OK Sanitary Service, Inc.

Name: OK Sanitary Service, Inc.
Address: 1201 S Oak Ave, Marshfield, Wisconsin, 54449, United States
Telephone: 715-384-4526

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📍 1201 S Oak Ave, Marshfield, Wisconsin, 54449

Grease Trap Pumping Septic Pumping Same Day Service Maintenance Contracts Grease Trap Services

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About

OK Sanitary Service Inc has operated in Marshfield, Wisconsin since 1986, providing commercial and residential waste management across central Wisconsin including Marshfield, Milladore, Neillsville, Pittsville, Spencer, and surrounding communities. Commercial services include grease trap pumping, lift station maintenance, and dairy sludge removal. Residential services cover septic tank and holding tank pumping, POWTS inspections, and filter cleaning. The company employs a licensed POWTS Maintainer and Master Septage Operator on staff and maintains Wisconsin DNR and Department of Commerce certifications. Vacuum trucks with capacity up to 5,800 gallons are available for large-volume jobs.

Service Details

Years in Business 40 years

Fleet Size Truck capacity up to 5,800 gallons (Truck capacity up to 5,800 gallons)

Licence Number Licensed POWTS Maintainer, Master Septage Operator

Licence # on file Insured & Bonded

Service Area

Serves 15 areas across Wisconsin

Marshfield, WI Arpin, WI Auburndale, WI Chili, WI Edgar, WI Granton, WI Greenwood, WI Loyal, WI Milladore, WI Neillsville, WI Pittsville, WI Rozellville, WI Spencer, WI Stratford, WI Vesper, WI +3 more

Location

Regulatory Context

FOG Compliance in Wisconsin

Wisconsin food service operators must comply with FOG pretreatment regulations under the Wisconsin Department of Natural Resources (DNR) and local utilities. Milwaukee Metropolitan Sewerage District (MMSD), Madison Water Utility, Green Bay Metropolitan Sewerage District, and other utilities maintain active FOG programs. NR 211 (Wisconsin Administrative Code) provides the pretreatment framework. Requirements include interceptor installation, maintenance schedules, certified hauler use, and three-year record retention.

See full grease trap regulations in Wisconsin →

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Listing data last checked: May 18, 2026

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