| Year | Type | Average for the three lakes | Dubăsari Centrala HE | Costești Centrala HE | Ghidighici Chișinău ”Pruncul” |
|---|---|---|---|---|---|
| 1992 | Nitrate | 2.58 | 2.46 | 2.31 | 2.96 |
| 1993 | Nitrate | 2.58 | 2.46 | 2.31 | 2.96 |
| 1994 | Nitrate | 1.29 | 1.77 | 1.39 | 0.7 |
| 1995 | Nitrate | 1.29 | 1.77 | 1.39 | 0.7 |
| 1996 | Nitrate | 2.16 | 3 | 1.91 | 1.56 |
| 1997 | Nitrate | 2.31 | 3.08 | 2.06 | 1.79 |
| 1998 | Nitrate | 4.5 | 4.59 | 3.32 | 5.6 |
| 1999 | Nitrate | 3.01 | 3.81 | 3.72 | 1.49 |
| 2000 | Nitrate | 1.67 | 2.56 | 1.13 | 1.31 |
| 2001 | Nitrate | 2.06 | 1.98 | 2.58 | 1.63 |
| 2002 | Nitrate | 1.32 | 1.87 | 1.32 | 0.78 |
| 2003 | Nitrate | 1.04 | 1.53 | 1.19 | 0.4 |
| 2004 | Nitrate | 1.04 | 1.53 | 1.19 | 0.4 |
| 2005 | Nitrate | 0.59 | 0.93 | 0.63 | 0.22 |
| 2006 | Nitrate | 1.44 | 1.85 | 1.71 | 0.77 |
| 2007 | Nitrate | 0.89 | 1.22 | 1.04 | 0.4 |
| 2008 | Nitrate | 0.66 | 1.03 | 0.82 | 0.12 |
| 2009 | Nitrate | 0.97 | 1.45 | 1.07 | 0.38 |
| 2010 | Nitrate | 0.65 | 1.12 | 0.73 | 0.1 |
| 2011 | Nitrate | 0.51 | 0.93 | 0.53 | 0.07 |
| 2012 | Nitrate | 0.43 | 0.7 | 0.47 | 0.11 |
| 2013 | Nitrate | 0.61 | 1.06 | 0.59 | 0.17 |
| 2014 | Nitrate | 0.54 | 0.86 | 0.57 | 0.19 |
| 2015 | Nitrate | 0.73 | 0.59 | 0.79 | 0.82 |
| 2016 | Nitrate | 0.21 | 0.49 | 0.04 | 0.1 |
| 2017 | Nitrate | 0.48 | 0.7 | 0.55 | 0.2 |
| 1992 | Total Phosphorus | 0.2 | 0.15 | 0.17 | 0.29 |
| 1993 | Total Phosphorus | 0.2 | 0.15 | 0.17 | 0.29 |
| 1994 | Total Phosphorus | 0.09 | 0.1 | 0.06 | 0.1 |
| 1995 | Total Phosphorus | 0.09 | 0.1 | 0.06 | 0.1 |
| 1996 | Total Phosphorus | 0.12 | 0.08 | 0.07 | 0.2 |
| 1997 | Total Phosphorus | 0.09 | 0.08 | 0.08 | 0.11 |
| 1998 | Total Phosphorus | 0.08 | 0.07 | 0.07 | 0.11 |
| 1999 | Total Phosphorus | 0.11 | 0.16 | 0.08 | 0.1 |
| 2000 | Total Phosphorus | 0.09 | 0.09 | 0.08 | 0.09 |
| 2001 | Total Phosphorus | 0.09 | 0.07 | 0.02 | 0.17 |
| 2002 | Total Phosphorus | 0.07 | 0.06 | 0.01 | 0.13 |
| 2003 | Total Phosphorus | 0.09 | 0.08 | 0.05 | 0.13 |
| 2004 | Total Phosphorus | 0.09 | 0.08 | 0.05 | 0.13 |
| 2005 | Total Phosphorus | 0.07 | 0.05 | 0.01 | 0.16 |
| 2006 | Total Phosphorus | 0.13 | 0.09 | 0.04 | 0.26 |
| 2007 | Total Phosphorus | 0.09 | 0.08 | 0.03 | 0.15 |
| 2008 | Total Phosphorus | 0.11 | 0.06 | 0.04 | 0.23 |
| 2009 | Total Phosphorus | 0.17 | 0.11 | 0.08 | 0.32 |
| 2010 | Total Phosphorus | 0.2 | 0.09 | 0.05 | 0.45 |
| 2011 | Total Phosphorus | 0.15 | 0.07 | 0.03 | 0.36 |
| 2012 | Total Phosphorus | 0.27 | 0.08 | 0.11 | 0.61 |
| 2013 | Total Phosphorus | 0.24 | 0.1 | 0.04 | 0.59 |
| 2014 | Total Phosphorus | 0.14 | 0.07 | 0.03 | 0.31 |
| 2015 | Total Phosphorus | 0.14 | 0.08 | 0.03 | 0.3 |
| 2016 | Total Phosphorus | 0.1 | 0.09 | 0.03 | 0.18 |
| 2017 | Total Phosphorus | 0.06 | 0.06 | 0.02 | 0.09 |