MDEQ ⟩ Permits ⟩ Environmental Permits Division ⟩ About EPD ⟩ Branches Branches There are 7 branches of the Environmental Permits Division. Click the links below to learn about each one. Stormwater and 401 Water QualityAir IAir IIMunicipal and Domestic FacilitiesSupportWater IWater II Branches Back Air I Air II Municipal and Domestic Facilities Stormwater and 401 Water Quality Support Water 1 Water 2 MDEQ ON FACEBOOK MDEQ