one: an introductory document and nine guidance sheets, which may be printed out altogether or separately. They are: Introductory Document, 4 pg. Dripline Trench, 1 pg. Drywells, 1 pg. Infiltration Steps - New, 2 pg. Infiltration Steps - Retrofit, 1 pg. Infiltration Trench, 1 pg. Paths & Walkways, 1 pg. Rain Barrels, 1 pg. Rain Gardens, 1 pg. Water Bars, 2 pg. How Does Stormwater Runoff Affect Surface Waters? Alteration of Terrain Permits The Alteration of Terrain (AoT) permit protects New Hampshire…
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