Page 183 - California Stormwater Workshop Handouts

ATTACHMENT G

REQUIREMENTS FOR DISCHARGERS WHO HAVE BEEN GRANTED AN
OCEAN PLAN EXCEPTION FOR DISCHARGES TO ASBS

a. Discharges associated with emergency fire fighting operations.

b. Foundation and footing drains.

c. Water from crawl space or basement pumps.

d. Hillside dewatering.

e. Naturally occurring groundwater seepage via a storm drain.

f. Non-anthropogenic flows from a naturally occurring stream via a culvert or
storm drain, as long as there are no contributions of anthropogenic runoff.

3. Authorized ASBS Non- Storm Water Discharges shall not cause or contribute to
a violation of the water quality objectives in Chapter II of the Ocean Plan nor alter
natural ocean water quality in an ASBS.

4. At the San Clemente Island ASBS, discharges incidental to military training and
research, development, test, and evaluation operations are allowed. Discharges
incidental to underwater demolition and other in-water explosions are not allowed
in the two military closure areas in the vicinity of Wilson Cove and Castle Rock.
Discharges must not result in a violation of the water quality objectives, including
the protection of the marine aquatic life beneficial use, anywhere in the ASBS.

5. At the San Nicolas Island and Begg Rock ASBS, discharges incidental to military
research, development, testing, and evaluation of, and training with, guided
missile and other weapons systems, fleet training exercises, small-scale
amphibious warfare training, and special warfare training are allowed.
Discharges incidental to underwater demolition and other in-water explosions are
not allowed. Discharges must not result in a violation of the water quality
objectives, including the protection of the marine aquatic life beneficial use,
anywhere in the ASBS.

C. ASBS Compliance Plan

1. State Water Board Resolution 2012-0012 grants an exception to the Ocean
Plan’s prohibition on discharges to ASBS (ASBS Exception) to applicants who
were identified as Dischargers of industrial storm water to ASBS (ASBS
Dischargers). Each ASBS Discharger shall specifically address the prohibition of
ASBS Non-Storm Water Discharges and the requirement to maintain natural
water quality for industrial storm water discharges to an ASBS in an ASBS
Compliance Plan to be included in the ASBS Discharger’s SWPPP. The ASBS
Compliance Plan is subject to approval by the Executive Director of the State
Water Board. The ASBS Compliance Plan shall include:

Order 2014-0057-DWQ 2