[Ord. 1-2012, 9/19/2012, § 801; as amended by Ord. No. 3-2022, 9/21/2022]
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 Township's separate storm sewer system, riparian buffers, wetlands, or other waters of this commonwealth is prohibited.
2. 
No person shall allow, or cause to allow, stormwater discharges into Thornbury Township's separate storm sewer system that are not composed entirely of stormwater, except as provided in Subsection 3 below, 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 waters of the commonwealth:
A. 
Discharges from firefighting activities;
B. 
Potable water sources, including water line and fire hydrant flushings, if such discharges do not contain detectable concentrations of total residual chlorine (TRC);
C. 
Noncontaminated irrigation drainage water;
D. 
Routine external building washdown (which does not use detergents or other compounds);
E. 
Noncontaminated HVAC condensation and water from geothermal systems;
F. 
Residential (i.e., not commercial) vehicle wash water where agents are not utilized;
G. 
Springs and water from crawl space pumps;
H. 
Uncontaminated water from foundation or from footing drains;
I. 
Flows from riparian habitats and wetlands;
J. 
Lawn watering;
K. 
Pavement washwaters where spills or leaks of toxic or hazardous materials have not occurred (unless all spill material has been removed) and where detergents are not used;
L. 
Uncontaminated groundwater;
M. 
Noncontaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC; and
N. 
Diverted stream flows.
4. 
In the event that Thornbury Township determines that any of the discharges identified in Subsection 3 significantly contribute to pollution of waters of the commonwealth, or is so notified by PADEP, Thornbury Township will notify the responsible person to cease the discharge.
5. 
Upon notice provided by Thornbury Township under Subsection 4, the discharger will have a reasonable time, as determined by Thornbury Township, to cease the discharge consistent with the degree of pollution caused by the discharge.
6. 
Nothing in this section shall affect a discharger's responsibilities under state law.
[Ord. 1-2012, 9/19/2012, § 802; as amended by Ord. No. 3-2022, 9/21/2022]
1. 
Any drain or conveyance, whether on the surface or subsurface, that allows any nonstormwater discharge, including sewage, process wastewater, wash water entering the separate storm sewer system, and any connections to the storm drain system from indoor drains and sinks. Any drain or conveyance that delivers nonstormwater discharges directly into wetlands, riparian buffers, or other waters of the commonwealth is prohibited.
2. 
All pet owners and keepers are required to immediately and properly dispose of their pet's solid waste deposited on any property, public or private, not owned or possessed by that person by putting it in a dog waste receptacle, bagging it and disposing in a trash can/receptacle, or flushing it to a sanitary sewer system or on-lot septic system.
3. 
Any owner or keeper who requires the use of a disability assistance animal shall be exempt from this requirement while such animal is being used for that purpose.
4. 
Any person(s) found to be in violation of these provisions of this chapter shall be subject to enforcement and penalties as specified under Article 9 of this chapter.
[Ord. 1-2012, 9/19/2012, § 803]
1. 
Roof drains and sump pumps shall not be connected to sanitary sewers.
2. 
Roof drains and sump pumps shall not be connected to streets, storm sewers, or roadside ditches except on a case by case basis as determined by the Township.
3. 
Roof drains and sump pumps shall discharge to infiltration areas or vegetative BMPs to the maximum extent practicable where advantageous to do so.
[Ord. 1-2012, 9/19/2012, § 801]
1. 
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 Township.
2. 
No person shall place any structure, fill, landscaping, or vegetation into a stormwater control or BMP or within a drainage easement that would limit or alter the functioning of the stormwater control or BMP without the written approval of the Township.