Natural Resources | Permitting and Compliance
California Conditional Letter of Map Revision
Trihydro provided hydraulic modeling and floodplain permitting services for a remediation project to increase wetland area…
Permitting and Compliance
Supporting environmental permitting and compliance across federal, state, and local regulations through coordinated strategy, agency engagement, and ongoing compliance management.
Projects
Industrial and Chemical | Permitting and Compliance
Class VI Permitting, CARB Certification, and Monitoring Program
As part of a multi-organization team, Trihydro is supporting permitting efforts and leading baseline environmental…
Natural Resources | Permitting and Compliance
Cal-Wood Wildfire Rehabilitation
When the Cal-Wood Fire left more than 10,000 acres of burned land in its wake, Trihydro supported Boulder County Parks and…
Industrial and Chemical | Assessment and Remediation
Remedy Evaluation and Implementation for Brownfield Funding
The Town of Dubois contracted Trihydro to provide technical assistance for remedy evaluation and implementation for…
Oil and Gas | Permitting and Compliance
Environmental Due Diligence
Trihydro partnered with a Fortune 500 waste management firm and local environmental health & safety managers to rapidly…
Delve Articles
Oil and Gas | Permitting and Compliance
What EPA’s “Compliance First” Approach Means for Regulated Communities
EPA has adopted a new enforcement strategy that directs enforcement staff to take a “compliance first” approach to all…
Industrial and Chemical | Permitting and Compliance
EPA Takes Action to Tighten Perchlorate Regulations for Drinking Water
Following a court order, EPA is taking action to tighten regulations for perchlorate in drinking water. We explain what the…
Industrial and Chemical | Permitting and Compliance
Oklahoma DEQ Proposes Water Rule Updates to Align with New EPA Regulations
The Oklahoma Department of Environmental Quality (DEQ) is revising Title 252 of the Oklahoma Administrative Code (OAC),…
Industrial and Chemical | Permitting and Compliance
Navigating New State and SEC Environmental Disclosure Regulations
Historically, some companies have disclosed their environmental footprint voluntarily, choosing to highlight their…
Industrial and Chemical | Permitting and Compliance
California’s SB 404 Brings New Management Standards for Metal Shredding Facilities
Update: California Governor Gavin Newsom vetoed this bill on October 13. We are waiting to see how the Legislature responds…
Natural Resources | Permitting and Compliance
USACE Proposes Changes to Nationwide Permits
USACE is proposing a new Nationwide Permit (NWP) and updates to a handful of existing NWPs. We explain USACE’s proposals…
Industrial and Chemical | Permitting and Compliance
What You Need to Know About the EPA’s Methylene Chloride Ban
Learn how methylene chloride has been regulated in the past, the implications of the rule, and the steps to stay compliant…
Industrial and Chemical | Permitting and Compliance
EPA Finalizes New Clean Water Act Hazardous Substance Facility Response Plan Requirements
The new rule expands the requirement for FRPs to include facilities handling certain hazardous substances exceeding…
Oil and Gas | Assessment and Remediation
EPA Designates PFOS and PFOA as CERCLA Hazardous Substances
On April 19, 2024, the US EPA announced the final designation of two PFAS compounds, PFOA and PFOS, as hazardous substances…
Infrastructure | Assessment and Remediation
EPA Releases New Residential Lead Policy Guidance
EPA is lowering recommended screening levels and strengthening guidance for investigating and cleaning up lead-contaminated…
Oil and Gas | Assessment and Remediation
EPA Issues Update on PFAS Strategic Roadmap
The EPA has published the 2023 Annual Progress Report (2023-APR) to provide updates on the progress made in implementing the…
Natural Resources | Permitting and Compliance
Strengthening Community Wildfire Protection Plans (CWPP)
We explore Community Wildfire Protection Plans and offer insights into how communities can expand wildfire preparedness…
Trainings
Industrial and Chemical | Assessment and Remediation
Training: Corporate Sustainability Planning and Assessment
Trihydro’s Corporate Sustainability Planning and Assessment training is designed for companies interested in how…