Each user must notify the DEQ of any planned significant changes to the user's operations or system which might alter the nature, quality, or volume of its wastewater at least 120 days before the change.
Okla. Admin. Code § 252:623-11-2
Each user must notify the DEQ of any planned significant changes to the user's operations or system which might alter the nature, quality, or volume of its wastewater at least 120 days before the change.
Okla. Admin. Code § 252:623-11-2