Search results
Results from the WOW.Com Content Network
The update history of SWMM 5 from the original SWMM 5.0.001 to the current version SWMM 5.2.3 can be found at the EPA website. SWMM 5 was approved FEMA Model Approval Page in May 2005, [ 16 ] with a note about the versions that are approved on the FEMA Approval Page SWMM 5 Version 5.0.005 (May 2005) and up for NFIP modeling.
EPANET (Environmental Protection Agency Network Evaluation Tool) is a public domain, water distribution system modeling software package developed by the United States Environmental Protection Agency's (EPA) Water Supply and Water Resources Division.
HELP v4.0 – Microsoft Excel-based version developed by EPA ORD's Center for Environmental Solutions and Emergency Management, HELP 4 user manual and further documentation for HELP v3.0 [1] Commercial versions: Visual HELP – based on the HELP version 3.07, offers a Microsoft Windows GUI to view and edit soil profiles and to generate weather ...
EPA has authorized 47 states to issue NPDES permits. [25] In addition to implementing the NPDES requirements, many states and local governments have enacted their own stormwater management laws and ordinances, and some have published stormwater treatment design manuals.
Development continues to create an arbitrary shape culvert solver that links to a 1D piped network model such as SWMM. ANUGA is stable even in extreme flow with high Froude numbers. An example of this is the 1928 St Francis Dam Break in California that resulted in extreme flow velocities and complex waves in a tortuous valley.
Stormwater permit regulations issued by the United States Environmental Protection Agency (EPA) govern the permit process. [4] EPA published its "Phase I" stormwater rule, which covers industrial dischargers, in 1990. [5] Most stormwater permits in the U.S. are issued by the agencies in 47 states that have been given authority by EPA.
The United States Environmental Protection Agency (EPA) issues Effluent Guideline regulations for categories of industrial sources of water pollution under Title III of the Clean Water Act (CWA). [1] The standards are technology-based, i.e. they are based on the performance of treatment and control technologies (e.g., Best Available Technology ...
The CompTox Chemicals Dashboard is a freely accessible online database created and maintained by the U.S. Environmental Protection Agency (EPA). The database provides access to multiple types of data including physicochemical properties, environmental fate and transport, exposure, usage, in vivo toxicity, and in vitro bioassay.