Approximate Amount of Bleach for Disinfection of a Bored or Dug Well (Metric)
Depth of Water  Diameter of Well  

0.15 meter  0.3 meter  0.6 meter  0.9 meter  1.2 meters  1.5 meters  
3 meters  118 mL  414 mL  1.66 L  3.78 L  6.62 L  10.41 L 
6 meters  236 mL  828 mL  3.32 L  7.56 L  13.24 L  20.82 L 
9 meters  354 mL  1.24 L  4.98 L  11.34 L  19.86 L  31.23 L 
12 meters  472 mL  2.49 L  6.64 L  15.12 L  26.48 L  41.64 L 
15 meters  590 mL  3.72 L  8.30 L  18.9 L  33.10 L  52.05 L 
Notes:


Key:

For information in United States measurements, please see Table 1. Approximate Amount of Bleach for Disinfection of a Bored or Dug Well.