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Permit No. VA0088641
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part of the City of Newport News’ MS4 service area. This information shall be maintained and kept
up to date and made available when requested.
(c) The permittee shall maintain an outfall information table associated with the MS4 map that
includes the following information for each outfall or point of discharge for those cases in which
the permittee elects to map the known point of discharge in accordance with Part I.B.2.h)3)(a)(1).
The outfall information table may be maintained as a shapefile attribute table. The outfall
information table shall include the following at a minimum:
(1) A unique identifier as specified on the MS4 map;
(2) The latitude and longitude of the outfall, or point of discharge;
(3) The 6th Order Hydrologic Unit Code of the receiving water;
(4) An indication as to whether the receiving water is listed as impaired in the Virginia 2022
305(b)/303(d) Water Quality Assessment Integrated Report; and
(5) The name of any EPA-approved TMDLs for which the permittee is assigned a wasteload
allocation.
If available, the outfall table should include the following:
(6) The estimated regulated acreage draining to the outfall, or point of discharge; and
(7) The name of the receiving water.
(d) No later than 12 months after permit issuance, the permittee shall submit to DEQ, a format file
geodatabase or two shapefiles that contain at a minimum:
(1) A point feature class or shapefile for outfalls with an attribute table containing outfall data
elements required in accordance with Part I.B.2.h)3)(c); and
(2) A polygon feature class or shapefile for MS4 service area as required in accordance with Part
I.B.2.h)3)(a)(4) with an attribute table containing the following information:
i. MS4 operator name;
ii. MS4 permit number, and
iii. MS4 service area pervious, impervious and total acreage rounded to the nearest
hundredth.
(e) All file geodatabase feature classes or shapefiles shall meet the following data format standards:
(1) Point data collected in NAD83 or WGS84 decimal degrees global positional system
coordinates;
(2) Data projected in Virginia Lambert Conformal Conic format;
(3) Outfall location accuracy shall be represented in decimal degrees rounded to at least the fifth
decimal place for latitude and longitude to ensure point location accuracy (e.g., 37.61741, -
78.15279); andJump to an indexed page (43 of 43)