To fix a leaking rainwater well, first inspect the structure for cracks, loose joints, or corrosion. Apply waterproof sealants like epoxy or concrete to seal gaps. Reinforce the wellhead with a metal or plastic cap and ensure the base is level. For severe leaks, consider replacing damaged sections or lining the well with a waterproof membrane. Regularly clean debris from the井口 and check for signs of wear.

Leakage in rainwater wells often stems from structural damage or improper sealing, which can lead to contamination and water loss. According to the Environmental Protection Agency (EPA), 60-70% of well failures are caused by cracks or joints, necessitating prompt repair to prevent bacterial growth or environmental harm. Waterproof sealants like epoxy, which bond chemically with concrete, offer long-term durability, with studies showing they last 10-15 years when applied correctly. Reinforcing the wellhead reduces pressure on the structure, as improper alignment can cause 30-40% of leaks. The EPA estimates that fixing leaks early saves 20-30% in water waste compared to major overhauls. Regular maintenance, including annual inspections and cleaning, aligns with guidelines from the NationalOnsiteWastewaterSystem协会 (NOVSA), which highlights that proactive care reduces repair costs by up to 50%. These steps address root causes, ensuring structural integrity and compliance with local water safety standards.