[Ord. No. 416, 9/29/2022]
1. 
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.
2. 
No person in Plainfield Township 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 as provided in Subsection 3 below or as allowed under a state or federal permit.
3. 
The following discharges are authorized unless they are determined to be significant contributors to pollution of a regulated small MS4 or to the waters of this 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. 
Noncontaminated HVAC condensation and water from geothermal systems.
E. 
Residential (i.e., not commercial) vehicle wash water where cleaning agents are not utilized.
F. 
Diverted stream flows and springs.
G. 
Noncontaminated pumped groundwater and water from foundation and footing drains and crawl space pumps.
H. 
Noncontaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC.
4. 
In the event that Plainfield Township or DEP determines that any of the discharges identified in Subsection 3 significantly contribute pollutants to a regulated small MS4 or waters of this commonwealth, the Township or DEP will notify the responsible person(s) to cease the discharge.
5. 
Nothing in this chapter shall affect a discharger's responsibilities under state law.
[Ord. No. 416, 9/29/2022]
1. 
The following connections are prohibited, except as provided in § 23-801, Subsection 3, above:
A. 
Any drain or conveyance, whether on the surface or subsurface, which allows any nonstormwater discharge including sewage, process wastewater and wash water to enter the separate storm sewer system and any connections to the storm drain system from indoor drains and sinks.
B. 
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 Township.
[Ord. No. 416, 9/29/2022]
1. 
Roof drains and sump pumps shall not be connected to streets, sanitary or storm sewers or roadside ditches, except as provided in Subsection 2.
2. 
In the interest of public safety or when it is more advantageous to connect directly to streets or storm sewers, connections of roof drains and/or sump pumps to streets or roadside ditches may be permitted by Plainfield Township.
3. 
Roof drains and sump pumps shall discharge to infiltration or vegetative BMPs wherever feasible.
[Ord. No. 416, 9/29/2022]
1. 
No person shall modify, remove, fill, landscape or alter any stormwater BMPs, facilities, areas, or structures that were installed as a requirement of this chapter without the written approval of Plainfield Township unless it is part of an approved maintenance program.
2. 
No person shall place any structure, fill, landscaping or vegetation into a stormwater BMP or within a drainage easement, which would limit or alter the functioning of the BMP, without the written approval of Plainfield Township.