Well-drilling OBJECTIVES
• High yield with minimum drawdown
• Good-quality water with proper protection from contamination
• Sand-free water
• Long lifetime (greater than 50 years)
• Reasonable short-term and longterm costs
• High yield with minimum drawdown
• Good-quality water with proper protection from contamination
• Sand-free water
• Long lifetime (greater than 50 years)
• Reasonable short-term and longterm costs