[Ord. No. 337, 5/15/2024]
(a)
Any drain or conveyance, whether on the surface or subsurface, which allows any non-stormwater discharge, including sewage, process wastewater, and wash water, to enter the waters of this commonwealth is prohibited.
(b)
No person shall allow, or cause to allow, discharges into a regulated small MS4, or discharges into surface waters of this commonwealth which are not composed entirely of stormwater, except 1) as provided in Subsection (c) below, and 2) discharges allowed under a state or federal permit.
(c)
The following discharges are authorized unless they are determined to be significant contributors to pollution of a regulated small MS4 or to the waters of this commonwealth:
(1)
Discharges from firefighting activities.
(2)
Discharges from potable water sources, including water line flushing and fire hydrant flushing, if such discharges do not contain detectable concentrations of total residual chlorine (TRC).
(3)
Non-contaminated irrigation water.
(4)
Non-contaminated HVAC condensation and water from geothermal systems.
(5)
Diverted stream flows and springs.
(6)
Non-contaminated water from crawl space pumps.
(7)
Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (unless all spill material has been removed) and where detergents are not used.
(8)
Non-contaminated flows from riparian habitats and wetlands.
(9)
Non-contaminated water from foundations or from footing drains.
(10)
Non-contaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC.
(11)
Non-contaminated water from lawn maintenance or landscape drainage.
(12)
Dechlorinated swimming pool discharges.
(13)
Non-contaminated pumped groundwater.
(14)
Water from individual residential (i.e., not commercial) vehicle wash water where cleaning agents are not utilized.
(15)
Routine external building wash down (which does not use detergents or other compounds).