اللَّهُمَّ اسْقِ عِبَادَكَ، وَبَهَائِمَكَ، وَانْشُرْ رَحْمَتَكَ، وَأَحْيِي بَلَدَكَ الْمَيِّتَ

O Allah, give water to Your slaves, and Your livestock, and spread Your mercy, and revive Your dead land.

Allaahum-masqi 'ibaadaka, wa bahaa'imaka, wanshur rahmataka, wa 'ahyi baladakal-mayyita

Abu Dawud 1/305. Al-Albani graded it good in Sahih Abu Dawud 1/218.