A. 
No person in the municipality shall allow, or cause to allow, stormwater discharges into the municipality's separate storm sewer system which are not composed entirely of stormwater, except:
(1) 
As provided in Subsection B of this section; and
(2) 
Discharges allowed under a state or federal permit.
B. 
The following discharges are authorized unless they are determined to be significant contributors to pollution 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 groundwater 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.
C. 
In the event that the municipality or DEP determines that any of the discharges identified in Subsection B of this section significantly contribute to pollutants to a regulated small MS4 or to the of waters of this commonwealth, the municipality or DEP will notify the responsible person to cease the discharge.
D. 
Upon notice by the municipality under Subsection C of this section, the discharger will have a reasonable time, as determined by the municipality, to cease the discharge consistent with the degree of pollution caused by the discharge.
E. 
Nothing in this section shall affect a discharger's responsibility under state law.
A. 
Roof drains shall not be connected to streets, sanitary or storm sewers, or roadside ditches in order to promote overland flow and infiltration/percolation of stormwater where advantageous to do so.
B. 
When it is more advantageous to connect directly to streets or storm sewers, connections of roof drains to streets or roadside ditches may be permitted on a case-by-case basis as determined by the municipality.
C. 
Roof drains and sump pumps shall discharge to infiltration areas or vegetative BMPs wherever feasibile.
A. 
No person shall modify, remove, fill, landscape, or alter any existing stormwater control or BMP, unless it is part of an approved maintenance program, without the written approval of the municipality.
B. 
No person shall place any structure, fill, landscaping or vegetation into a stormwater control or BMP within a drainage easement, which would limit or alter the functioning of the stormwater control or the BMP, without the written approval of the municipality.
A. 
The following connections are prohibited, except as provided in § 370-45B:
(1) 
Any drain or conveyance, whether on the surface or subsurface, which 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.
(2) 
Any drain or conveyance connected from a commercial or industrial land use to the separate storm sewer system, which has not been documented in plans, maps, or equivalent records, and approved by the municipality.