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Traditional hand-dug wells

19 bytes removed, 22:49, 11 April 2012
→‎Avoid contamination
- Generally lower rate of inflow for the effort involved <br>
- Smaller wells can dwindle in supply during long dry periods and heavy use, especially in perched aquifer areas <br>
- If handpumps are used, all All disadvantages related to pumps handpumps also relate to boreholes, including operation and maintenance issues, lack of
ownership, and spare parts availability <br>
- Hand-dug wells near a river can be contaminated by pollution from agricultural runoff in river water <br>
Winona
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