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Wet Weather Consent Decree Implementation Update
Planning Committee
September 10, 2014
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Agenda
• Background
• Regional Private Sewer Lateral Ordinance
• Regional Technical Support Program
• Related Discharge Permits
•Next Steps
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Background Consent Decree Status
• Lodged with federal District court July 28, 2014
• Public Comment Period closed September 2, 2014 (no comments received)
• Consent Decree will become effective immediately upon being entered by the court
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Background Key EBMUD Requirements
• Construct and operate Urban Runoff Diversion Project by 2017
• Implement capacity improvement along North Interceptor by 2020
• Conduct annual compliance monitoring and modeling
• Continue Regional Private Sewer Lateral (PSL) Ordinance
Develop and implement a Regional Technical Support Program (RTSP)
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Regional PSL Ordinance Proposed Amendments
• Consent Decree adds new requirement for Public Entities to maintain their sewer laterals (no enforcement requirements for EBMUD)
• Allow Albany and Alameda to join program
– Proposed transition date January 1, 2015
– City of Berkeley will retain its own program
• Clarify ordinance language developed through initial years of implementation
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Regional Technical Support Program (RTSP) - Overview
• Replaces $2M/yr PSL Incentive requirement under Stipulated Order
• Requires $2M/yr to identify and characterize sources of inflow and rapid infiltration
• Cumulative spend requirement
– i.e. $2M by Year 1, $4M by year 2, etc.
– Provides ability to front-load
• Includes staff time for analysis and investigation
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RTSP Overview, continued
• EBMUD identifies sources of inflow and rapid infiltration (I/I)
• EBMUD defines which sources are “high priority”
• Satellite communities pursue high priority sources
– Eliminate public sources within 2 years
– Enforce removal of private sources
• Satellite communities consider non-high priority sources in CIP prioritization
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RTSP Program Significance
• Key element in WWF discharge reduction
– Estimated 15% of excess peak flow originates from inflow (direct sources)
– Model assumes ability to find and remove 75% of inflow
• Critical to meet Consent Decree
– Year 8 “check-in”
– Year 16 “check-in”
– WWF discharge elimination deadlines (2027, 2033, 2035)
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RTSP Implementation Approach
• Consent Decree requires an RTSP Plan describing first five years of work
– Draft to satellite communities early 2015
– Final to EPA for review/comment/approval Spring 2015
• Initial field work will occur concurrent with RTSP Plan development
– 2014-2015 wet season flow monitoring
– 2015 dry season smoke testing, CCTV, etc.
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RTSP Work Plan Development
• Define approach to data analysis and field work
• Maintain flexibility to adapt as we learn
• Learn from others
– I/I investigative programs across the country
– Panel of national experts in sewer system management to support RTSP Plan development
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RTSP Tools and Techniques
• Analysis of data to identify areas of high potential for inflow, for example: – Flow data from EBMUD and satellite communities
– Proximity to creeks and storm drains
– Sewer work records
• Field work to locate and characterize sources – Flow monitoring
– Smoke testing
– CCTV inspection
– Visual inspection 11
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Related NPDES Discharge Permits
• Wet Weather Facilities – Scheduled adoption date November 12, 2014
– Reviewing with RWQCB staff
– No significant issues
• Main Wastewater Treatment Plant – Application due October 2014
– Proposed adoption March 2015
– Key issue: Ensure blending requirements dovetail with WWF permit and Consent Decree
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Next Steps
• Bring proposed Regional PSL Ordinance amendments for Board consideration
• Work with RWQCB on related NPDES permits • Develop initial deliverables for stakeholder
review in early 2015 – RTSP Plan – Flow Model Calibration Plan – PSL Outreach Plan
• Implement initial stages of RTSP data analysis and field work
• Keep Board apprised of key activities 13
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Wastewater Service Area and Major Facilities
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Semi-Annual Regulatory Compliance Update
Planning Committee
September 10, 2014
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Agenda
• Enforcement Actions
• Permit for Potable Water Discharges
• Cal OSHA Inspections
• Safety Culture Perception Survey
• Upcoming Activities
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Enforcement Review
• Strategic Plan KPI = Zero NPDES and Waste Discharge Requirement (WDR) permit Notices of Violation (NOVs) received
– Four NOVs for discharges to water or land
– Two NOVs related to air quality compliance
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Lafayette WTP NOVs
•May 8, 2012 discharge caused by failure of filter control valve
– Modified controls
•March 27, 2013 discharge to sump going to Lafayette Creek
– Added signage at drains “No Dumping – Drains to Creek”
• $6000 settlement agreement
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Upcountry NOVs
• Failure to collect data on pH and temperature at Camanche North Shore Water Treatment Plant in June 2014
– Contesting due to lack of discharge
•Missed sample during 2014 Q2 at Clay Station Raw Water Pumping Plant
– Enhanced communication between staff
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MWWTP NOV Settlement Agreement
NOV for unabated digester gas release on 11/9/13
• 15 minute release through pressure relief valves
• Plugged drain line in flare
• Settlement agreement with $4000 fine
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MWWTP Air Permit NOV
Digester gas release on 11/22/2013
• Failure of flare igniter
• 830 cu. ft. vented through pressure relief valves
• Requested breakdown relief
•NOV issued 7/28/14
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General Potable Water Discharge Permit
• Agreement with SF RWQCB & ABAG to fund person to develop permit
• $298,833 estimated total cost
• Agreement with 7 other agencies to share costs
• District share is $50K
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SF Regional Permit Progress
• 11/20/13 - admin draft issued for review with water agencies
• 5/8/14 - tentative order issued for public comment
• 5/19/14 - public workshop held
• 7/1/14 – permit postponed pending statewide permit
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Statewide Permit
• 6/6/14 – SWRCB issues draft permit
• 8/5/14 – public hearing
• 9/23/14 – permit scheduled for adoption at SWRCB hearing
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Cal OSHA Inspections
• 6 inspections initiated based on employee complaint(s)
• 13 facilities examined and scrutinized
• 2 citations
– Fixed ladder exceeds 30 feet without ladder safety system or landing platforms
– Mid-rail is below the halfway point of the guardrail
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Safety Perception Survey
• 621 of 809 OMD employees surveyed
• Scored in 62nd percentile
• Compared to 750 Companies
•Over 1.5 million responders
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Survey Action Plans
• Communicating results
• Engage employees
• Identify top issues to address
•Develop specific action-oriented countermeasures
• Retake survey in 2 years
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Upcoming Activities
•Work with SFRWQCB, ABAG, and Bay Area water utilities to finalize a permit for potable water discharges
•Work with Local Safety Committees to develop action plans based on safety perception survey
• Review fall protection compliance at water distribution reservoirs
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Questions?
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Orinda Water Treatment Plant
Washwater Tank Rehabilitation
Planning Committee Meeting
Orinda Water Treatment Plant
Washwater Tank Rehabilitation
Planning Committee Meeting
September 10, 2014
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Orinda WTP Washwater Tank Rehabilitation
• Background
• Site Constraints
• Community Outreach
• Design Mitigations
• Next Steps
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Background Orinda WTP circa1938: minimal site constraints
Orinda WTPElevation = 375’
Washwater TankElevation=410’
Source: Google Earth
• 200,000 gallons• At grade• 40 ft. diameter • 22 ft. tall• Bar‐stressed concrete
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BackgroundOrinda WTP and washwater tank today
Orinda WTP
Source: Google Earth
Washwater Tank
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Site constraints Poor access, trees, no staging area
Tank
Property Line
Slope
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Community Outreach
• Approach:
• Notified the community early
• Explained clearly the need for the project
• Provided visual exhibits
• Held community meetings on-site
• Mitigated with design
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50’dia
Proposed Tank:
Existing Tank:
Community Outreach
New tank alternative
New tankalternative
Aerial “footprint” vs. Ground-level visualExisting
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Community OutreachOn-site meetings clarified neighbor concerns
Mailbox access
Tree removal
Architecture preservation
Curb appeal
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Designed Mitigations Adjust retrofit method to site constraints
Manual wrapping minimizes equipment size and tree removal.
Sturdy base anchorages minimizes impact on tank architectural features.
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New fence is set back for a “green zone”
Security fence
Low maintenance plantings for screening
Restore cobbles
Add staging area off-site
Minimize tree removal
Retrofit existing tank
Design Mitigated Site planning neighbor concerns
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Next Steps
• Maintain communications with neighbors
• Schedule:
– Open Bids Sept 17, 2014
– Recommend Award Oct 14, 2014
– Construction Nov 2014 – Mar 2015
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Questions?
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Drought Communications with Billpayers
and with Non-billpayers EBMUD Planning Committee
September 2014
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2
More than a third of EBMUD customers do not get a bill
387,000 accounts
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Non-billpaying residents are ethnically diverse
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Non-billpaying residents are younger
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Print bill payers get information and news regularly from EBMUD
Direct mail to print bill payers:
• Top of bill message
• Prior-year water use
• Back of bill tips
• Customer Pipeline
• Supplemental inserts
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Electronic billpayers get links to EBMUD news and information
E-bill with web links:
– Top of bill message
– Prior-year water use
– Back of bill tips
– Customer Pipeline
– Bill FAQs
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Non-billpayers get most EBMUD news through other sources
Direct mail
• Annual Water Quality Report postcard
Other communication
• Earned media
• Ebmud.com
• Outdoor ads
• Community events
• Presentations 7
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Many more non-billpayers say they can’t rate EBMUD
Q10. Thinking specifically about the East Bay Municipal Utility District, using a scale of excellent, good, only fair, or poor, please rate the overall job East Bay Municipal Utility District is doing
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92%
79%
90%
83%
80%
68%
79%
71%
76%
66%
75%
67%
71%
57%
Bill Payer
Non-Payer
Bill Payer
Non-Payer
Bill Payer
Non-Payer
Bill Payer
Non-Payer
Bill Payer
Non-Payer
Bill Payer
Non-Payer
Bill Payer
Non-Payer
Total Agree
Non billpayers give EBMUD favorable--but lower--ratings
Provides safe tap water
Provides good tasting tap water
Is an agency I can trust
Cares about the environment
Is a reliable source of information
Operates in communities’ best interests
Is responsive to customer service requests
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Conservation rating variance was 13 percent in early 2014
77%
65%
61%
55%
60%
47%
Bill Payer (78%)
Non-paying Renter (22%)
Bill Payer (78%)
Non-paying Renter (22%)
Bill Payer (78%)
Non-paying Renter (22%)
Ensuring the quality of the water we drink
Making sure we have the water supply we need
Encouraging customers to conserve water
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TV news is the top source for conservation information
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7/08 2/08 2007
Television News* 38% 37% 35%
Newspaper 22% 23% 25%
EBMUD Bill insert/newsletter 14% 16% 6%
Radio 5% 12% 9%
Television Commercial 3% -- --
Brochure/Pamphlet 3% 7% 4%
Billboard 2% 4% 4%
EBMUD websites 1% 1% --
Other website 1% 2% --
Other 10% 11% 33%
Don’t Know 1% 5% 3% * In 2/08 and 2007 surveys, “Television” was not split between “News” and “Commercial”
** 2 responses were allowed per respondent in 2/08 and 2007 surveys *** “Other responses include “phone calls” and “letters” from previous EBMUD actions
Where did you see or hear the conservation information?
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In 2014, active media relations has been a focus of outreach
•480 unique interviews with reporters
–218 on drought declaration/water supply
–152 on conservation tips, rebates, rules
•370 news reports featured EBMUD
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Late 2014 proposed outreach intended to reach non-billpayers
• Ongoing
– Earned media, web, presentations, booths, etc.
• October+
– Social media policy
• November
– Updated outdoor media campaign
• December
– Direct mail to non-billpayers
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Semi-Annual Water Quality Report
Planning Committee September 10, 2014
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District’s Water Quality Goals
•Must meet Federal and State Drinking Water Standards
• KPI – Meet 100% of Federal and State Drinking Water Standards
• Strive to meet District’s Water Quality Goals
• KPI – Meet 100% of District’s Water Quality Goals
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•Met all Federal and State Drinking Water Standards
•Met 117 of 119 (98%) District’s Water Quality Goals (WQGs)
– Exceeded the WQGs for TTHMs and NDMA
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• TTHM – Exceeded WQG in 3 of 32 compliance
calculations
– Project underway to alter chemical injection points at Sobrante Water Treatment Plant
•NDMA – Exceeded WQG in 1 of 10 samples
– WateRF Projects •Natural sources of NDMA precursors
•Alternative polymer evaluation
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UCMR 3
• Provide occurrence data to USEPA
• Prelude to potential regulatory action
• 30 unregulated contaminants
• Began monitoring: Fall 2013
• Detected – Chlorate
– Vanadium
– Strontium
– Hexavalent chromium
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Hexavalent Chromium (Cr(VI))
• CA established MCL (10 µg/L) on July 1, 2014
•District began UCMR3 monitoring on Fall 2013
• Cr(VI) detected in UCMR3 samples based on USEPA detection limit (0.03 µg/L)
• Based on CA detection limit (1 µg/L) our UCMR3 data would be reported as nondetects.
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CalEnviroScreen
•Quantitative assessment of pollution burden
– CalEPA Office of Environmental Health Hazard Assessment (OEHHA)
– Identify areas with high pollution burden
• Version 2.0
– Drinking Water
– Finer resolution
– Draft April 2014
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CalEnviroScreen (cont)
• Acknowledge contaminant concentration used may represent untreated water
• Reference to consumer confidence reports
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Potential Regulatory Action
• Candidate Contaminant List (CCL) 4
• Unregulated Contaminant Monitoring Rule (UCMR) 4
•Distribution System Reservoirs Rule
– Asked District staff to provide information on District maintenance practices (October 15, 2014)
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• Research – District operations continues to experience
nitrification
– Beginning work to gain a better understanding of the underlying causes in an effort to improve operations
• Portland Water Bureau – Lead violation
– Boil Water Notice (TCR violation)
– Nitrification
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Questions