Article 8
Prohibitions
§11A-801 Prohibited Discharges and Connections.
1. Any drain or conveyance, whether on the surface or subsurface, that allows any nonstormwater discharge including, but not limited to, sewage, process wastewater and wash water to enter the regulated municipal separate storm sewer system (MS4) or to enter the waters of this Commonwealth is prohibited.
2. No person shall allow, or cause to allow, discharges into the regulated MS4, or discharges into waters of this Commonwealth, which are not composed entirely of stormwater, except as provided in subsection (3) of this Section and 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 MS4 or to the waters of the Commonwealth:
A. Discharges or flows from firefighting activities.
B. 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).
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 ground water and water from foundation and footing drains and crawl space pumps.
F. Noncontaminated HVAC condensation and water from geothermal systems.
G. Residential (i.e., not commercial) vehicle wash water where cleaning agents are not utilized.
H. Noncontaminated hydrostatic test water discharges if such discharges do not contain detectable concentrations of TRC.
4. In the event that the Borough or DEP determines that any of the discharges identified in subsection (3) of this Section significantly contribute pollutants to the regulated MS4 or to the waters of the Commonwealth, the Borough, or DEP will notify the responsible person(s) to cease the discharge.
(Ord. 2022-3, 9/12/2022, §1)
§11A-802 Roof Drains and Sump Pumps.
For new construction, roof drains and sump pumps shall not connect directly to streets, sanitary or storm sewers or roadside ditches in order to promote overland flow and infiltration/percolation of stormwater. When it is not practical for roof drains and sump pumps to discharge to vegetative areas or infiltration BMPs, the Borough may permit roof drain and sump pump connections to streets, storm sewers or roadside ditches on a case-by-case basis upon recommendation by the Borough Engineer.
(Ord. 2022-3, 9/12/2022, §1)
§11A-803 Alteration of SWM BMPs.
No person shall modify, remove, fill, landscape, or alter any SWM BMPs, facilities, areas, or structures without the written approval of Cornwall Borough, the conservation district, and DEP (if DEP permit(s) applies).
(Ord. 2022-3, 9/12/2022, §1)