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(b) Non-residential wastewater loading: For Explanation: This article updates the requirements }` commercial and industrial developments, and specifications of the Water Quality Report by-law, nitrogen and phosphorus calculations which was adopted in the late 1980s, to reflect water. 'll shall be derived from expected wastewater shed mapping, target nitrogen loads, standards and `. generation as specified by Title V of MGL specifications developed as part of the Massachusetts 'i C. 21A, §13. Estuaries Project and other recent studies. (c) Loading from lawn fertilizer: 1.08 pounds The Board of Selectmen recommends approval. nitrogen and 0.0069 pound phosphorous per one thousand (1,000) square feet per year, The Finance Committee recommends approval by with 5000 sq.ft. average lawn size assumed a vote of 4-0. per lot in a single-family subdivision. Planning Board voted at a Public Hearing held on (d) Loading from stormwater: 1.5 mg/1 nitro- September 20, 2006 5-0 to recommend approval. gen for road runoff, 0.75 mg/1 for roof j runoff and 0.072 mg/l for natural areas; Motion made to dispense with reading of article. nine-hundredths (0.09) pound nitrogen per road mile per day; 0.00048 pound Motion to dispense with reading of article passes at phosphorus per road mile per day. 8:16 PM. (5) The existing condition of the receiving water Motion made by Selectman Theresa Cook. body or water supply (existing or proposed),including physical characteristics and water chemistry. Data Motion: I move Article 27 be voted as printed in the may be derived from the Massachusetts Estuaries warrant, except that Subsection B.(4)(d) should read Project final reports referenced in Section B.(1)d. as follows: I above and associated reports, or on more recent data acceptable to the Planning Board. Any new measure- "(d) Loading from stormwater: 1.5 mg/1 nitrogen for 1 ment of existing surface water quality must include road runoff, 0.75 mg/l for roof runoff and 0.072 mil sampling during summer (peak population) condi- for natural areas,or alternately,nine-hundredths(0.09) t tions. Measurements shall specifically include con- pound nitrogen per road mile per day. Phosphorous r centrations of nitrate and sodium in public water sup- 0.00048 pound per road mile per day. ply wells, phosphorus in freshwater bodies and total t " And except for the phrase "or take an nitrogen m saltwater bodies. p p Y other action relating thereto". Replace the current wording of Subsection B.(7) with t L� P g the following: Motion passes unanimously at 8:17 PM ' � j r "(7) The comparison, on a total kilograms and a Article 28 kilograms per-acre basis, of the total nitrogen loading 1 from the proposed development with the TMDL (total To see if the Town will vote to amend the Zoning By- ' maximum daily load) target nitrogen loading estab- law by amending footnote 14 of the Section 174-31 lished for the sub-watershed in which the project is Land Space Requirements Table by adding the follow- 1 located by the Massachusetts Department of ing new sentence: "Said buffer may be waived,as pad Environmental Protection" of a special permit decision, where the special permit p p t NJ s granting authority determines that such buffer would Delete Subsection B.(8), renumber the existing be inappropriate for the area and where there is writ Subsection B.(9)to become B.(8),and insert the words ten agreement to said waiver by the abutting property ( "pairs of before the words "test wells" in the second owner." c dl sentence of Subsection B.(9), a or take any other action relating thereto. z or take any other action relating thereto. Submitted by Planning Board s Submitted by Planning Board 88 i