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SJL Wetlands, LLC P.O. Box 47 Warsaw, NY 14569 716-912-7965 PROPOSAL P00426 January 9, 2026 Jason Keding Town of Boston Supervisor 8500 Boston State Road Boston, NY 14025 716-941-6518 [email protected] Re: Field Wetland Delineation, ± 35 acres (4.38 miles) Total investigation (including desktop evaluation), 141± acres Town of Boston Phase 2 Water Project Town of Boston, Erie County, New York Dear Supervisor Keding, Task 1: At your request, SJL Wetlands, LLC is submitting this proposal for a wetland and stream delineation for the site identified above in the Town of Boston, New York. The wetland/stream delineation will be performed in accordance with the currently applicable Corps of Engineers Wetland Delineation Manual (1987) and Northcentral and Northeast Regional Supplement to the Corps of Engineers Wetland Delineation Manual (Version 2.0 - January 2012) as well as the NYSDEC Freshwater Wetlands Delineation Manual (July 1995). This report will include the location and acreage of wetlands within the investigation area (Including location of individual wetland flags) and characterization of any streams (e.g. perennial, intermittent or ephemeral) as required by the regulatory agencies. The report will also offer an opinion of jurisdiction by the U.S. Army Corps of Engineers (USACE) (federal wetlands) and/or New York State Department of Environmental Conservation (NYSDEC) (state wetlands) for the identified wetlands and streams. This price includes the survey of the delineated wetlands including wetland delineation flags and streams/drainage features by a licensed land surveyor. The field investigation limits include the areas within the public right-of-way on both sides of the road as depicted on the attached map prepared by CPL dated 5/5/2025. A desktop review of the extension of these wetlands on the adjacent properties will extend a minimum of 100 feet from the limits of the public right-of-way in order to estimate the approximate limits of NYSDEC regulated upland adjacent area which may extend into the project area from wetlands located on private properties. The deliverable will include the detailed wetland delineation report in .pdf format as well as .shp files of the identified wetlands and streams. Based on the current Part 664 regulations, NYSDEC generally regulates a 100-foot upland adjacent area to any NYSDEC regulated Article 24 wetland; in the cases of productive vernal pools and nutrient poor wetlands, this adjacent area may be extended beyond 100 feet but it is not anticipated these scenarios exist within this project area. The desktop review of the 100-foot extension beyond the public right-of-way will be completed using aerial imagery, field observations and other resource mapping. This evaluation will be approximate since these areas are not permitted for access. Note that much of the investigation area falls within an “urban area” as defined by the US Census Bureau and NYSDEC. Attached is an approximate overlay of the investigation area and “Urban Area” map accessed through the NYS GIS Clearinghouse which NYSDEC is using as their source for the “urban area” designation, whereas per Part 664.6(b) of NYSDEC regulations that went into effect on January 1, 2025, there is no minimum size limit for wetlands to fall under NYSDEC Article 24 regulations. Page 1 of 3