00 | 6.50 | ||
| 1993-08-13 | 3:40 | 8.00 | ||
| 1993-08-17 | 2:50 | 7.00 | 2.77 | 10.00 |
| 1993-09-16 | 3:00 | 8.00 | 5.49 | 17.00 |
| 1993-10-02 | 12:10 | 7.00 | 5.49 | 23.00 |
| 1994-05-20 | 1:00 | 13.00 | 1.39 | 11.00 |
| 1994-06-06 | 10:30 | 11.00 | 2.29 | 17.00 |
| 1994-06-24 | 1:45 | 8.00 | ||
| 1994-07-04 | 11:30 | 9.00 | ||
| 1994-07-05 | 2:30 | 8.00 | ||
| 1994-07-13 | 2:30 | 8.00 | 2.56 | 27.50 |
| 1994-08-15 | 3.47 | 20.00 | ||
| 1994-08-19 | 2:00 | 9.00 | ||
| 1994-09-15 | 2:00 | 10.00 | 2.82 | 40.50 |
| 1994-09-29 | 1:30 | 8.50 | ||
| 1994-10-08 | 11:00 | 11.00 | ||
| 1994-10-23 | 9 | 12.30 | ||
| 1995-05-12 | 2:30 | 10.00 | ||
| 1995-05-21 | 2:30 | 12.00 | 0.02 | 20.00 |
| 1995-06-10 | 4.58 | 18.00 | ||
| 1995-07-04 | 11:30 | 10.00 | ||
| 1995-07-17 | 2:40 | 8.00 | ||
| 1995-07-20 | 10:30 | 8.00 | 3.41 | 14.00 |
| 1995-08-13 | 11:00 | 10.50 | 0.21 | 10.00 |
| 1995-09-09 | 3.08 | 10.00 | ||
| 1996-05-16 | 12:00 | 6.00 | ||
| 1996-05-30 | 1:00 | 12.00 | ||
| 1996-06-27 | 2:50 | 12.50 | ||
| 1996-07-03 | 2:00 | 8.00 | ||
| 1996-07-14 | 11:30 | 7.00 | 1.36 | 23.00 |
| 1996-07-29 | 2:00 | 12.00 | 1.98 | 27.00 |
| 1996-08-22 | 2:30 | 7.50 | 2.80 | 24.00 |
| 1996-09-17 | 2:50 | 7.00 | 4.03 | 24.00 |
| 1996-09-30 | 1:50 | 7.50 | ||
| 1997-05-17 | 1:30 | 9.60 | ||
| 1997-05-21 | 2:30 | 9.20 | 27.00 | |
| 1997-06-27 | 2:30 | 8.16 | 2.73 | 18.00 |
| 1997-07-22 | 2:00 | 7.67 | 4.47 | 17.00 |
| 1997-08-04 | 2:00 | 7.67 | ||
| 1997-08-17 | 2:00 | 8.00 | 5.91 | 21.00 |
| 1997-08-31 | 2:00 | 9.20 | ||
| 1997-09-13 | 2:30 | 9.30 | ||
| 1997-10-05 | 1:30 | 12.20 | ||
| 1998-05-12 | 12:30 | 16.20 | ||
| 1998-05-23 | 3:00 | 14.00 | 0.99 | 24.00 |
| 1998-06-07 | 1:30 | 10.20 | ||
| 1998-06-18 | 3:00 | 10.10 | 2.17 | 17.00 |
| 1998-07-06 | 1:00 | 7.50 | ||
| 1998-07-31 | 2:45 | 9.20 | 0.16 | 12.00 |
| 1998-08-20 | 2:30 | 9.60 | 1.83 | 16.00 |
| 1998-09-12 | 2:30 | 9.20 | ||
| 1998-10-08 | 11:00 | 9.90 | ||
| 1999-05-09 | 2:15 | 12.20 | ||
| 1999-05-26 | 11:45 | 10.20 | 0.37 | 35.00 |
| 1999-06-09 | 12:20 | 15.80 | ||
| 1999-06-23 | 11:50 | 15.40 | 8.17 | 32.00 |
| 1999-07-07 | 2:15 | 8.40 | ||
| 1999-07-22 | 11:30 | 10.30 | 1.56 | 54.00 |
| 1999-08-13 | 11:30 | 6.90 | ||
| 1999-08-25 | 10:00 | 9.20 | 2.14 | 43.00 |
| 1999-09-13 | 11:00 | 6.60 | ||
| 1999-09-27 | 2:30 | 7.20 | ||
| 1999-10-10 | 2:20 | 11.90 | ||
| 2000-05-08 | 1:00 pm | 14.10 | ||
| 2000-05-26 | 11:00 am | 17.30 | 0.20 | 47.00 |
| 2000-06-19 | 10:30 am | 10.10 | 2.20 | 61.00 |
| 2000-07-03 | 2:00 pm | 9.00 | ||
| 2000-07-24 | 1:00 pm | 6.10 | 1.97 | 35.00 |
| 2000-08-14 | 11:00 am | 7.80 | 1.58 | 49.00 |
| 2000-09-07 | 2:30 pm | 7.60 | ||
| 2000-09-20 | 2:00 pm | 7.70 | ||
| 2000-10-17 | 10:15 am | 11.10 | ||
| 2001-05-12 | 12:00 pm | 17.30 | 0.23 | 10.00 |
| 2001-06-04 | 2:00 PM | 11.50 | ||
| 2001-06-26 | 10:30 AM | 5.50 | 2.82 | 32.00 |
| 2001-07-06 | 12:30 PM | 5.50 | ||
| 2001-07-24 | 1:30 pm | 8.00 | 0.40 | 21.00 |
| 2001-08-13 | 12:00PM | 7.10 | 0.32 | 21.00 |
| 2001-08-30 | 1:30 PM | 7.20 | ||
| 2001-09-15 | 11:15 AM | 8.40 | ||
| 2002-05-24 | 10:45 am | 9.00 | 0.20 | 79.00 |
| 2002-06-18 | 2:00 pm | 12.80 | 0.83 | 33.00 |
| 2002-07-08 | 11:30 AM | 7.30 | ||
| 2002-07-19 | 10:30 AM | 7.70 | 2.18 | 19.00 |
| 2002-07-24 | 2:00 PM | 7.70 | ||
| 2002-08-26 | 10:15 a.m. | 12.00 | 1.44 | 16.00 |
| 2002-09-13 | 11:20 AM | 11.20 | ||
| 2002-10-04 | 2:30 pm | 10.50 | ||
| 2003-05-25 | 2:45 PM | 10.00 | 0.83 | 17.00 |
| 2003-06-30 | 6:00 P.M. | 9.20 | 1.60 | 19.00 |
| 2003-07-28 | 5:00 p.m. | 8.00 | ||
| 2003-07-31 | 3.89 | 13.00 | ||
| 2003-08-30 | 8.00 | |||
| 2003-08-31 | 7:00 AM | 9.00 | ||
| 2004-05-29 | pm | 9.90 | ||
| 2004-05-29 | pm | 11.00 | 2.18 | 21.00 |
| 2004-06-30 | pm | 9.40 | 1.67 | 24.00 |
| 2004-07-15 | 1.62 | 44.00 | ||
| 2004-07-29 | pm | 8.20 | ||
| 2004-07-29 | pm | 8.90 | ||
| 2004-08-30 | 37.00 | |||
| 2006-06-11 | 4:00pm | 3.50 | ||
| 2006-06-24 | 11:00 AM | 4.80 | 1.07 | 25.00 |
| 2006-07-07 | 1:30 PM | 5.70 | ||
| 2006-07-17 | 11am | 8.00 | 1.00 | 15.00 |
| 2006-08-01 | 11am | 7.00 | ||
| 2006-08-19 | 11:30 AM | 6.20 | 0.71 | 17.00 |
| 2006-08-28 | 3:30 PM | 6.30 | ||
| 2007-05-21 | 1:30 pm | 12.20 | 0.19 | 16.00 |
| 2007-06-22 | 2:15 pm | 5.60 | 4.20 | 23.00 |
| 2007-06-30 | 11:40 am | 8.30 | ||
| 2007-07-12 | 3:00 pm | 9.60 | ||
| 2007-07-30 | 9:50 am | 10.40 | 2.13 | 36.00 |
| 2007-08-04 | 10:30 am | 8.60 | ||
| 2007-08-17 | 11:00 am | 7.60 | ||
| 2007-08-27 | 12:00 pm | 1.38 | 26.00 | |
| 2008-05-30 | 12:45 pm | 16.25 | 0.06 | 10.00 |
| 2008-06-10 | 1:00 pm | 12.40 | 3.04 | 10.00 |
| 2008-06-30 | 1:30 pm | 5.30 | ||
| 2008-07-04 | 12:00 pm | 5.60 | ||
| 2008-07-09 | 1:00 pm | 5.10 | ||
| 2008-07-17 | 1:30 pm | 6.20 | ||
| 2008-07-28 | 3.36 | 22.00 | ||
| 2008-08-06 | 12:30 pm | 8.70 | ||
| 2008-08-21 | 12:00 pm | 9.30 | 5.17 | 29.00 |
| 2008-08-31 | 11:30 am | 8.60 | ||
| 2009-05-28 | 12:30:00 PM | 11.90 | 2.41 | 22.00 |
| 2009-06-24 | 1:00:00 PM | 8.50 | 2.52 | 15.00 |
| 2009-07-05 | 11:00:00 AM | 5.20 | ||
| 2009-07-21 | 1:00:00 PM | 7.60 | 2.23 | 22.00 |
| 2009-07-24 | 1:45:00 PM | 8.30 | ||
| 2009-08-13 | 1:15:00 PM | 10.90 | 3.09 | 18.00 |
| 2009-09-04 | 12:45:00 PM | 7.90 | ||
| 2009-09-23 | 1:00:00 PM | 8.50 | ||
| 2010-05-26 | 11:15:00 AM | 11.40 | 3.74 | 16.00 |
| 2010-06-04 | 11:30:00 AM | 6.50 | ||
| 2010-06-26 | 12:10:00 PM | 8.80 | 4.36 | 362.00 |
| 2010-07-07 | 12:15:00 PM | 7.90 | ||
| 2010-07-16 | 12:45:00 PM | 8.00 | ||
| 2010-07-24 | 12:30:00 PM | 8.50 | 2.78 | 21.00 |
| 2010-08-02 | 12:55:00 PM | 6.80 | ||
| 2010-08-19 | 11:00:00 AM | 7.60 | ||
| 2010-08-23 | 11:30:00 AM | 7.10 | 1.92 | 17.50 |
| 2010-08-27 | 11:00:00 AM | 7.10 | ||
| 2010-09-13 | 11:20:00 AM | 7.80 | ||
| 2010-09-30 | 11:10:00 AM | 8.20 | ||
| 2011-05-26 | 12:15 PM | 10.8 | 2.78 | 36.0 |
| 2011-06-13 | 10:45 AM | 9.8 | 4.05 | 24.5 |
| 2011-06-26 | 1:45 PM | 5.1 | ||
| 2011-07-10 | 2:00 PM | 5.8 | ||
| 2011-07-13 | 12:45 PM | 6.6 | ||
| 2011-07-20 | 12:15 PM | 7.1 | ||
| 2011-07-27 | 1:15 PM | 7.4 | 3.37 | 10.0 |
| 2011-08-07 | 12:15 PM | 7.8 | ||
| 2011-08-22 | 11:30 AM | 8.4 | 3.70 | 10.0 |
| 2011-08-26 | 12:00 PM | 9.0 | ||
| 2011-08-26 | 12:30 PM | 9.0 | ||
| 2011-09-12 | 1:00 PM | 8.9 | ||
| 2012-05-19 | 10:15 AM | 12.4 | 1.67 | 34 |
| 2012-06-13 | 1:15 PM | 5.8 | ||
| 2012-06-26 | 12:45 PM | 8.8 | 3.12 | 17 |
| 2012-07-16 | 10:45 AM | 7.9 | ||
| 2012-07-29 | 10:15 AM | 9.1 | 4.13 | 26 |
| 2012-08-23 | 10:30 AM | 9.6 | 3.82 | 30 |
| 2013-05-29 | 10:15 AM | 10.9 | 2.96 | 40 |
| 2013-06-15 | 10:45 AM | 7.1 | 3.9 | 31 |
| 2013-06-25 | 12:15 PM | 9.8 | ||
| 2013-07-12 | 12:15 PM | 9.9 | ||
| 2013-07-20 | 11:30 AM | 7.8 | ||
| 2013-07-24 | 12:00 PM | 6.5 | 6.4 | 7 |
| 2013-08-10 | 12:15 PM | 6.6 | ||
| 2013-08-27 | 9:15 AM | 6.5 | 4.98 | |
| 2013-09-09 | 11:15 AM | 7.1 | ||
| 2014-05-26 | 12:15 PM | 10.8 | 1.15 | 28.6 |
| 2014-06-15 | 12:45 PM | 7.9 | ||
| 2014-06-25 | 12:45 PM | 7.4 | 2.05 | 21.45 |
| 2014-07-11 | 12:30 PM | 7.6 | ||
| 2014-07-21 | 12:15 PM | 7 | 2.1 | 12.74 |
| 2014-08-04 | 1:30 PM | 7.7 | ||
| 2014-08-20 | 12:15 PM | 11.8 | 2.46 | 12.74 |
| 2014-08-27 | 12:30 PM | 10.4 | ||
| 2014-09-25 | 1:45 PM | 9.8 | ||
| 2015-05-23 | 10:30 AM | 20.2 | 1.11 | 20.1 |
| 2015-05-29 | 11:45 AM | 16.2 | ||
| 2015-06-24 | 1:45 PM | 7.2 | 5.94 | 29.3 |
| 2015-07-02 | 12:30 PM | 7.6 | ||
| 2015-07-24 | 10:30 AM | 8.2 | 40.8 | 49.5 |
| 2015-08-12 | 12:00 PM | 6.1 | 22.8 | 62.7 |
| 2016-05-20 | 12:45 PM | 14.6 | ||
| 2016-05-20 | 12:45 PM | 14.6 | 1.40 | 11 |
| 2016-06-24 | 12:15 PM | 4.6 | ||
| 2016-06-24 | 12:15 PM | 4.6 | 7.48 | 16 |
| 2016-07-15 | 1:00 PM | 9.4 | 3.66 | 8 |
| 2016-07-15 | 1:00 PM | 9.4 | ||
| 2016-08-25 | 12:30 PM | 7.5 | ||
| 2016-08-25 | 12:30 PM | 7.5 | 5.97 | 16 |
| 2017-05-22 | 1:15 PM | 7.7 | 2.55 | 24 |
| 2017-06-24 | 12:30 PM | 6.6 | 5.84 | 19 |
| 2017-07-31 | 11:00 AM | 5.0 | 5.57 | 13 |
| 2017-08-24 | 11:30 AM | 5.4 | 6.37 |