Clay Pits

SIC #1455 and 1459

Discharge of stormwater, snowmelt and infiltration water from a clay pit or mine.

*The department is in the process of renewing this permit. If this permit is issued to your facility, you must apply for renewal of your permit a minimum of 30 days before it expires, so the department can authorize your facility to continue operating in Missouri.

• Clay Pits Master General Permit Reissuance Public Meeting, Jan. 7, 2026