Solid Waste Services

Walden’s solid waste engineers are experts at evaluating and designing new or modified facilities in accordance with local and state regulations and requirements related to zoning, offsets, storage, and operations. Walden can assist your facility in obtaining the required registrations, permits or modifications and maintaining continued regulatory compliance. Walden can file applications, drawings, and reports for the modification and expansion of your permits. Walden’s involvement in public comments and expert testimony in a development of the largest revision of NYCRR Part 360 led to substantial regulation changes. Walden can also ensure that your facility complies with air emission regulations, stormwater management regulations, and waste acceptance requirements.

Walden’s Solid Waste Services are Listed Below:

  • Facility Evaluation and Improvement
  • Facility Application Preparation
  • Environmental Assessment Statements (EASs)
  • Performance Standards for DSNY Permit Renewal
  • Waste Control Plans
  • Waste Acceptance Evaluation
  • Contingency Plans
  • Waste Reports and Compliance Certifications
  • Environmental Justice Program
  • Stormwater Discharge Plans
  • Stormwater Pollution Prevention Plans
  • Air Emissions Permitting
  • Erosion and Sediment Control Inspections
  • Excavated Materials Disposal Plans
  • HASP

Relevant Facilities:


Facility Alterations to a Fill Material Transfer Station, Staten Island (2018).

Walden provides Solid Waste management expertise to a Fill Material Transfer Station in regards to compliance with EPA, NYSDEC, and NYCDEP rules and regulations. A current project was to assist this client in complying with the new NYSDEC Part 360 rules and regulations. The client’s facility required a new permit to remain in business; Walden produced a series of documents consisting of reports, plans and drawings which required a New York PE’s certified stamp. In acquiring the required permit, Walden assisted the client and their business in adjusting their day to day operations in order to remain in compliance. read more

Part 360/361-5 Construction and Demolition Facility Permit Renewal, Brooklyn (2020). 

Walden prepared a Part 360/361 permit renewal for a construction and demolition (C&D) debris processing facility in Brooklyn, NY in order to comply with the new 6 NYCRR Part 360 & 361-5 regulations. Walden was hired to help with various tasks, specifically the NYSDEC permit renewal. Walden additionally helps the client stay in compliance with any other regulations to help avoid any future violations. read more

Mulch Operations with Part 360/361/362 Permit Applications, Suffolk County New York (2019). 

In response to the recent revisions to the New York State solid waste management facility regulations to include mulch and compost processing as well as storage facilities under 6 NYCRR Part 361-4 and 361-3, Walden was hired to work with a multiple facility business in Suffolk County to obtain the required permits for their facilities for continued operation within the new regulatory parameters. Walden used its 30 years of experience in providing solid waste consulting and its understanding of the intent of the regulations in reducing environmental impacts and met with the New York State Department of Environmental Conservation (NYSDEC) on behalf of the client to navigate through the new and not yet finalized regulations. read more

Grease Trap Waste Recycling Facility Permit Renewal Part 360/362-3 Long Island City (2019)

Walden prepared a permit renewal for a Grease Trap Waste facility for in Long Island City, NY in order to comply with the new 6 NYCRR Part 360 & 362-3 regulations. The facility has developed a way of collecting and cleaning the grease/sludge from the grease traps of food processing facilities and restaurants for recovery. The Facility separates and disposes of pre-treated wastewater and solids, as well as recovers and recycles the non-petroleum oil and grease for industrial use. New regulations had to be applied to the permit renewal in order for the facility to stay in compliance. read more