University of Georgia Cooperative Extension Maintaining Quality Well Water Prepared by: Frank Hancock Agriculture and Natural Resource Agent Henry County What's in Your Well Water? Is My Water Safe to Drink? How Did We Get Here? Why We Are Here? 52% of wells tested were positive for bacteria 48% negative Coliform bacteria 42% 10% ecoli Environmental Health Samples 34% positive for coliform bacteria Copper exceeds EPA primary standards in 17% of wells tested Above EPA secondary standards % of wells tested iron 14% manganese 13% 22% copper RAINFALL TOTALS BY YEAR ATL Jan Feb March April May June July Aug Sept Oct Nov Dec Total 1996 8.26 3.82 6.42 2.91 2.12 1.70 2.14 4.66 4.32 0.89 3.22 4.14 44.60 1997 5.65 7.93 2.18 4.28 3.36 3.91 4.71 1.32 4.83 5.12 3.34 5.05 51.68 1998 5.83 7.10 6.25 5.12 1.23 3.58 2.93 5.54 4.45 0.26 1.97 1.90 46.16 1999 5.34 1.97 3.32 1.14 4.42 5.83 3.43 1.26 4.19 2.41 3.34 2.21 38.86 2000 4.89 1.26 3.63 2.63 1.86 1.11 2.70 4.03 4.93 0.88 5.02 2.62 35.56 2001 2.77 3.61 9.08 3.30 3.31 6.69 2.54 1.03 2.19 0.79 0.87 2.22 38.40 2002 5.35 2.54 5.49 1.83 3.52 2.81 2.59 0.77 6.39 5.94 5.36 5.23 47.82 2003 2.00 3.51 7.08 3.44 9.94 7.34 5.35 3.48 2.41 1.49 4.17 2.69 52.90 2004 2.84 4.60 1.04 2.80 2.58 5.99 2.20 3.63 13.65 2.19 7.26 4.82 53.60 2005 2.57 5.58 7.49 4.36 1.98 2.91 14.63 8.28 0.07 1.98 2.91 3.67 56.43 2006 5.10 5.50 2.93 2.48 2.86 5.80 1.31 8.66 3.31 3.04 4.39 3.08 48.46 2007 3.95 2.63 1.31 1.79 2.05 3.66 1.85 3.48 1.19 1.83 1.06 4.35 29.15 2008 2.61 4.76 30yravg 5.03 4.68 5.38 3.62 3.95 3.63 5.12 3.67 4.09 3.11 4.10 3.82 50.20 Level Four Drought Restrictions don’t Bother Me I Have A Well. Stream flows are at an all time low. The water table is likewise low. Well users should be more diligent than anyone to conserve water. How Do We Use Water? Water Changes During Drought Be aware of any changes in: Odor Color Taste If changes are noted have water tested. Who is responsible for the quality of your well water? YOU! Well House Protects Pump, Tank, and Electrical Components. It is not a storage area. No Pesticides No Trash Piles No Fertilizer No Gasoline No Lawnmowers Tree Roots Can penetrate well casing Provide a path for harmful bacteria to enter the well. Trees should not be planted close to the well. Buffer Zones 50’ Buffer Wood Piles Rock Piles Trash Piles Septic Tank 100’ Buffers Field Lines Chicken Coop Dog Pen Rabbit Cage Cow Pasture Manure Pile (250’) Out House 250’ 100’ 100’ Buffers Fertilizer storage Petroleum Products Pesticide mixing Station Streams Termite treated structures Don’t put anything around your well that you don’t want to drink. Insects Chemicals/Trash Cracked Top /Rat Droppings Well Checklist Well Head Protection is a Serious Issue