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 the waters of the commonwealth is prohibited.
B. 
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 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 to the waters of the commonwealth:
(1) 
Discharges from firefighting activities;
(2) 
Potable water sources, including waterline flushing;
(3) 
Irrigation drainage;
(4) 
Air-conditioning condensate;
(5) 
Springs;
(6) 
Water from crawl space pumps;
(7) 
Flows from riparian habitats and wetlands;
(8) 
Uncontaminated water from foundations or from footing drains;
(9) 
Lawn watering;
(10) 
Dechlorinated swimming pool discharges [per Department of Environmental Protection (PA DEP) requirements];
(11) 
Uncontaminated groundwater;
(12) 
Water from individual residential car washing; and/or
(13) 
Routine external building washdown (which does not use detergents or other compounds).
D. 
In the event that the municipality or PA DEP determines that any of the discharges identified in Subsection C significantly contribute to pollution of the waters of this commonwealth, the municipality or PA DEP will notify the responsible person(s) to cease the discharge.
Roof drains and sump pumps shall discharge to infiltration or vegetative BMPs and, to the maximum extent practicable, satisfy the criteria for disconnected impervious areas (DIAs).
A. 
No person shall modify, remove, fill, landscape or alter any stormwater management (SWM) best management practices (BMPs) facilities, areas or structures unless it is part of an approved maintenance program, and written approval of the municipality has been obtained.
B. 
No person shall place any structure, fill, landscaping or vegetation into a stormwater facility or BMP or within a drainage easement which would limit or alter the functioning of the stormwater facility or BMP, without the written approval of the municipality.