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 storm drain systems owned and/or operated by the City of Lock Haven or to enter the surface waters of the commonwealth, is prohibited.
B. 
No person shall allow, or cause to allow, discharges to storm drain systems owned and/or operated by the City of Lock Haven, or discharges into waters of the commonwealth, which are not composed entirely of stormwater, except:
(1) 
As provided in Subsection C below; 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:
(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) external building washdown and pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred and where cleaning agents, detergents or other compounds are not utilized.
(8) 
Individual residential car washing.
(9) 
Noncontaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC.
D. 
In the event that the municipality or DEP determines that any of the discharges identified in Subsection C significantly contribute pollutants to the waters of the commonwealth, the municipality or DEP will notify the responsible person(s) to cease the discharge.
Roof drains and sump pumps shall discharge to infiltration or vegetative BMPs wherever feasible to promote overland flow and infiltration/percolation of stormwater. Roof drains and sump pump discharges shall not be connected to streets, curbs, storm drains, or roadside ditches unless approved by the municipality on a case-by-case basis.
No person shall modify, remove, fill, landscape, or alter any SWM BMP, facilities, areas, or structures that were installed as a requirement of this article without the express written approval of the municipality or approval of a revised SWM site plan.