[Ord. No. 2023-1, 1/11/2023]
1.
Any drain or conveyance, whether on the surface or subsurface, that allows any nonstormwater discharge, including sewage, process wastewater, and wash water, to enter into a regulated small MS4 or the waters of this commonwealth is prohibited.
2.
No person shall allow, or cause to allow, discharges into surface waters of this commonwealth which are not composed entirely of stormwater, except: 1) as provided in Subsection 3 below; and 2) discharges allowed under a state or federal permit.
3.
The following discharges are authorized unless they are determined to be significant contributors to pollution to the regulated small MS4 or waters of this commonwealth:
A.
Discharges or flows from firefighting activities.
B.
Discharges from potable water sources including waterline flushing and fire hydrant flushing, if such discharges do not contain detectable concentrations of total residual chlorine (TRC).
C.
Noncontaminated irrigation water, water from lawn maintenance, landscape drainage and flows from riparian habitats and wetlands.
D.
Diverted stream flows and springs.
E.
Noncontaminated pumped groundwater and water from foundation and footing drains and crawl space pumps.
F.
Noncontaminated HVAC condensation and water from geothermal systems.
G.
Noncontaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC.