Revised Arizona Department of Environmental Quality (ADEQ) general permit for the discharge of stormwater from construction sites became effective. Requirements change substantially depending on the location of the project, if within ¼-mile of 1) an impaired water or 2) a listed unique water “Outstanding Arizona Water”, or OAW. For project sites located within this radius, significantly more stringent permit compliance requirements may apply which include submittal of SWPPP with NOI, and extended waiting period for permit coverage, prohibitions on non-stormwater discharge and post-construction discharges, additional inspection, stormwater monitoring