A§ 174-3. Districts enumerated.

For the purpose of this chapter, the Town of Southborough is hereby divided into the following classes of districts:

A. Residence A Districts, which may be referred to as RA Districts.

B. Residence B Districts, referred to as RB Districts.

C. (Reserved)

D. Industrial Districts, referred to as ID Districts.

E. Industrial Park Districts, referred to as IP Districts.

F. Conservation Districts, referred to as C Districts.

G. Wetland and Floodplain Districts, referred to as WFP Districts.

H. Research, Scientific and Professional Districts, referred to as SP Districts.

I. Critical Resource Districts, referred to as CR Districts.

J. Business Village Districts, referred to as BV Districts.

K. Business Highway Districts, referred to as BH Districts.

L.. Wireless Communication Service Districts, referred to as WCS Districts.

§ 174-4. Zoning Map.

The location and boundaries of zoning districts are as shown on the Zoning Map of the Town of Southborough, dated April 9, 1984, as from time to time amended by votes of the Town Meeting, which map hereby is incorporated into and made a part of this chapter. The original Zoning Map, signed by the Planning Board and the Town Clerk, shall be in custody of the Town Clerk, and facsimile copies thereof shall be reproduced for distribution and sale with this chapter. Whenever the Zoning Map is amended, a notation of the Article and date of the town vote of such an amendment shall be entered on the Zoning Map as soon as possible upon approval of the amendment by the Attorney General, but any delay in showing the amendment shall not affect its validity. The addition of new streets or other geographic features to the Zoning Map to facilitate orientation may be undertaken from time to time without action by the town and without changing district boundaries. For the purpose of defining the boundaries of Wetland and Floodplain Districts, the following maps on file in the office of the Town Clerk are hereby specifically, by reference, incorporated into and made a part of this chapter and the Zoning Map: Profiles - Main Stem Upper Sudbury River, and all land shown thereon at or below the one-hundred-year flood elevation along or sloping toward Sudbury River between Westborough-Hopkinton and Ashland town lines is included in the WFP District, and Town of Southborough Natural Resources Map and all wetlands three (3) acres or larger shown thereon are included in the Wetlands and Floodplain District. For the purposes of defining the boundaries of the Conservation District, the map entitled "Planning Board, Town of Southborough, Worcester County, Massachusetts," dated 1964, James V. Sewall Company, Oldtown, Maine, is hereby, by reference, incorporated into and made a part of this chapter, and the Zoning Map, and all land shown on said map as green, shall be deemed to be in the Conservation District.

§ 174-5. Interpretation of Boundaries.

A. Where a right-of-way, street, railroad or watercourse is shown on the map as a district boundary, the center line thereof shall be the boundary line.

B. Where a district boundary is shown approximately parallel to a street, it shall be deemed parallel to the exterior street line and at such distance there from as indicated on the Zoning Map.

C. Where district boundary lines specifically follow property lines as indicated on the Zoning Map, the location of said lines shall be deemed to be established to coincide with those property lines as they existed at the time said boundary lines were adopted.

D. Where a district boundary line divides a lot existing at the time such line is adopted, the regulations relating to the less restricted portion of such lot may extend not more than thirty (30) feet into the more restricted portion, provided that the lot has frontage in the less restricted district, and further provided that this Subsection D shall not apply to the boundaries of Wetland and Floodplain Districts.