Elite Pressure Wash exceeds the CWA standards.

The Clean Water Act (CWA) is the principle law governing pollution control and water quality of the US's waterways. The objective of this Act is to restore and maintain the chemical, physical and biological integrity of the Nation's waters (33 U.S.C. 1251).
The part of the Act that facility and property managers are responsible for and must manage the risk of is the penalty section.

"On March 15, 2004, the Clean Water Act civil administrative penalties were increased to $32,500. for Class I penalties and $157,000 for Class II penalties. The maximum administrative penalty per violation remains at $11,000 per day" (U.S. Environmental Protection Agency website)