Agenda Packets - Sewer System - 2011-10-18 SEWER SYSTEM COMMITTEE AGENDA
October 18, 2011, 10:30 a.m:.
Costa Mesa Sanitary District
628 W. 10th Street
Costa Mesa, California
STANDING REPORTS,
1. Monthly Split Statistics
0 One new sanitary sewer overflow(SSO)on 9/27/11 to report
NEW DISCUSSION ITEMS
IL Sewer Cleaning Program—Oral Report
0 7,562 foot gap between old and new cleaning:cycles to be cleaned by CMSD crew
0 Yearly root cutting of 141,791 feet and hot spot cleaning by CMSD crew
6 Contractor GIPS)to perform yearly line cleaning only
9 Update on GiS Sewer Atlas, CMMS, Hydraulic Modeling
lll, Hydrogen Sulfide Odor Abatement Testing—Oral Reporl
• Golden Bio from Golden Bell at South Coast Plaza grease interceptors
• Bio Amp from Chemsearch at South Coast Plaza grease interceptors
• Blo-Organic Catalyst at Elden Pumping Station
• Meeting with South Coast Plaza Management 10119/11 at 11 a.m
IV. Administrative Civil Liability(ACL)Actions by State Water Boards
a. Resolution of Santa Margarita Water District action
ib. El Pollo Loco action
V DR Compliance
a. Statewide SSO Annual Compliance Report\
b. FY 2010-11 Orange County SSO Report
C. State Water Board's expectation of having backup power at all CMSD pumping stations and
SCADA computers
V11, WDR Seminars
Spiral Wound Liners 101120111 9:30 a.m.— 11:30 a,m,
Page 1 of 2
Sewer Systern ConirrOtee
October 18,2011
VII. Miscellaneous Topics—Oral Discussion
* Staff procedures to avoid City trees from being planted over sewer mains and laterals; limited
effectiveness of root barriers
* How regular cleaning of wet wells prevents odors and protects pump impellers
* Zero waste concepts applied to sewers
GMSD PROJECTS:
Fill. A. Project#101 West Side Pumping Station Abandonment-Status
a, CCSD selected Dudek as consultant for EIR and Alignment Study; kickoff meeting to occur
B. Project#129 Bristol Street Sewer Phase 11—Status
Q Project out to bid on 9/12/11
4. BM opening on 10/25/11
C. Project#171 Irvine Purnping Station Force Main Rehabilitation -Status
0 Awaiting soils investigation report and then finalizing plan and specs for bidding
D. Project#185 System-Wide Sewer Reconstruction Phase 1 -Status
0 Construction is continuing and 22 additional Grade 5 repairs added to project
E. Project#189 Rehabilitation of Six Sewers Transferred to CMSD—Status
Gravity sewer main on South Coast Drive is installed; contractor now rehabilitating manhole
interiors and grinding off"OCSD"from manhole covers
F. Project#190 Canyon Force Main Rehabilitation
& Design phase is underway
G,, project#192 System-Wide Sewer Reconstruction Phase 2—Status
a Design phase is underway
H. Project#193 Pumping Station Seismic Study—Status
Consultant draft report discussed at staff level on 10/5/11; report contains analysis of the
potential effects on pumping stations from a 6.0 magnitude earthquake; meeting with
consultant to Occur to discuss and finalize,recommendations
PUBLIC COMMENTS
Ix. This is the time to receive any comments from members of the public.
Next Meeting Date: November 8, 2011
Dated!: October 6, 2011
Clerk of the District
Page 2 of 2
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Item No,IV.a.
Frairm "Nguyen, Due"<Due.Nguyen@ ocpw.ocgov.com>
13 S 1jbject; RE:fyi ACL against SMWD Settled
Date September 23, 2011 8A6A3 AM PDT
Fo. "Carrillo, Dindo"<DCARRlLL0C5)0CSD.00M>
C c'. <narhontes@ocsd,com>, "Rob Tamers'"<robh2l@cox.net>
Ti Dindo, Nick & Rob,
Fyi, the ACL against SMWD has been settled.
Due
Santa Margarita Water District, Rancho Santa Margarita, Orange County. Settlement Agreement for Piano
Force Main Sanitary Sewer Overflow, Tentative Order No. R9-2011-0057. This proposed settlement agreement
and order resolves ACL Complaint No, R9-2011-0023, Complaint for Administrative Civil Liability, Violations of Orders
No, 2006-0003-DWQ and Order No. R9-2007-0005, Waste Discharge Requirements for Sanitary Sewer Systems and
Collection Agencies, Collectively, The Complaint recommended assessment of$1,731,970 against the Santa
Margarita Water District for violations resulting from the discharge of 2.293 million gallons of untreated sewage to
Tijeras Creek and the Pacific Ocean, Orange County between March 23 and March 30, 2010. Based upon evidence
and information received in response to the Complaint, the Prosecution Team recommends resolving the ACL by
proposed settlement agreement and stipulated order for a total administrative civil liability imposed of$890,000.
As proposed under the settlement agreement and order, $445,000 in liability would be paid to the State Water
Resources Control Board's Cleanup and Abatement Account. In addition, $140,000 in liability would be suspended to
fund one year of a Supplemental Environmental Project (SEP) titled, "Invasive Control, Restoration, Monitoring, and
Education at Audubon Starr Ranch Sanctuary," conducted by the Audubon Starr Ranch Sanctuary in Orange County.
Additionally, $305,000 in liability would be suspended to fund an Enhanced Compliance Action (ECA) conducted by
the Santa Margarita Water District to relocate a sanitary sewer line away from Tijeras Creek, Upon satisfactory and
timely completion of the SEP and ECA Projects, respectively, the suspended liabilities will be permanently waived.
The deadline for submitting written comments is July 31, 2011. Oral comments may be accepted at the September
14, 2011 Board meeting, For questions regarding this matter, please contact Christopher Means at 858-637-558,1 or
by e-mail at (Noticed July 1, 2011, revised August 12, 2011).
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Duc Nguyen
Office-(714) 955-0676
Fax - (714)955-0639
Cell-(714)448-1868
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From. Carrillo, Dindo [a1gHtoJ)CARRI,LLQ@Q_ (,'DM]
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Sent: Thursday, April 21, 20113:25 PM
To: Nguyen, Chic
Subject; RE: to ACL against SMWD
"I hanks Duc. Will forward to Rob.
Item No.IV.b.
Frorm "Carrillo, Linda"<DCARRILL(O @OCSD.COM>
Subject: ACL for SSO at El Pollo Loco In Irvine
halter September 19, 2011 10:22:57 AM PDT
To,, WDR Steering Committee<WDRSteeringComm1ttee9OCSD.COM>
C "Arhontes, Nick"<NARHONTES@OCSD.COM>, "Esquer, Mark"<MESQUER@OCSD.COM>, "Cassidy, William"
<WCASSIDY@OCSD,COM>, "Colston, Jim"<JCOLSTON@OCSD.COM>, "Rothbart, Lisa"<Irothbart@OCSD,COM>,
"'Haney, Lisa"<LHaney@QCSD.COM>
1 Attachment, 141 KB
Good morning,
At the September 15, WDR General meeting, the group discussed the recent ACL given to El Polio
Loco at Irvine. Below is a summary, but more information can be found on the attached ACL.
I) SSO occurred on January 26, 2010 at 10:00am at the Irvine El Polio Loco. ACL issued June 2,
2011 and they paid the fine.
2) Spill caused by grease blockage in their sewer lateral.
3) About 500 gallons was released from their grease interceptor and observed in drive through
lane and inside kitchen.
4) Plumber was sent to El Pollo Loco to relieve the blockage in the kitchen but couldn't. Plumber
then requested to access the blockage at the drive through, however, Corporate Headquarters
wanted to wait until after the lunch rush to relieve blockage. Relieved the blockage at 3.00pm.
5) SSO lasted for 5 hours and entered storm drain system, leading to Peters Canyon Wash, San
Diego Creek, and Newport Bay.
6) El Polio Loco had to pay a fine of$9,450, prepare a sewer spill overflow response plan, more
frequent grease interceptor servicing, and semi-annual private sewer lateral cleaning and
inspections.
Regards,
Dirdo A. Can1Mo
EriviirorurneiritaV Coin pl iance
Crange COUnty Sarritaflon Distdict
(.?r 14,) 1593-74'?r 6
www,ocsd.corn
10844 R�s Ave
Fouinfta�rn Va�E,ly, CA 92708
0
1'R8
California Regional Water Quality Control Board
a Santa Ana Region 0 1
3737 Main Street,Suite 500,Riverside,California 92501-33 48
Matthew Rodriquez Phone(951)7824130•FAX(951)781-6288 Edmund G.Brown Jr.
Secreforyfor www,waterboards,ca.gov/santaana Governor
Environmental Protection
August 8, 2011
Edith R. Austin, Director of Legal Services
El Polio Loco
3535 Harbor Boulevard, Suite 100
Costa Mesa, CA 92626
ADMINISTRATIVE CIVIL LIABILITY (ACL) COMPLAINT NO. R8-2011-0027 • EL
POLLO LOCO, INC.
Dear Ms. Austin:
On June 2, 2011, a draft Administrative Civil Liability Complaint No. R8-2011-0027
(hereinafter"Complaint") was issued to El Polio Loco, Inc. On June 21, 2011, you
waived your right to a hearing and paid the proposed liability to settle the matter.
As indicated in our June 02, 2011 transmittal letter, any proposed settlement has to be
publicly noticed and memorialized. The enclosed complaint recognizes the Regional
Board's proposed settlement with El Polio Loco. This will be publicly noticed for 30-
days on our website at:
hftp,//www.waterboards.ca.gov/santaana/public—notices/enforcement—actions.shtml
If we do not receive any significant public comments within the 30-day comment period,
it will be deemed as final settlement of the matter.
If you have any questions regarding this correspondence please contact Stephen D.
Mayville at 951-782-4992 smayville(cD-waterboards.ca. ov).
Sincerely,
ai
Mi ael J Adac dac ara
Division Chief
Regional Board Prosecution Team:
Enclosures: Final Complaint No. R8-2011-0027
cc with a copy of the complaint (by electronic mail only):
State'Water Resources Control Board, Office of Enforcement— Reed Sato
(Director, Office of Enforcement, Regional Board Prosecution Team Attorney)
Calffiornia Environmental Protection Agency
4ri�
C4 Recycled Paper
STATE OF CALIFORNIA
REGIONAL WATER QUALITY CONTROL BOARD
SANTA ANA REGION
In the Matter of:
El Polio Loco, Inc. Complaint No. R8-20111-0027
3535 Harbor Boulevard, Suite 100) for
Costa Mesa, CA 92626 Administrative Civil Liability
Attn: Edith R. Austin
YOU ARE HEREBY GIVEN NOTICE THAT:
1. On June 2, 2011, a draft copy of this Complaint was mailed to El Pollo Loco, Inc.
(hereinafter El Polio Loco) with an offer to settle the matter without a hearing. On June
22, 2011, El Polio Loco paid the proposed liability in the draft Complaint and waived its
right to a hearing. This document memorializes the settlement of this matter.
2. El Polio Loco is alleged to have violated provisions of law for which the California
Regional Water Quality Control Board, Santa Ana Region (hereinafter"Regional
Board"), may impose administrative civil liability under California Water Code
(hereinafter"CWC") §13385.
3. A hearing concerning this Complaint will not be held before the Regional Board unless
significant objections to this settlement are received within 30-days of issuance of this
Complaint. Pursuant to CWG Section 13323, El Polio Loco has already waived its right
to a hearing.
4. If a hearing is held on this matter, the Regional Board will consider whether to affirm,
reject, or modify the proposed administrative civil liability or whether to refer the matter
to the Attorney General for recovery of judicial civil liability.
THE COMPLAINT' IS BASED ON THE FOLLOWING FACTORS:
5. El Polo Loco owns and operates a restaurant located at 88 Corporate Park in the City
of Irvine. All sanitary wastes from this facility are discharged to the City of Irvine's
sanitary sewer system through a sanitary sewer lateral. El Polio Loco is responsible
for operation and maintenance of the sanitary sewer lateral.
6. The Irvine Ranch Water District (IRWD) operates and maintains the City of Irvine's
sanitary sewer collection system. IRWD is required to meet specific Federal and State
requirements to prevent sewer system overflows including controls on fats, oils and
grease from restaurants, residences and certain types of industries. Fats, oils and
El Pollo Loco -2- August 8, 2011
ACL No. R8-2011-0027
grease are a major cause of sewer system overflows. In addition, fats, oils, and grease
add significant costs to maintenance of sewer systems and to treatment, of sewage.
IRWD has established a fats, oils and grease (FOG) program, that provides public
education, conducts facility inspections and enforces the FOG program. IRWD has
inspected restaurants since September 2005. These inspections included the El Polio
Loco facility in Irvine. IRWD provided the restaurant management training on the FOG
program. Since that training, management has changed several times for this
restaurant. IRWD encourages cooperate management participation in the FOG
training program for chain restaurants, such as El Polio Loco. There is no indication
that El Pollo, Loco's corporate offices participated' in the FOG training program.
7. On January 26, 2010, an estimated 500 gallons of raw sewage were spilled from the EI
Polio Loco facility. The release was from a grease interceptor clean-out located on the
Jamboree Boulevard: side of the restaurant within the drive-through lane. The spill was
caused by a blockage in the sewer lateral. The spilled material contained raw sewage,
including grease, and was observed in the drive-through lane and the marinating
section of the kitchen. The spill was initially reported to the Irvine Police Department by
a private citizen. Initial investigations of the incident were conducted by the Irvine
Police Department, City of Irvine's Code Enforcement and Orange County Health Care
Agency. Further investigations were conducted by Regional Board staff. The following
findings are based on these investigations.
a. At approximately 10:00 a.m. on January 26, 2010, El Polio Loco's
corporate office, called its contract plumber about a sewage spill at the
Irvine El Polio Loco restaurant. The plumber arrived at the restaurant at
approximately 10:15 a.m. and his initial attempts to clear the blockage
from the kitchen, sink were not successful. So he requested the
restaurant's shift supervisor to close the drive-through lane to enable him
to work on clearing the blockage. They started, to close down the drive-
through lane as the shift supervisor contacted the corporate office for its
approval. El Polio Loco's corporate office denied permission to close
down the drive-through lane during the lunch time rush, El Polio Loco's
corporate office sent the plumber back with a request to return after the
lunch time rush.
b. The plumber returned at approximately 3:00 p.m. and cleared the
blockage. In the meantime, the spill continued for approximately five
hours and was seen entering a nearby City of Irvine's storm drain system.
The City's storm drain system is tributary to Peters Canyon Wash, San
Diego Creek and Newport Bar These are considered as waters of the
Ul.S. for which the Basin Plan has designated beneficial uses. The
discharge of raw sewage can impact the designated beneficial uses of
these receiving waters. The beneficial uses of San Diego Creek and
Newport Bay include water contact recreation and non-contact water
recreation.
Santa Ana Region Basin Plan,see at:
http://www.waterboards.ca.gov/santaana/water—issues/Programs/basin_pian/index.shtml
Ei Polio Loco -3- August 8, 2011
ACS, No, R8-2011-0027
c. The police report indicated that a brown solid matter that was observed in
the spilled sewage on the drive-though lane was tracked by the
automobiles to the exit of the drive-through and the handicap pedestrian
access area. A foul smell of sewage was observed outside of the
restaurant,
d. None of the spilled sewage was recovered and returned to the sanitary
sewer system. This resulted in an estimated volume of 500 gallons of
sewage being discharged into a storm drain leading to San Diego Creek, a
water of the United States.
8. Since the January 26, 2010 incident, IRWD has required the restaurant to prepare a
sewer spill/overflow response plan in a letter dated February 24, 2010. Because of
historic non-compliance, IRWD has required more frequent grease interceptor
servicing as well as semi-annual private sewer lateral cleaning and inspections to
prevent blockages and potential sewer system overflows. Regional Board
investigators believe that at the time of this incident on January 26, 2010, the grease
interceptor was overdue servicing.
9. The discharge caused a public nuisance, a public health threat and threatened to
impact or impacted the beneficial uses of waters of the U.S. The El Polio Loco,
corporate officer's decision not to close the drive-through lane to address the
sewage spill prolonged the spill and caused environmental harm to the public and
water quality. The spill was a result of a failure of El Polio Loco to adequately
maintain its sanitary sewer system. The quantity of sewage spilled could have been
minimized if the El Polio Loco corporate officer had acted diligently. It appears that
the'corporate officer's actions were motivated by profit considerations rather than
any consideration for environmental protection.
I O.CWC Section 13376 states, "Any person discharging pollutants or proposing to
discharge pollutants to navigable waters of the United States within the jurisdiction of
this state ... shall file a report of the discharge in compliance with the procedures set
forth in Section 13260." The above discharges were in violation of this provision of the
cwc
11.Chapter 5, Section B,.I., of the Basin Plan prohibits the discharge of untreated sewage
to any surface water stream, natural or man-made, or to any drainage system intended
to convey storm water run-off to surface water streams. El Polio Loco is alleged to
have violated this Basin Plan prohibition.
12.Pursuant to CWC §13385 (c)(1), the Regional Board may impose civil liability
administratively on a daily basis; and on a per gallon basis for discharge in excess of
1,000 gallons [CWC §13385 (c) (2)]. The Division Chief proposes to impose civil
liability per CWC §13385 (c) (1) since the discharge was less than 1,000 gallons.,
El Polio Loco -4- August 8, 2011
ACL No. R8-,2011-0027
13.CWC §13385(c)(1) states that administrative civil liability may not exceed $10,000 per
day. For the discharge incident described above, the maximum liability for the violation
cited above is $10,000 for discharges that occurred on January 26, 2010.
14.C §13385 (e)specifies factors that the Regional Board shall consider in
establishing the amount of civil liability. Consideration of these factors is addressed in
the following table.
Factor Comment
A. Nature, An estimated 500 gallons of untreated wastewater(sewage) was
Circumstances, discharged from El Polio Loco's sanitary sewer system to a storm
Extent and drain inlet tributary to San Diego Creek.
Gravity of The sewage discharged to surface waters has the potential to
Violation impact the designated beneficial uses,by the introduction of
bacteria, nutrients, and other pollutants, The spilled sewage was
observed in the marinating area of the kitchen, the handicap
access ramp, and the drive-through lane. This discharge was a
not only a public nuisance, but also a threat to public health.
El Polio Loco's corporate officer's reluctance to allow the
plumber, who was already onsite, to close the drive-through lane
to clear the sewer blockage exacerbated the problem, El Polio
Loco neither contained the spilled sewage nor tried to address
the leak in a timely manner.
B. Culpability The release of raw sewage within the kitchen area as well as
outside the facility where the public had access and were
exposed to the raw sewage constitutes extreme negligence on
the part of the El Polio Loco corporate officer. He, in fact, stalled
the repair and clean-up process for almost 5 hours.
C. Economic El Polio Loco's decision to not act on containing and cleaning up
Benefit or the sewage release allowed the facility to remain open during the
Savings peak lunch time and the facility collected approximately $1,0010 in
revenue during this time. If the facility had closed the drive-
through lane to address this problem during the lunch time rush,
most of the drive-through customers probably would have gone
inside the restaurant. So the facility probably did not have a
significant economic benefit either by not closing the drive-
through lane during lunch time rush or by delaying the repair
work itself.
El Polio Loco August 8, 2011
ACL No. R8-2011-0027
D. Prior History of IRWID has indicated that the facility had a history of violations.
Violations However, Regional Board staff was not aware of any prior history
of releases or failure to maintain its systems, other than the
discovery during this investigation.
E. Staff Costs Regional Board staff spent approximately 30 hours investigating
this incident. The total cost for staff time is $4,5,00 (30
hirsX$150/hr=$4,500).
F. Ability to pay Regional Board staff has no information that demonstrates that El
Polio Loco would have any difficulty in paying the assessed
amount.
15.The Water Quality Enforcement Policy(hereinafter"the Policy") adopted by the State
Water Resources Control Board on November 19, 2009, establishes a methodology
for assessing administrative civil liability pursuant CWC §13385(e). Use ofthis
methodology addresses the factors in CWC § 1338,5(e). The Policy can be found at:
htto:/Avww.waterboards.ca.gov/water issued'orograms/enforeementtdoeslenf polioy
final 111 709.pdf
16.The Policy requires consideration of the potential for harm from the discharge of
untreated sewage. The potential for harm from the discharge=3 (moderate, see
Page 12 of the Policy), the characteristics of the discharge=3 (discharged material
poses an above-moderate risk or threat to potential receptors, see Page 13 of the
Policy) and the susceptibility to cleanup or abatement is =0 (50% or more of the
discharge was susceptible to cleanup or abatement); the total potential for harm=6
(3+3+0=6). Using Table 2, on Page 15, the "per day factor"for the discharge
is=01.2201, considering this as a "major' deviation from requirement and 6 as the
potential for harm. This factor is then used to calculate the per day assessment for
the discharge violation ($10,000,XO.220=$2,200).
17.In addition, the Regional Board should consider the violator's conduct factors (see
Table 4 on Page 17 of the Policy). The amount calculated above is then adjusted
based on El Polio Loco's culpability (a culpability of 1.5 is assigned based on El
Polio Loco's negligence and intentional delay in addressing the problem), cleanup
and cooperation (a factor of 1.5 is also assigned to cleanup and cooperation) and
history of violations (1.0 based on "'no prior history of violations"). 'The adjusted
amount based on these factors is=$2,200X1.5X1.5X1.0=$4,950.
18,CWC §13385 also requires consideration of economic benefit or savings, if any,
resulting from the violation, and other matters as justice may require. Regional
Board staff believes that El Polio Loco did not have a significant economic benefit
as discussed in the table above. The costs of investigation and enforcement are
considered as one of the "other factors as justice may require". Staff costs are
$4,500 (see table above).
El Pollo Loco August 8, 2011
ACL No. R8-2011-0027
19.After consideration of the above factors, the Division Chief proposed that a civil
liability be imposed administratively on El Pollo Loco in the amount of$9,450.00 for
the violations cited above ($4,950 pe,nalty+$4,500 in staff costs).
20.On June 22, 2011, El Pollo Loco paid the proposed liability and waived its, right to a
hearing.
2 1.This Complaint will be posted on the Regional Board's website for 30-days for
public comments. If no significant comments are received, this matter will be
considered as settled at the end of the 30-day comment period. If there are
unresolved significant comments, this matter will be scheduled for a public hearing
at a regularly scheduled Board meeting at a later date. If a public hearing is to be
held, all interested parties will be notified of the public hearing.
If you have any questions, please contact Stephen D. Mayville at (951) 782-4992 or
Chuck Griffin at (951) 782-4996.
0 ao;w
Date/ Mic ion J. Adacl:�'
Chief
Regional Board Prosecution Team
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SSO Reduction Program: Annual Compliance Report, August 2011
As shown in Figure 8, compliance with the sanitary sewer system questionnaire has increased
over the past year. Phase I and 11 enforcement activities described previously in section 2-F are
being conducted to improve the questionnaire compliance rates.
A. Statewide Reported Spill Data
A summary of statewide SSO and PLSD spill data reported! by participating enrollees since
reporting requirements became effective on January 2, 2007, is presented in Table 1 below. The
SSS WDRs do not prohibit ail SSOs, only those that reach surface water or cause a nuisance. As
defined in the California Water Code section 13050 (m) (2), to be considered a nuisance an SSO
would have to affect an entire community or neighborhood.
State Water Board staff is actively conducting checks and taking necessary actions to ensure the
accuracy of the approximately 24,000 reported spill data records. When erroneous data are
identified, the enrollee responsible for the data entry error is contacted and requested to correct it.
mossonom
Number of SSO locations 21,854 2,726
Total Volume of SSOs (gal) 92,699,534 2,871,262
Total Volume Recovered (gal) 18,479,773 1,558,702
Total Volume Reached Surface Water(gal) Ar ye,
74,170,763 1,811,742
Percent Recovered 20% 54%
Percent Reached Surface Water 80% 63%
Total Miles of Pressure Sewer 43,877 NA
Total Miles of Gravity Sewer 94,968 NA
Total miles of Laterals Responsible 14,812 12,801
of Spills locations per 100 miles of Sewer 14.0 21.0
Volume Reaching Surface Water per 100
miles of Sewer(gal1100 ml) L 48,271 14,153
Table 1 —Overall Statewide SSO and PLSD Reports(from 1/2107 to 1/31/111)
The data summaries presented below are from analyses of data that staff has checked and has
confidence in its accuracy. Staff is examining additional metrics as ongoing data cleanup by
enrollees is completed, efforts to increase reporting become effective, and additional data is
collected. Overall SSO Reduction Program performance from January 2, 2007, when all regions in
the state were required to start reporting, to January 31, 2011, is illustrated in Figures 9 and 10.
As illustrated in Figure 9, there is a seasonal pattern with more SSO spills occurring during the wet
seasons. From January 2008 to the present, the data shows a downwards trend in the number of
spills occurring during the wet seasons.
17 of 30
SSO Reduction Program: Annual Compliance Report, August 2011
spills. In terms of volumes spilled, these causes are responsible for 9.4 percent of the volume from
SSOs and 20 percent of the volume from PLSDs.
--11111-11----------- ..................... ...........
Percent of SSOs and SSO Volume by Cause
(112/2007 to 1/31/2011)
45.0%
40,0%
34,31/6
35.0%
30-01%
25.0%
21.4%
20,0%
CAD
15.3%
15.0%
11.41A
'10.0%
3.9% 5.3% 4.7%
5.0%. 3.2% 2-3-1
0.9% 0.6%0.1% 0.0%a.0%,
,0%0.0%
0.0% MM
E
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.2
a 8 2)r 'E
> B 0
(U 3 g r-
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CL a: 0
.. .. .........
m%of Total SSO Volume
Figure 15- Percent SSOs and SSO Volume by Cause
...................... .......
Percent PLSDs and Percent PLSD Volume by Cause
(11212007 to 1/3112011)
65.0%-
60.0%-
55.0%-
50.1%
45.0%-
40.0%-
35.01/6-
30.3%
30,0%-
24.7%
25.0%- -
g
19.5%
20.0%-
14A%
10.0% 85%
6,9% 7.4%
4,5%
5.0% 1 M
2,1% 1.41% 1.0% 1.0% 0.5% 0.0% 2.5%
D'O% 0.0%
IN
0.0% 117--frownF
0 7 Cc
2-0
CU
CL
is c 0
..............................---------------------
11%of Total#of PLSDs n%of Total PLSD Volume
.............
Figure 16- Percent PLSDs and PLSD Volume by Cause
22 of 30
SSO Reduction Program: Annual Compliance Report, August 2011
The "other" category noted in the charts includes the following causes for SSO and PLSD spills:
unknown cause, multiple causes, vandalism, operator error, maintenance, improper installation,
valve failure, failure from diversion during construction, siphon failure, inappropriate discharge, and
non-sanitary sewer system related.
D. Sewage Spills by Pipe Characteristics
Pipe Diameter–SSO and PL&D report data indicates: (1) that many enrollees are not reporting
the sewer diameter in their reports (69 percent for SSOs and 73 percent for PLSDs) and (2) that at
least 27 percent of SSOs and at least 31 percent of PLSDs occur in pipe sizes of 8 inches or less.
It is expected that smaller diameter pipes would be affected to a higher degree by the common
causes of SSOs and PLSDs noted above (i.e., root intrusion, grease deposition, and debris).
Pir)e Material –SSO and PLSD report data indicates: (1) that many enrollees are not reporting the
pipe material in their reports (71 percent of SSOs and PLSDs reported) and (2) that at least
59 percent of the reported SSOs and PLSDs occur in vitrified clay pipes (VCP). This result is likely
due to the prevalence of VCP in sanitary sewer systems piping in the state. Increased
thoroughness in reporting would help to clarify any relationship between pipe material and SSOs
and PLSDs.
Sewer A –As illustrated in Figure 17, 35,000 miles, about 32 percent of the publicly owned
sanitary sewer system piping in the state, is older than 51 years. (Because the age information
was collected a year ago, the time periods are offset one year).
Publicly Owned Sewer Pipe Age Distribution
for the State of California
40
35.1
35
ae 30
E 26.9
25
M W
23.3
20
ar
Ya
15 14.0
10
_j W
7.8
5
0+- I
0.11 12-31 32-51 52-71 72-91 92-111 111'+
Age of Pipe(yrs)
—-—-------- .......................................... ----------------------------
Figure 17– Publicly Owned Sewer Pipe Age Distribution for the State of California
23 of 30
SSO Reduction Program: Annual Compliance Report, August 2011
Sanitary sewer systems throughout the state are aging, with some segments of pipe over
90 years. In general, older sanitary sewer system pipe require more operation and maintenance
than newer segments of pipe. In addition, deteriorating older sanitary sewer systems could be a
cause of SSOs and eventual replacement or rehabilitation might be necessary.
E. Regional Spill Trends
The reported percentage of the state population served by sanitary sewer systems in each region
is presented in Figure 18. The data indicates that the San Francisco Bay, Los Angeles, Central
Valley-Sacramento, Santa Ana, and San Diego regions account for most of the population served
by sanitary sewer systems in the state.
The percentage of reported SSOs by Regional Water Board is also presented in Figure 18. The
data indicates: (1) that the San Francisco Bay, Central Valley-Sacramento, and Los Angeles
regions account for 81 percent of reported spills in the state (San: Francisco Bay = 34 percent,
Central Valley-Sacramento = 38 percent, Los Angeles = 9 percent) and (2) that about
52 percent of the publicly owned sanitary sewer system piping in the state is in the San Francisco
Bay, Central Valley-Sacramento, and Los Angeles regions.
Regional Trends in Number of SSOs and Miles of Public Sewer Pipe
(9/212007 to 1/31/2011)
451/o -
..............
OPercentage of SSOs
40% - 38%
ElMflesof SewerSysteml
349x'
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.... .................................. -------- ...............................................................
Figure 18— Regional Trends in Number of SSOs and Miles of Public Sewer Pipe
Figure 19 shows the statewide distribution of SSO volume by Regional Water Board. The data
indicates: (1) that the San Francisco Bay and San Diego Water Boards account for 67 percent of
reported spill volume in the state (San Francisco Bay = 51 percent, and San Diego = 16 percent)
and (2) that 76 percent of the reported spill volume reaching surface water results from spills in the
San Francisco Bay and San Diego Water Board regions.
24 of 30
SSO Reduction Program: Annual Compliance Report, August 2011
Of note in both Figures 22 and 24 is the difference in mean and median rates. The median rate is
the rate at which half the sanitary sewer systems in the category have rates higher and half have
rates lower. The mean is the sum of the rates of all sanitary sewer systems in the category divided
by the number of systems in the category. The difference between the mean and median rates
indicates that a number of sanitary sewer systems are performing significantly poorer than others
and these poor performers are driving the average rates well above the median rates.
G. Summary of Reported Spill Data
SSO data collected since January 2, 2007, indicates that 90 percent of the volume of sewage
spilled in the state has occurred from only 54 out of 1,081 sanitary sewer systems enrolled in the
SSS WDRs. A summary of the twenty sanitary sewer systems with the largest volumes of spilled
sewage (i.e., spills greater than 50,000 gallons) ranked from highest volume of sewage spilled to
lowest volume of sewage spilled since reporting, was required is presented in Table 2 below. The
change in rankings since the 2009 and 2010 Annual Compliance Reports are also noted. Where a
dash is noted in the 2009 or 2010 rank, this indicates the sanitary sewer system was not ranked in
the top twenty in 2009 and/or 2010.1
As illustrated in Table 2, a range of sanitary sewer systems are among the twenty sanitary sewer
systems with the highest volumes of spiked sewage. All of the sanitary sewer systems on the list
serve municipalities and they range from 51 to 6,147 miles of pipe and service populations from
approximately 5,500 to 4 million. Sixty percent of the twenty sanitary sewer systems are in the
San Francisco Bay Water Board region and San Diego Region Water Board region with 6 sanitary
sewer systems in each region.
2 Richmond City CS 130,000 202 21 1 :�i 4
9 Carlsbad MWD CS 69,100 287 2 2 2 1
8 Running Springs CS 5,632 68 1 3 -
9 La Salina WWTP,Oceanside CS 180,000 490 2 4 -
2 San Mateo CS 94,650 236 20 5 3 2
2 Town Of Hillsborough CS 10,983 117 10 6 5 3
2 San Dist#1 of Marin CS 50,000 204 2 7 - -11K G,
9 Santa Margarita Water District CS 153,000 777 1 8 7 L
3 Vandenberg Village Csd CS 6,000 38 1 9 - -
2 San Bruno City CS 40,165 118 5 10 6 5 Liql-
7 Coachella Valley Water District CS 267,260 1,161 3 11 18 18
7 Calexico CS 38,000 78 1 12 -
9 City Of La Mesa CS 55,724 155 2 13 -
5S Sacramento Area Sewer District CS 1,100,000 4,363 3 14 11 10
9 IPadre Dam CS 59,000 166 1 is
6A Susanville Csd CS 9,960 51 1 16 7 6
2 Sonoma Valley County S.D.CS 44,706 135 5 17 15 14
4 Hyperion CS 4,000,000 6,147 5 18 - -
9 San Diego City CS 2,140,000 5,147 2 19 8 16
3 Marina Coast Wd CS 32,000 154 1 20
Table 2-Sanitary Sewer Systems with Larger Volumes of Spilled Sewage(Twenty Highest)
30 of 30
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Item No.V.c,
i°"roirn Rob Hamers<robh2(@-cox.net>
Sub�ectm Backup Power
Date October 7, 2011 10:21:14 AM PDT
To� Scott Carroll<scarroll@cmsdca.gov>
Cc� Steve Cano<scano@cmsdca.gov>, Yefim Tsalyuk<tsalyuk@verizon.net>
Hi Scott,
At the WDR Steering Committee yesterday, I discussed backup power and the San Diego power outage with the group and
asked for everyone's opinion on whether the State Water Boards believes an agency is obligated to provide backup power to all
its facilities during an outage. Everyone agreed they believe the Water Boards feel backup power is feasible and the
responsibility of the agency. For instance, San Clemente has 16 standby generators and other backup equipment and they had
no spills during their 8-hour outage that occurred during the San Diego event. Another person quoted a State,Water Board
statement that the Region 9 Water Board was disappointed that San Diego did not have backup power that would have avoided
an earlier spill.
The CMSD should consider these opinions and l believe you are acting properly in attempting to provide standby power at all
our facilities.
Thanks,
Rob fffaixiers, PE,
Cf,)s,r,,, NLF�-,'A D
628 W 19"" Sfted Costa Mesa, CA, 92627
pliori.e (949) 631 1731 k cell (714� 293-2727 � f'ax (949) 548-6516
Irvine office '21-nail: robh2Ca)cox.net I Costa Mesa ofTice erriail: rbhfi c@,,pL
.............. (mm bpjjtr �!,
Itern No.VI.
Another in a series of Sewer System Education Seminars hosted by the
Orange County Waste Discharge Requirements (INDR) Steering Committee....
THE E
No-Dig Sekisui Spiral Wound U17ers
for Gravity Pipeline Rehabilitation
HOSTED BY
Jacquie Jaques
Business Development- Western Region
Sekisui SSPRA
818-415-8164
Presentation
Overview of Sekisui Spiral Wound Liners
• SPR EX— Tight fitting PVC, lining solution for 6" — 30" host pipes
• SPR PE, — Fixed diameter grouted H!PDE lining solution with
encapsulated steel reinforcement for 32" — 120" host pipes
• SPR— Fixed diameter grouted PVC lining solution with external
steel reinforcement for 18"— 144" and larger including circular
and non- circular applications
➢ Questions and Answers
Attendance by engineers, maintenance staff
arid' general group members recommended
Date &Time: Thursday, October 20, 2011 from 9:30-11-30 AM
Location: Courtyard Center
12732 Main Street, Garden Grove, CA
(_! ��_ (of Eucfid, bcNreen Garden Grove Blvd&Lampson)
Please arrive early as the program will begin at 9:30 A.M