Page 27 - California Stormwater Workshop Handouts

Industrial General Permit Order

III. DISCHARGE PROHIBITIONS

A. All discharges of storm water to waters of the United States are prohibited
except as specifically authorized by this General Permit or another NPDES
permit.

B. Except for non-storm water discharges (NSWDs) authorized in Section IV,
discharges of liquids or materials other than storm water, either directly or
indirectly to waters of the United States, are prohibited unless authorized by
another NPDES permit. Unauthorized NSWDs must be either eliminated or
authorized by a separate NPDES permit.

C. Industrial storm water discharges and authorized NSWDs that contain
pollutants that cause or threaten to cause pollution, contamination, or nuisance
as defined in section 13050 of the Water Code, are prohibited.

D. Discharges that violate any discharge prohibitions contained in applicable
Regional Water Board Water Quality Control Plans (Basin Plans), or statewide
water quality control plans and policies are prohibited.

E. Discharges to ASBS are prohibited in accordance with the California Ocean
Plan, unless granted an exception by the State Water Board and in compliance
with the Special Protections contained in Resolution 2012-0012.

F. Industrial storm water discharges and NSWDs authorized by this General
Permit that contain hazardous substances equal to or in excess of a reportable
quantity listed in 40 Code of Federal Regulations sections 110.6, 117.21, or
302.6 are prohibited.

IV. AUTHORIZED NON-STORM WATER DISCHARGES (NSWDs)

A. The following NSWDs are authorized provided they meet the conditions of
Section IV.B:

1. Fire-hydrant and fire prevention or response system flushing;

2. Potable water sources including potable water related to the operation,
maintenance, or testing of potable water systems;

3. Drinking fountain water and atmospheric condensate including refrigeration,
air conditioning, and compressor condensate;

4. Irrigation drainage and landscape watering provided all pesticides,
herbicides and fertilizers have been applied in accordance with the
manufacturer’s label;

5. Uncontaminated natural springs, groundwater, foundation drainage, footing
drainage;

Order 2014-0057-DWQ 19