DEP Position on Pressure Washing

DEP’s Position on Pressure Washing
as of Tue 10/5/2010 11:13 AM
Ted, Below is DEP's position regarding vessel
pressure washing discharges to the ground. I
would also note that only activities that are
deemed a water dependent use are being
considered within the context of the language
"At this time the Department already has a general permit that,
provided all applicable terms and conditions of the general are met,
would authorize vessel pressure washing discharges to the municipal
sanitary sewer system either directly by an available municipal sewer
service connection, or by transportation to an approved municipal
sewage treatment plant by an appropriately licensed hauler.
Alternatively, the discharge may be collected and transported by an
appropriately licensed hauler to a permitted waste disposal facility.
More information regarding these management options can be found
on the Department's website at:
and at the link under the heading, "Important Information for Facilities
Conducting Vessel Bottom Pressure Washing"
Aside from the aforementioned general permit mechanism and wastewater
management options, the Department is otherwise only evaluating whether to
authorize vessel pressure washing discharges to the ground in areas of the state
and under circumstances that meet all of the following criteria:
(1) no municipal sewer service is available in the area;
(2) the ground water in the area is neither currently nor planned for use as a
potable water supply;
(3) the area is served by a public water supply;
(4) the area is located within the "coastal boundary", as that term is defined in
Section 22a-94(b) of the CT General Statutes; and
(5) only vessel hulls not treated with any marine antifouling paints or vessel hulls
treated with environmentally preferable marine antifouling paints be allowed to
be located, operated, serviced and maintained at the facility. The Department
considers environmentally preferable marine antifouling paints to be paints that
do not contain lead, tin or copper, and do not contain any other substances which
may be discharged at concentrations deemed by the Commissioner to cause
pollution to the waters of the state.
At this time, December 31, 2010 is the extension of time that Connecticut
marinas and boatyards were provided to comply with state and federal laws.
After December 2010, marinas and boatyards can either cease the pressure
washing activity, or comply with one of wastewater management alternatives
described above and at the noted website address."
Oswald Inglese, Jr., Director
Water Permitting and Enforcement Division Bureau of Materials Management
& Compliance Assurance CT Department of Environmental Protection
79 Elm Street, Hartford, CT 06106-5127
Tel: (860) 424-3725
Facsimile: (860) 424-4060

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