x Having issues? A prototype of a new version of Facility Explorer is available at https://facilityexplorer.iowadnr.gov/FacilityExplorer4/

Facility Details: Mason City Water Treatment Plant

Street Photo
Street Map 		Aerial Photo
Aerial Photo
Scale:
0
  • Name/Address:
  • Mason City Water Treatment Plant
  • 339-13TH ST NE
  • Mason City, IA 50401
  • Owner:
  • State Facility ID: 311387158
  • Federal Facility ID: 110040469917
  • Location Supplement:
  • Location Comment:
  • Latitude: 43.16331
  • Longitude: -93.19725
  • Location Accuracy: 100 m (Fair)
  • Reference Point: PLANT ENTRANCE (GENERAL)
  • Collection Method: ADDRESS MATCHING-DIGITIZED
  • Last Updated: 1/26/2026 3:35 AM
  • Collected By:

Aliases
Collapse
No Alias Information for this site.

Program Information
Collapse

Air - Minor

Plant #RequirementTypePermit StatusPermit IssuedPermit ExpirationLink to Details


Industrial Codes
Collapse
SIC Code Description
4941 Water supply

NAICS Code Description
221310 Water Supply and Irrigation Systems

Compliance Links
Collapse


Enforcement Action
Collapse
No Enforcement Action Information for this site.

Features
Collapse
No Feature Information for this site.