United States
Wisconsin - Milwaukee
Trinity's Milwaukee staff bring extensive hands-on experience with Wisconsin environmental permitting and compliance. For over 20 years, Trinity has served Wisconsin clients on more than 800 projects in a wide range of industries. Our office in Germantown was established in 2018 to provide a local presence for Wisconsin facilities. With in-depth knowledge of the state and federal permitting and compliance processes, we support industrial clients with authorizing capital projects and enforcement negotiations with EPA Region 5 and the Wisconsin Department of Natural Resources.
Ready to Get Local, Practical Environmental Guidance?
Your facility in Wisconsin deserves a tailored approach—not a one-size-fits-all checklist. Trinity’s regional consulting team understands the specific air, water, waste, safety, and permitting challenges you face right here in Milwaukee and across the state.
Take the Next Step — Schedule Your Local Environmental Consultation
Local Leadership
Wisconsin - Milwaukee
2505 N. 124th Street, Suite 225
Brookfield, Wisconsin 53005
- Phone:
- 262.200.0200
- TOLL-FREE:
- 888.555.2340
Wisconsin - Milwaukee
Our Services Offered
Air Dispersion Modeling
Trinity provides a wide range of air quality modeling consulting services for regulatory applications, emergency planning, and human health assessments.
Air Quality Permitting
Trinity Consultants are experts in air permitting support for compliance with the Clean Air Act, offering comprehensive services from strategy, application development, and agency negotiations.
Auditing and Verification
Boost EHS compliance and performance with tailored Auditing & Verification solutions for regulatory compliance, management systems, and risk management.
EHS and Sustainability Reporting
Streamline your EHS reporting with Trinity's regulatory compliance and sustainability reporting expertise for accuracy, efficiency, and reduced compliance risks.
Water Quality Permitting and Compliance
Trinity provides expertise across wastewater permitting and compliance; storm water permitting and compliance; spill prevention, control and countermeasures planning and compliance; wetlands permitting; and other CWA programs.
PHA and Risk Assessments
Trinity Process Hazard Analysis (PHA) experts have extensive experience with hazard identification, evaluation, and mitigation services.
Process Safety Management Services
Trinity experts provide Process Safety Management (PSM) support that ensures safe handling of hazardous processes, preventing accidents & protecting workers, communities, & environment.
Risk Management Program Support
Trinity’s team of RMP experts are committed to identifying, assessing, documenting, and addressing risks to ensure the safety of our clients, community, and the environment for chemical accident prevention.
Spill Prevention, Control, and Countermeasure Plan (SPCC)
Trinity has the expertise to develop SPCC Plans across numerous industrial facilities and can assist with plan revisions and program audits.
Stormwater Pollution Prevention Plan (SWPPP)
Trinity is the leading industry regulatory expert in SWPPP stormwater runoff from industrial facilities and construction sites that can contaminate rivers, lakes, and coastal waters.
TSDF Support
Hazardous Waste Treatment, Storage, and Disposal Facilities (TSDFs)Insights
Local News
2025 Updates to NR 439
2025 Fee Updates for WI Air Permits: What to Expect
Midwest Ozone NAAQS Nonattainment Bump Up
New Wisconsin Hazardous Waste Rules Now in Effect - Universal Waste, Testing, and Clarifications
WA-12-21: WDNR Expands Universal Waste Program to Include Aerosol CansAs of July 1, 2025, the Wisconsin Department of Natural Resources (WDNR) has expanded its universal waste regulations under NR 673 to include aerosol cans. This change part of Rule Package WA 12 21 offers generators a streamlined alternative to managing hazardous waste aerosol cans under the traditional NR 661 framework. Before this rule took effect, aerosol cans were generally handled under the hazardous waste regulati...
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