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An outfall is the discharge point of a waste stream into a body of water; alternatively it may be the outlet of a river, drain or a sewer where it discharges into the sea, a lake or the like. In the...

Pages - MS4 Storm Water Outfall Inventory Manual


This inventory involves identifying and mapping storm wateroutfalls” – every point where a conveyance of ODOT's storm water system discharges into streams , ...

40 CFR 122.26 - Storm water discharges (applicable to State ...


Jul 1, 2015 ... For storm water discharges associated with industrial activity from point .... (6) Major outfall means a major municipal separate storm sewer outfall. .... of coal mining operations no longer meeting the definition of a reclamation ...

Municipal Stormwater Permits-Revised definitions explained


Aug 14, 2014 ... Municipal Stormwater Permit -2014 Modification ... The definition of outfall used in the permits cannot be based entirely on the federal definition ...

NPDES MS4 Stormwater Definitions | MassDEP - Mass.Gov


Outfall means a point source as defined by 40 CFR 122.2 at the point where a ... of this definition, the term includes, but is not limited to, storm water discharges ...

Response to Comments - Epa - US Environmental Protection Agency

yosemite.epa.gov/r10/water.nsf/NPDES Permits/MS4 requirements - Region 10/$FILE/ATTMIP62/IDS028070 RtC.pdf

Mar 14, 2007 ... In the preamble to the Phase II stormwater regulations, EPA .... Response: EPA regulations defineoutfall” and “point source” at 40 CFR ...

Industrial Stormwater Monitoring And Sampling Guide (EPA)


name the different outfalls according to where the stormwater is being ... However , if your facility is small and relatively flat, the best way to define the drainage.

MS4 Outfall & BMP Mapping Using GIS


MCM#3 BMP: Map all outfalls and receiving ... Outfall -A point source as defined by 40 CFR 122.2 at the point .... stormwater runoff and protecting water quality.

Outfall | Define Outfall at Dictionary.com


Outfall definition, the outlet or place of discharge of a river, drain, sewer, etc. See more.

Stormwater glossary of terms and abbreviations - King County


Feb 5, 2016 ... Stormwater Services and Information for King County, Washington ..... Outfall. A point where collected and concentrated surface and storm ...

Stormwater Outfall | Define Stormwater Outfall at Dictionary.com
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methodology for the identification and survey of stormwater outfalls ...


will be used to develop a system map of stormwater outfalls and receiving ... highway drainage ditches will not normally be included in this definition even if.

Outfall Stream Mapping and Screening Project Protocol Manual


The Butler County Storm Water District (BCSWD) has obtained coverage under Ohio ... The definition of an outfall for this Manual will be any discharge point to a.

Definition Guidance


stormwater conveyance. Discharge. Point. Ground. TO: Ground through incidental infiltration or. Dispersion BMP. Outfall. Receiving Waters. Outfall. Figure 1: ...