Jack Szczepanski NJ Watershed Institute Green Infrastructure Certification Specialties Photos conservation landscaping About Jack Szczepanski Princeton Hydro 35 Clark Street Trenton, New Jersey 08629 9082373481 jszczepanski@princetonhydro.com Summary of Services Years of Experience: 15 Do you work with homeowners?: Yes Certification Number: A-10013 Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API.