OSI Environmental Inc - Waukesha, WI

Name: OSI Environmental Inc - Waukesha, WI
Address: 912 Tesch Court, Waukesha, Wisconsin, 53186, United States
Telephone: (800) 732-5667

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📍 912 Tesch Court, Waukesha, Wisconsin, 53186

Grease Trap Pumping Septic Pumping Emergency Service Industrial Waste Oil Collection Environmental Cleanup Services Pipeline Services Hazardous Waste Disposal Management Tank Removal Cleaning Vac Truck Services Industrial Cleaning Services Emergency Spill Response Roll Off Services Transportation Hydro Test Support Disposal Services Disposal Lab Packs Recycling Used Oil Recycling Services Parts Washer Services

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About

OSI Environmental Inc in Waukesha, WI has been acquired by GFL Environmental Services (Green For Life), a major North American environmental services company. Under the GFL umbrella, the Waukesha location continues to serve commercial clients in the Milwaukee area with liquid waste and FOG services including grease trap and interceptor-pit cleaning, used oil collection and recycling, vacuum and hydro-excavation, and emergency spill response. The 912 Tesch Court facility serves Waukesha County food service operators and industrial clients needing compliant grease interceptor maintenance and waste removal. GFL operates with 24/7 emergency response capability across Wisconsin.

Service Details

Emergency 24/7 ✓ Available

24/7 Emergency

Service Area

Serves 10 areas across Wisconsin

Anoka Bemidji Eveleth Moorhead Green Bay Superior Waukesha Marquette Merrillville Oklahoma City

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: April 4, 2026

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