020-21 Wyo. Code R. § 21-8
(a) Treated wastewater shall be applied for the purpose of beneficial reuse and shall not exceed the irrigation need or demand of the vegetation at the site. Winter irrigation is considered to be beneficial reuse.
(b) Treated wastewater shall not be applied to agricultural land, forest, a public contact site, or a reclamation site at a application rate that is greater than the agronomic rate for the vegetation at the site.
(c) Treated wastewater shall not be applied in a manner that will contaminate a groundwater aquifer.
(d) Treated wastewater will be applied in a manner and time that will not cause any surface runoff to leave the application site and enter surface waters of the state.
(e) Direct human consumption food crops shall not be harvested for 30 days after application of treated wastewater.
(f) Animals shall not be allowed to graze on the land for 30 days after application of Class C treated wastewater.
(g) Fencing and signing shall be provided at sites where Class B treated wastewater is proposed for reuse on land with a moderate potential for public exposure.
(h) Signing shall be provided at sites where Class B or Class C treated wastewater is proposed for reuse on land with a low potential for public exposure in order to protect the health and safety of workers.
020-21 Wyo. Code R. § 21-8