Water, Stormwater & Dewatering
45 expert articles on water, stormwater & dewatering from Envicon Group's NY and NJ environmental engineers.
Sediment and Waterfront Remediation NY and NJ 2026: MGP Residuals, Bulkheads, and Dredge Material Management
A waterfront parcel in Jersey City, Bayonne, Newark, Brooklyn, or Queens rarely has a single environmental problem. The shoreline may contain manufactured gas plant residuals, coal tar, PAH-impacted sediment, historic fill, buried debris, and decades of industrial discharge. The bulkhead may be structurally compromised. The seabed may require dredging or capping. Tidelands, riparian rights, wetlands, […]
Environmental Consultant Hoboken NJ: Phase I ESA, Flood, Historic Fill, and Transaction Risk
A Hoboken property transaction can look straightforward on paper and still carry environmental, flood, subsurface, or permitting risks that affect price, financing, and schedule. A credible environmental consultant in Hoboken NJ should do more than deliver a Phase I report. The work should connect environmental findings to the decisions you need to make before closing, […]
New York EIS Timeline 2026: One-Year and Two-Year SEQRA Planning for Manhattan and Brooklyn Projects
For developers planning a Manhattan or Brooklyn project, the New York EIS timeline 2026 now has clearer statutory benchmarks. New York’s 2026 SEQRA changes establish a one-year outside period for the lead agency to determine whether an Environmental Impact Statement is required. For qualifying permit or authorization actions, the agency must generally prepare and make […]
New Jersey Flood Hazard Area Permit Completeness: What REAL Rule Applications Need Before NJDEP Review
A New Jersey flood permit does not become complete just because it was uploaded to NJDEP. For waterfront and flood-zone projects in Jersey City, Hoboken, Bayonne, Newark, Hudson County, Bergen County, and Essex County, NJDEP must have enough reliable information to evaluate the regulated activity. That means more than an application form. It means verified […]
NYC Multifamily SEQRA Exemption 2026: Phase I ESA and Hazardous Materials Checklist for Developers
New York’s SEQRA reforms took effect on May 26, 2026. They create a potential exemption for certain multifamily housing projects classified as “qualified housing actions.” That does not mean every NYC housing project qualifies. It means developers now have a defined screening path. The project still needs the right unit count, zoning, site history, infrastructure, […]
SWPPP Services NJ: NJPDES 5G3 Stormwater Permit and Site-Specific Construction Compliance
A construction site in New Jersey can trigger two separate compliance tracks before the first excavator moves soil. The first is the Soil Erosion and Sediment Control Plan, commonly called a SESCP, which is reviewed by the local Soil Conservation District. The second is NJDEP authorization under the NJPDES Construction Activity Stormwater General Permit 5G3, […]
NJ REAL Legacy Provisions 2027: Complete Application Readiness for Jersey City and Hoboken Flood Zones
The July 20, 2027 deadline is proposed, not automatic New Jersey developers working in Jersey City, Hoboken, Bayonne, Hudson County, Bergen County, and the Newark waterfront need to separate two issues: What NJDEP has proposed. What the final rules legally allow for a specific project. NJDEP adopted the NJPACT Resilient Environment and Landscapes, or REAL, […]
NJ Water Allocation Permit for Construction Dewatering: 100,000-Gallon Thresholds and Hudson County Planning
A Jersey City, Hoboken, Bayonne, Newark, or other North Jersey excavation can require more than a pump and a discharge hose. If groundwater enters the excavation, the project team must evaluate withdrawal volume, pumping duration, water quality, discharge destination, sewer capacity, and site constraints before excavation begins. The key state threshold is 100,000 gallons per […]
New York SEQRA Housing Exemptions 2026: Environmental Due Diligence for Multifamily Projects on Previously Developed Sites
New York’s 2026 SEQRA reforms change how development teams should screen multifamily housing projects before committing to a site plan, financing package, or closing schedule. The May 2026 budget law created a statutory exemption for certain housing actions on previously disturbed sites. The June 2026 amendments to 6 NYCRR Part 617 added more structured environmental […]
New York Construction Stormwater Permit GP-0-25-001: SWPPP Readiness for NYC and Downstate Projects
GP-0-25-001 is now the permit controlling New York construction stormwater readiness New York’s SPDES Construction General Permit GP-0-25-001 took effect on January 29, 2025, and remains effective through January 28, 2030. It replaced GP-0-20-001 and applies to qualifying construction activity across New York, including New York City, Westchester County, and the Hudson Valley. For most […]
NJDEP Dewatering Permit Jersey City: Construction Groundwater Management Before Excavation
A deep excavation in Jersey City, Newark, Hoboken, or elsewhere in Hudson County can encounter groundwater before the foundation work begins. Once that water enters the excavation, the project team must make several decisions quickly: How much water will be pumped? How long will dewatering continue? Where will the […]
New Jersey REAL Rules 2026: Flood Risk, Resilient Design, and the Legacy Provision Deadline
A project in Jersey City, Hoboken, Bayonne, or another coastal part of New Jersey now requires a different permitting conversation. On January 20, 2026, the New Jersey Department of Environmental Protection adopted the Resilient Environment and Landscapes, or REAL, amendments. The rules update the state’s Coastal Zone […]