A.
Any drain or conveyance, whether on the surface or subsurface, that
allows any nonstormwater discharge, including sewage, process wastewater,
and wash water, to enter a regulated small MS4 or to enter the surface
waters of this commonwealth is prohibited.
B.
No person shall allow, or cause to allow, discharges into a regulated small MS4, or discharges into waters of this commonwealth, which are not composed entirely of stormwater, except 1) as provided in § 125-701C; and 2) discharges authorized under a state or federal permit.
C.
The following discharges are authorized, unless they are determined
to be significant contributors to pollution to a regulated small MS4
or to the waters of this commonwealth:
(1)
Discharges or flows 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)
Noncontaminated irrigation water, water from lawn maintenance,
landscape drainage and flows from riparian habitats and wetlands.
(4)
Diverted stream flows and springs.
(5)
Noncontaminated pumped ground water and water from foundation
and footing drains and crawl space pumps.
(6)
Noncontaminated HVAC condensation and water from geothermal
systems.
(7)
Residential (i.e., not commercial) vehicle wash water where
cleaning agents are not utilized.
(8)
Noncontaminated hydrostatic test water discharges, if such discharges
do not contain detectable concentrations of TRC.
Roof drains and sump pumps shall discharge to infiltration or
vegetative BMPs wherever feasible.
No person shall modify, remove, fill, landscape, or alter any
SWM BMPs, facilities, areas, or structures that were installed as
a requirement of this chapter without the written approval of the
municipality.
