Page 28 - California Stormwater Workshop Handouts

Industrial General Permit Order

6. Seawater infiltration where the seawater is discharged back into the source:
and,

7. Incidental windblown mist from cooling towers that collects on rooftops or
adjacent portions of your facility, but not intentional discharges from the
cooling tower (e.g., “piped” cooling tower blowdown or drains).

B. The NSWDs identified in Section IV.A are authorized by this General Permit if
the following conditions are met:

1. The authorized NSWDs are not in violation of any Regional Water Board
Water Quality Control Plans (Basin Plans) or other requirements, or
statewide water quality control plans or policies requirement;

2. The authorized NSWDs are not in violation of any municipal agency
ordinance or requirements;

3. BMPs are included in the SWPPP and implemented to:

a. Reduce or prevent the contact of authorized NSWDs with materials or
equipment that are potential sources of pollutants;

b. Reduce, to the extent practicable, the flow or volume of authorized
NSWDs;

c. Ensure that authorized NSWDs do not contain quantities of pollutants
that cause or contribute to an exceedance of a water quality standards;
and,

d. Reduce or prevent discharges of pollutants in authorized NSWDs in a
manner that reflects best industry practice considering technological
availability and economic practicability and achievability.

4. The Discharger conducts monthly visual observations (Section XI.A.1) of
NSWDs and sources to ensure adequate BMP implementation and
effectiveness; and,

5. The Discharger reports and describes all authorized NSWDs in the Annual
Report.

C. Firefighting related discharges are not subject to this General Permit and are
not subject to the conditions of Section IV.B. These discharges, however, may
be subject to Regional Water Board enforcement actions under other sections
of the Water Code. Firefighting related discharges that are contained and are
later discharged may be subject to municipal agency ordinances and/or
Regional Water Board requirements.

V. EFFLUENT LIMITATIONS

Order 2014-0057-DWQ 20