and Gravel Wash Process Plant. The White Mountain Apache Tribe (WMAT) Water Resources Program has received your request for Clean Water Act (CWA) §401 water quality certifiion for White Mountain Apache Tribe Public Works Department to operate Canyon Day Sand and Gravel Wash Process Plant – NPDES Permit AZ.
Painting Wood Siding Photo 1: Pressure wash to remove dirt. Pressure washing removes loose paint and builtup grime and improves paint adhesion. Use the high pressure carefully, especially around windows. Highpressure water can break the glass. Avoid directing water up under the laps, and keep the nozzle at least 16 in. away from the wood.