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The Phase II rule required that all municipalities, construction sites of 1 acre (4,000 m 2) or more, and other large property owners (such as school districts) have NPDES permits for their stormwater discharges. EPA published the Phase II regulation in 1999. [32] Map of municipal separate storm sewer systems. About 855 Phase I MS4s and 6,695 ...
The New York State Department of Environmental Conservation (informally referred to as NYSDEC, DEC, EnCon or NYSENCON) is a department of New York state government. [4] The department guides and regulates the conservation, improvement, and protection of New York's natural resources; manages Forest Preserve lands in the Adirondack and Catskill parks, state forest lands, and wildlife management ...
NYCDEP manages three upstate supply systems to provide the city's drinking water: the Croton system, the Catskill system, and the Delaware system. The overall distribution system has a storage capacity of 550 billion US gallons (2.1 × 10 9 m 3) and provides over 1 billion US gallons (3,800,000 m 3) per day of water to more than eight million city residents and another one million users in ...
The other states have developed their own state-specific industrial stormwater permits (e.g. California's Industrial General Permit). [8] State-issued general permits often include the same requirements as EPA's permit, but some states have additional requirements. [6] A silt fence is a type of sediment control used on construction sites.
New York City Department of Design and Construction is the department of the government of New York City [2] that builds many of the civic facilities in New York City.As the city’s primary capital construction project manager, it provides new or renovated facilities such as firehouses, libraries, police precincts, courthouses and manage the city's sewer systems, bioswales and water mains.
A concept that began in Prince George's County, Maryland in 1990, LID began as an alternative to traditional stormwater best management practices (BMPs) installed at construction projects. [6] Officials found that the traditional practices such as detention ponds and retention basins were not cost-effective and the results did not meet water ...
The Stormwater Pollution Prevention Plan, often abbreviated as SWPPP or SW3P, is a plan created by constructors to show their plans for sediment and erosion control. [1] Typically these plans are part of an overall design that details procedures to be followed during various phases of construction.
Facilities that apply for a permit must specify the number of outfalls at the site. According to the EPA's Multi-Sector General Permit For Stormwater Discharges Associated With Industrial Activity , outfalls are locations where the stormwater exits the facility, including pipes, ditches, swales, and other structures that transport stormwater.