我想出一張英文告示

The water pipes have been leaking for a long time. For safety reasons, water supply will be turned off if the situation is not improved shortly.

In view of the constant leakage of water pipes, we regret to inform you that the water supply will be soon disconnected for safety reasons if the problem remains unsolved within 2 days.
因水喉長期漏水，我們很抱歉通知閣下，如問題於2天內未能解决，基於安全理由，來水供應將於短期內被截斷。

The water system has been leaking for a long period of time, because of safety reasons, if it doesn't improve, the water will be turned off.