Notwithstanding Section 134.092(a)(20), in areas or regions of the state where the annual average precipitation is 26 inches or less, an operator’s assumption of responsibility and liability extends for:
(1) 10 years after the last year of augmented seeding, fertilizing, irrigation, or other work, if the land is not previously mined land; or
(2) five years after the last year of augmented seeding, fertilizing, irrigation, or other work, if the land is previously mined land.