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Facility Details: Northwest Ready Mix

Street Photo
Street Map 		Aerial Photo
Aerial Photo
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  • Name/Address:
  • Northwest Ready Mix
  • 2135 230TH ST.
  • Milford, IA 51351
  • Owner: CEMSTONE CONCRETE MATERIALS
  • State Facility ID: 311723792
  • Federal Facility ID:
  • Location Supplement:
  • Location Comment:
  • Latitude: 43.33861
  • Longitude: -95.13169
  • Location Accuracy: 20 m (Good)
  • Reference Point: PLANT ENTRANCE (GENERAL)
  • Collection Method: INTERPOLATION-PHOTO
  • Last Updated: 1/26/2026 3:35 AM
  • Collected By: sgarrets

Aliases
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Program Name Start Date End Date
NPDES General Permit #1-3 - Storm Water Northwest Ready- Mix Concrete, Inc. 08/15/2008 8/26/2025 5:21:00 AM
Minor Northwest Ready Mix - Milford 05/09/2009

Program Information
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Wastewater - NPDES General Permit #1-3 - Storm Water

Program IDPermit TypeLegal StatusPermit StartPermit EndLink to Details
299-204GP #3Private10/1/19929/30/2028To Stormwater Site

Air - Minor

Plant #RequirementTypePermit StatusPermit IssuedPermit ExpirationLink to Details

Field Office - FO


Above Ground Storage Tank - AST

AST IDIssue DateExpiration DateStatusLink To Details
AST13428Oct 14, 2014Jan 31, 2015Regulated ActiveTo AST Site


Industrial Codes
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SIC Code Description
3273 Ready-mixed concrete

NAICS Code Description
327320 Ready-Mix Concrete Manufacturing

Compliance Links
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Enforcement Action
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Features
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No Feature Information for this site.