NYSDEC’s Landfill Leachate Reduction Rulemaking
Background The New York State Department of Environmental Conservation (NYSDEC) regulates solid waste management facilities, including landfills, throughout the state. Everyday refuse is disposed of in municipal solid waste (MSW) landfills. At landfills, liquid exits...
2026 CFA Program Highlights
Are you interested in applying for grants offered through New York State’s (NYS’s) Consolidated Funding Application (CFA)? Each year, several state agencies accept applications to a variety of funding programs through the CFA. This makes the funding application...
Complete Your Semiannual Stormwater Sampling By 6/30!
The deadline for quarterly and/or semiannual stormwater monitoring and sampling is June 30, 2026! These requirements are set forth by your facility’s New York State Pollutant Discharge Elimination System (SPDES) permit. Facilities that must comply with these...
Wetlands 101: The Benefits of a Wetland Delineation
As engineers and scientists based on Long Island, Walden’s consultants have ample experience helping clients manage wetland habitats located either on or in proximity to their properties. Wetlands are critical to the health and stability of local ecosystems, and they...
2026 First Quarter Stormwater Deadline Approaching
The first quarter deadline for stormwater compliance tasks is near. March 31, 2026 marks the last day of the quarter. Any facility covered by the New York State Department of Environmental Conservation’s (NYSDEC) Multi-Sector General Permit (MSGP) for Stormwater...
CT Reissues the Dewatering and Remediation Wastewater General Permit
The Connecticut Department of Energy and Environmental Protection (CT DEEP) has reissued the General Permit for the Discharge of Dewatering and Remediation Wastewaters (D2R GP) effective March 1, 2026. This follows the reissuance of the General Pretreatment Permit for...
Waters of the United States: Updates Regarding Proposed Rule
The term Waters of the United States (or ‘WOTUS’) and its implications on federal wetland protection have been a major point of contention, most notably sparked by the case brought upon by Michael and Chantell Sackett in 2007 to resume construction work on their...
General Permit for the Discharge of Dewatering and Remediation Wastewaters
The Commissioner of the Connecticut Department of Energy and Environmental Protection (DEEP) issued a Notice of Tentative Determination on December 24, 2025, indicating the agency’s intent to renew the General Permit for the Discharge of Dewatering and Remediation...
Is Your Community Ready for MS4 Mapping Requirements?
The current New York State Department of Environmental Conservation (NYSDEC) Municipal Separate Storm Sewer Systems (MS4) General Permit 0-24-001 has been in effect for nearly two years, and this means that Phase 1 of comprehensive stormwater system mapping will be...
CT DEEP Issues Notice of Tentative Determination to Renew the Comprehensive General Permit
The Connecticut Department of Energy and Environmental Protection (CT DEEP) has issued a Notice of Tentative Determination to renew the Comprehensive General Permit for Discharges to Surface and Groundwater. Public comments on the proposed renewal are due by January...