N.M. Stat. § 73-2-31
If any proprietor of any land irrigated by any such ditch shall neglect or refuse to furnish the number of laborers required by the mayordomo, as prescribed in Section 73-2-30 NMSA 1978, after having been legally notified by the mayordomo, he shall pay a civil penalty for each offense in a sum not exceeding twenty dollars ($20.00) for the benefit of the ditch, which shall be recovered by the mayordomo before any magistrate in the county, and in such cases the mayordomo may be a competent witness to prove the offense, or any fact that may serve to constitute the same. The amounts collected under this section shall be considered as an additional penalty and are not construed to amend or limit the provisions of Section 73-2-25 or 73-2-26 NMSA 1978.
NMS § 73-2-31