C.R.S. § 35-11-112

(1) Pursuant to the applicable provisions of article 4 of title 24 , C.R.S., the commissioner may deny, suspend, revoke, restrict, or refuse to renew the permit of an applicant or permit holder, as the case may be, who: (a) Fails to have installed and operating, or to have properly installed, any device required by section 35-11-107 ; (b) Has used for chemigation an irrigation system which is subject to a repair order under section 35-11-110 (2) and which has not been reinspected and approved; (c) Has utilized chemigation without a permit on or after January 1, 1990; (d) Has utilized for chemigation any equipment which did not, at the time of such use, meet the requirements established by section 35-11-107 or by any rule or regulation adopted by the commissioner pursuant to this article; (e) Has contaminated groundwater or surface water by the use of chemigation; (f) Has violated any provision of this article or any rule or regulation promulgated by the commissioner pursuant to this article.