Town of Trappe, P.O.
Box 162, Trappe, Maryland 21673 and Trappe East Holding Business Trust, 1960
Gallows Road, Suite 300, Vienna, VA 22182 submitted an application for a permit
to discharge an average of 540,000 gallons per day of treated domestic wastewater
from the Trappe East Wastewater Treatment Facility, located at East End of
Backdown Road, Trappe, Maryland, to groundwater via a spray irrigation
The Department has
reached a tentative determination to issue the permit with the following
limitations and conditions: (1) BOD5: 10 mg/l (monthly average); (2) suspended
solids: 10 mg/l (monthly average);(3) total nitrogen: 3 mg/l (monthly average);
(4) total phosphorus: 0.3 mg/l (monthly average) ;(5) fecal Coliform < 3
MPN/100 ml (monthly geometric mean) and (5) Ultimate permitted flow: 540,000
gal/day (yearly average). Approval of the permitted flow to 540,000 gpd is
divided into five separate phases. Currently the permittee is at phase I.A and
is authorized to discharge 37,500 gpd of flow.
conditions are also a part of this permit: 1) The Permittee shall monitor
groundwater quality via 12 monitoring wells; 2) The Permittee shall monitor
surface water quality via 3 sampling stations installed at tributaries of Mile
Creek; 3) The wastewater treatment plant and spray irrigation system shall be
monitored by a certified operator and 4) A storage pond with a volume of no
less than 75 days of the permitted daily average wastewater flow shall be
provided. 5) The permittee shall operate the spray irrigation system in
conformance with the approved nutrient management plan.
A Virtual Public Hearing is scheduled to be held on Wednesday, September 8, 2021, at 5:00 p.m. You will need to register in advance to attend. Please CLICK HERE and complete the Google Form. Then, follow the GoToWebinar link provided on the confirmation page to complete the registration on the GoToWebinar website. You are not registered for the event until you receive your GoToWebinar login information.
Attn.: Mary Dela Onyemaechi, Chief, Groundwater Discharge Permits DivisionMaryland Department of the EnvironmentWater and Science Administration1800 Washington Blvd.Baltimore, Maryland 21230-1708Any
hearing-impaired person may request an interpreter at
the hearing by contacting Mrs. Onyemaechi at (410) 537-3662 or 1-800-633-6101, or by written request to the above address
at least ten working days prior to the scheduled hearing date.
The draft permit and supplemental documents can be found in the links below:
1800 Washington Boulevard, Baltimore, MD 21230