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

Table 1.1 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:

  • Use only unscented household liquid chlorine bleach.
  • Bleach concentrations can vary between 5% and 6%.
  • Quantities given in this table are approximate and are rounded to the nearest practical measurement. Amounts given are calculated in accordance with reaching a chlorine concentration of 100 mg/L

Key:

  • mL: millileter
  • L: Liter
  • 1 liter = 1000 millileters

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

 
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