North Star Engineering, PLLC
Navigating The Way Through Engineering
About the firm
North Star Engineering, PLLC is a civil and environmental engineering practice located in Suffolk County on Long Island, New York. Established by native Long Islanders, it assists property owners, developers, and architects in navigating environmental permitting and site engineering. The practice specializes in onsite sanitary system design-including Innovative and Alternative Onsite Wastewater Treatment Systems (I/A OWTS)-as well as stormwater management, wetlands permitting, and site planning.
- Team
- Micro
- Firm type
- Civil Engineering · Environmental Engineering · Water / Wastewater Engineering
Credentials
Certified SWPPP Inspector
People
Maggie VavricaPrincipal
Sarah ChurchillPrincipal
Capabilities
Septic System Design (I/A OWTS)
Design of onsite sanitary systems for residential and commercial properties, covering Innovative and Alternative Onsite Wastewater Treatment Systems (I/A OWTS) and conventional systems. Includes professional engineering certifications for existing system evaluations.
Wastewater Pump Stations
Design of wastewater pump stations for sites with constraints or low-pressurized sewer systems, including regulatory package preparation.
- Pump Station Reports & Calculations
Preparation of custom hydraulic calculations and engineering reports.
- Engineering Plans for Regulatory Submission
Development of site plans for Suffolk County and local agency approvals.
Sanitary Evaluation & Feasibility
Due diligence for commercial properties to evaluate allowable sanitary flow, certify existing system adequacy, and determine future development alternatives.
- Preliminary Site Layout Plans
Drafting of conceptual layouts to ensure code-compliant onsite system fit.
Grading and Drainage Plans
Preparation of grading and drainage designs for residential and commercial sites to evaluate topography and prevent runoff issues.
- Stormwater Storage Capacity Calculations
Sizing infiltration and containment systems for storm events.
- Stormwater Collection & Infiltration Design
Designing functional catch basins, drywells, and piping to drain sites efficiently.
Stormwater Pollution Prevention Plans (SWPPP)
Preparation of Erosion and Sediment Control Plans and SWPPP reports in accordance with NYSDEC requirements.
- Water Quality & Quantity Calculations
Runoff flow rate modeling for 10-year and 100-year storm events.
- Certified SWPPP Inspections
Field inspections throughout active construction phases.
Wetlands Permitting
Preparation of tidal and freshwater wetlands permit application packages for submission to the NYSDEC.
- Wetlands Buffer Area Mapping
Drafting site plans clearly showing restricted buffer zones.
- Photo Logs & Application Forms
Compiling supportive photographic and administrative documentation.
Site Planning and Realty Subdivisions
Preparation of site plans and subdivision plans showing proposed land division and buildable lots in compliance with Town and County requirements.
Water Service and RPZ Designs
Design of Reduced Pressure Zone (RPZ) backflow prevention devices for new or existing water service connections to safeguard the public water supply.
Industries
Residential · Commercial · Land Development · Stormwater & Flood Control · Water Supply · Wastewater
Projects
No projects listed yet.