Section 1. new text begin STRUCTURAL PRACTICES FOR CONTROLLING STORMWATER
RUNOFF; PERMEABLE SYNTHETIC TURF.
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new text begin (a) Installing permeable synthetic turf is a structural practice that can be as effective as
installing permeable pavement for managing stormwater runoff. The commissioner of the
Pollution Control Agency must include using permeable synthetic turf that meets the
requirements in paragraph (b) when describing best management practices to control
stormwater runoff in the Minnesota Stormwater Manual.
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new text begin (b) Permeable synthetic turf used to control stormwater runoff must:
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new text begin (1) be fully permeable at a minimum rate of 25 inches of liquid per hour;
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new text begin (2) pass the pill flammability test according to ASTM D2859-16 (2021), Standard Test
Method for Ignition Characteristics of Finished Textile Floor Covering Materials;
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new text begin (3) contain no perfluoroalkyl and polyfluoroalkyl substances (PFAS), as defined under
Minnesota Statutes, section 116.943; and
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new text begin (4) be manufactured:
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new text begin (i) to replicate natural turf for outdoor use;
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new text begin (ii) with ultraviolet stabilization and drainable backings;
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new text begin (iii) to be installed over aggregate bases in all types of climates; and
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new text begin (iv) in the United States.
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new text begin (c) Indoor/outdoor carpeting intended to be installed over concrete, such as on patios,
is not permeable synthetic turf and must not be used to control stormwater runoff.
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