Harding Portables LLC

Name: Harding Portables LLC
Address: W4920 Hilldale Dr, Porterfield, Michigan, 54159, United States
Telephone: 715-854-2205

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📍 W4920 Hilldale Dr, Porterfield, Michigan, 54159

Grease Trap Pumping Hydro Jetting Drain Cleaning Sewer Camera Inspection Septic Pumping Portable Toilets Grease Trap Services

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About

Harding Portables LLC is a Wisconsin-based sanitation company headquartered in Porterfield, Marinette County, providing pumping and portable sanitation services across northeastern Wisconsin and Menominee County in Michigan's Upper Peninsula. Founded by Bryce Harding, who started the business while still in high school with a single 1994 Ford F-450 and eight portable restrooms, the company has grown to offer grease trap pumping, septic tank and holding tank service, catch basin cleaning, dumpster rentals, and portable restroom supply. The operation covers Marinette County, Oconto County, Southeast Forest County, and Menominee County (MI). Harding Portables was featured in Pumper Magazine in December 2014.

Location

Regulatory Context

FOG Compliance in Michigan

Michigan food service establishments must comply with FOG pretreatment rules under the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and local utilities. Detroit Water and Sewerage Department, Grand Rapids DPW, and Lansing Wastewater Utility maintain FOG programs with interceptor requirements, maintenance schedules, and manifest retention. Given Michigan's extensive Great Lakes shoreline, FOG-related sewer overflows carry heightened environmental consequences.

See full grease trap regulations in Michigan →

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Listing data last checked: May 18, 2026

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