Work sinks shall discharge only as authorized by one of the following:

1. (a) A groundwater discharge permit obtained pursuant to Env-Wq 402;
2. (b) A discharge registration for a holding tank obtained pursuant to Env-Wq 402;
3. (c) An NPDES permit; or
4. (d) A local authorization to discharge to the local wastewater treatment facility.

Source. (See Revision Note at part heading for Env-Wq 401) #8786, eff 1-5-07; ss by #10828, eff 5-19-15; ss by #14345, eff 8-23-25, EXPIRES: 8-23-35