Sheriff’s Office

NSPS (Subparts IIII & JJJJ) Information

Requirements for Stationary Internal Combustion Engines

All owners or operators of a stationary internal combustion engine meeting the applicability criteria as outlined in Subpart IIII or Subpart JJJJ must submit a construction permit to Polk County - AQD.  The manufacturer's nameplate rated capacity at full load shall be defined as the brake horsepower output at the shaft.  All engines with a BHP ≥ 100 must submit a construction permit application.

If a facility determines it does not have the required permit for an engine, a complete construction permit application and notification must be submitted.

 Stationary Internal Combustion Engine Initial Notification

Contact Us

Phone: (515)-286-3705
Fax: (515)-286-3437
Operating Hours: 7am - 4:30pm / M-F
5885 NE 14 Street
Des Moines, IA 50313