Page 36 - California Stormwater Workshop Handouts

Industrial General Permit Order

d. Significant Spills and Leaks

The Discharger shall:

i. Evaluate the facility for areas where spills and leaks can likely occur;

ii. Ensure the SWPPP includes:

a) A list of any industrial materials that have spilled or leaked in
significant quantities and have discharged from the facility’s storm
water conveyance system within the previous five-year period;

b) A list of any toxic chemicals identified in 40 Code of Federal
Regulations section 302 that have been discharged from the
facilities’ storm water conveyance system as reported on
U.S. EPA Form R, as well as oil and hazardous substances in
excess of reportable quantities (40 C.F.R. §§ 110, 117, and 302)
that have discharged from the facility’s storm water conveyance
system within the previous five-year period;

c) A list of any industrial materials that have spilled or leaked in
significant quantities and had the potential to be discharged from
the facility’s storm water conveyance system within the previous
five-year period; and,

iii. Ensure that for each discharge or potential discharge listed above the
SWPPP includes the location, characteristics, and approximate
quantity of the materials spilled or leaked; approximate quantity of the
materials discharged from the facility’s storm water conveyance
system; the cleanup or remedial actions that have occurred or are
planned; the approximate remaining quantity of materials that have
the potential to be discharged; and the preventive measures taken to
ensure spills or leaks of the material do not reoccur.

e. NSWDs

The Discharger shall:

i. Ensure the SWPPP includes an evaluation of the facility that
identifies all NSWDs, sources, and drainage areas;

ii. Ensure the SWPPP includes an evaluation of all drains (inlets and
outlets) that identifies connections to the storm water conveyance
system;

iii. Ensure the SWPPP includes a description of how all unauthorized
NSWDs have been eliminated; and,

Order 2014-0057-DWQ 28