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RECREATIONAL WATERS PROGRAM

Ocean Monitoring :: State Ocean Water Quality Standards


California Code of Regulations, Title 17

Group 10. Sanitation, Healthfulness and Safety of Ocean Water-Contact Sports
Areas

Article 2. Definitions


7956. Storm Drain.
"Storm drain" means a conveyance through which water flows onto or adjacent to a
public beach and includes rivers, creeks, and streams, whether in natural or in
man-made channels.

NOTE: Authority cited: Sections 100275, 115880, and 116075, Health and Safety Code.
Reference: Sections 115880, 116075, and 116080, Health and Safety Code.

Article 4. Healthfulness

7957. Physical Standard.

No sewage, sludge, grease, or other physical evidence of sewage discharge shall be
visible at any time on any public beaches or water-contact sports areas.

NOTE: Authority cited: Sections 208, and 24156, Health and Safety Code. Reference:
Sections 24156, Health and Safety Code.

7958. Bacteriological Standards.
(a) The minimum protective bacteriological standards for waters adjacent to public
beaches and public water-contact sports areas shall be as follows:

(1) Based on a single sample, the density of bacteria in water from each sampling
station at a public beach or public water contact sports area shall not exceed:

(A) 1,000 total coliform bacteria per 100 milliliters, if the ratio of fecal/total
       coliform bacteria exceeds 0.1; or
(B) 10,000 total coliform bacteria per 100 milliliters; or
(C) 400 fecal coliform bacteria per 100 milliliters; or
(D) 104 enterococcus bacteria per 100 milliliters.


(2) Based on the mean of the logarithms of the results of at least five weekly
samples during any 30-day sampling period, the density of bacteria in water from
any sampling station at a public beach or public water contact sports area, shall
not exceed:

(A) 1,000 total coliform bacteria per 100 milliliters; or
(B) 200 fecal coliform bacteria per 100 milliliters; or
(C) 35 enterococcus bacteria per 100 milliliters.

(b) Water samples shall be submitted for bacteriological analyses to a laboratory
certified by the Environmental Laboratory Accreditation Program, California Department
of Health Services in microbiology for methods for the analysis of the sample type.

NOTE: Authority cited: Sections 100275, 115880, and 116075, Health and Safety Code.
Reference: Sections 115880, 116075, and 116080, Health and Safety Code.

7959. Bacteriological Sampling.
(a) In order to determine that the bacteriological standards specified in Section 7958
above are being met in a water-contact sports area designated by a Regional Water
Quality Control Board in waters affected by a waste discharge, water samples shall be
collected at such sampling stations and at such frequencies as may be specified by said
board in its waste discharge requirements.

(b) In waters of a public beach or water-contact sports area that has not been so
designated by a Regional Water Quality Control Board, water samples shall be collected
at such frequencies as may be determined by the local health officer or Department.
Local health officers shall be responsible for the proper collection and analysis of water
samples in such areas.

NOTE: Authority cited: Sections 208, and 24156, Health and Safety Code. Reference:
Sections 24156 and 24157, Health and Safety Code.

7960. Corrective Action.
(a) When a public beach or public water-contact sports area fails to meet any of the
standards as set forth in Section 7957 or 7958 above, the local health officer or the
Department, after taking into consideration the causes therefore, may at his or its
discretion close, post with warning signs, or otherwise restrict use of said public beach
or public water-contact sports area, until such time as corrective action has been taken
and the standards as set forth in 7957 and 7958 above are met.

NOTE: Authority cited: Sections 208, and 24156, Health and Safety Code. Reference:
Sections 24156 and 24157, Health and Safety Code.

7961. Public Beaches Visited by More than 50,000 People Annually and Adjacent to
Storm Drains.

(a) Waters adjacent to a public beach shall be tested for bacteria identified in Section
7958 on at least a weekly basis from April 1 to October 31, inclusive, if the beach is

(1) Visited by more than 50,000 people annually, and
(2) Located adjacent to a storm drain that flows in the summer.

(b) Water samples shall be taken from locations that include areas affected by storm
drains. Samples shall be taken in ankle- to knee-deep water, approximately 4 to 24
inches below the water surface.

(c) When testing reveals that the waters adjacent to a public beach fail to meet any of
the standards set forth in Section 7958(a)(1), the local health officer shall post the
beach pursuant to Health and Safety Code Section 115915, and shall use the standards
of Sections 7958(a)(1) and (2) in determining the necessity to restrict the use of or
close the public beach or portion thereof.

(d) In the event of a known release of untreated sewage into waters adjacent to a
public beach, the local health officer shall:

(1) Immediately post and close the beach or a portion thereof, or otherwise restrict
its use until the source of the sewage release is eliminated;
(2) Sample the affected waters; and
(3) Continue closure or restriction of the beach or a portion thereof and posting the
beach until testing results establish that the standards of Sections 7958(a)(1) are
satisfied.

NOTE: Authority cited: Sections 100275, 115880, and 116075, Health and Safety Code.
Reference: Sections 115880, 116075, and 116080, Health and Safety Code.

7962. Duties Imposed on a Local Public Officer or Agency.
(a) Pursuant to Health and Safety Code Sections 115880(h), 115885(g), and 115915(c),
any duty imposed upon a local public officer or agency by Section 7961 shall be
mandatory only during a fiscal year in which the Legislature has appropriated sufficient
funds, as determined by the State Director of Health Services, in the annual Budget Act
or otherwise for local agencies to cover the costs to those agencies associated with
performance of these duties.

NOTE: Authority cited: Section 100275, Health and Safety Code. Reference: Sections
115880, 115885, and 115915, Health and Safety Code.


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