The Southwest Florida Water Management District urges year-round water conservation. Water levels may rise and fall, but our water resources remain limited. The District encourages efficient, non-wasteful uses of water to sustain our high quality of life. For more information about ways to conserve water, contact the District at 1-800-423-1476 or visit the District’s website at WaterMatters.org
Aquifer Resource Weekly Update
April 12, 2013
Aquifer Levels (in feet) *
| Regions ** | April 12 | Previous week | Same date last year |
Normal range *** |
| North | -0.06 | 0.23 | -1.51 | 0 to +3 |
| Central | 1.09 | 0.95 | -0.15 | 0 to +5.5 |
| South | 1.28 | -0.47 | -3.19 | 0 to +8 |
* Aquifers are underground layers of rock and sand that hold water. In southwest Florida, more than 80 percent of the water supply comes from aquifers.
** North (Citrus, Hernando, Lake, Levy, Marion and Sumter counties)
Central (Hillsborough, Pasco, Pinellas and Polk counties)
South (Charlotte, DeSoto, Hardee, Highlands, Manatee and Sarasota counties)
*** Aquifer levels normally fluctuate to varying degrees in different regions. The normal range shows how much each region normally fluctuates, with 0 as the bottom of the normal range.
**** Readings show how current levels compare to normal ranges for this time of year. Anything below a zero is below the normal range.
2013 Rainfall (in inches) *
| April 1-11 | April | Jan-Mar | Jan-Mar | |
| Actual ** | Historic Avg. *** |
Actual | Historic Avg. |
|
| North | 0.48 | 2.74 | 3.16 | 9.64 |
| Central | 1.16 | 2.45 | 3.13 | 8.83 |
| South | 2.43 | 2.49 | 2.48 | 7.79 |
Historic Rainfall (January – December in inches)
| 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | Jan–Dec | |
| Actual | Actual | Actual | Actual | Actual | Actual | Actual | Actual | Actual | Historic Avg. | |
| North | 55.81 | 48.35 | 49.61 | 50.63 | 49.30 | 45.43 | 38.73 | 58.85 | 62.50 | 53.50 |
| Central | 50.30 | 53.44 | 49.29 | 51.56 | 46.64 | 41.44 | 43.13 | 51.62 | 68.52 | 52.29 |
| South | 47.36 | 46.40 | 48.61 | 48.84 | 47.37 | 38.53 | 42.28 | 61.65 | 62.65 | 52.31 |
* The rainfall values for the current month and year are considered provisional and subject to revision. The other annual figures are final.
** Actual rainfall for the time frame referenced at the top of the column.
*** Historical average rainfall for the time frame referenced at the top of the column. The District’s historical rainfall records date back to 1914.