CSO Program Stakeholder Workgroup: Meeting #8 System Master Plan Control Options City Hall – Council Chambers September 6, 2012 1
Welcome & Introductions • City Representatives – Julia Forgue – Director of Utilities • CH2M HILL – Peter von Zweck – Project Manager – Becky Weig – Public Involvement – Jen Reiners – Water Resources Engineer • Stakeholder Workgroup Participants 2
Meeting Agenda • Overview of the Program Schedule • Approval of Previous Minutes • Parking Lot Follow-up Items • Key Meeting Topics • SMP scenario discussion & results • Discussion of top rated scenario(s) • Development of final scenario for draft SMP • Future Meetings, Wrap-up, Comments 3
Objective for This Meeting The objective for this meeting is to collect comments from stakeholders on a preferred SMP scenario and any alterations to the scenario for draft SMP development. 4
CSO Program Goals Continue to identify & implement the most cost- effective solution for reducing the number of CSOs to a level protective of Newport Harbor and acceptable to the community and regulatory agencies. - From Presentation to Newport City Council by CH2M HILL on March 2011 5
Strategy to Achieve the Goals of the CSO Program 1. Comply with EPA and RIDEM negotiated CAP requirements 2. Achieve reasonable application of water quality standards – Protect King Park Beach – Determine the best use of the Washington St. CSO Facility 3. Maximize use of existing facilities 4. Prioritize capital repair & replacement projects – Invest in sewerage system for next generations 5. Control Operations & Maintenance (O&M) requirements - (minimize need for new capital facilities) 6. Identify a program & an implementation schedule that is affordable to Newport customers 6
OVERVIEW OF THE STAKEHOLDER WORKGROUP 7
Schedule of Stakeholder Meetings 2011 2012 J F M A M J J A S O N D J F M A M J J A S O N D Meeting #1 - Overview CSO System Tours Meeting #2 - Metering & Extraneous Flow Investigations Meeting #3 - GIS, CMOM & WPCP Meeting #4 - Harbor Water Quality We are here Meeting #5 - Financing & Rates Meeting #6 - Alternatives Evaluation Process Meeting #6a - Alternatives Evaluation Process Cont. Meeting #6b - Alternatives Evaluation Process Cont. (if needed) City meeting with EPA & RIDEM (July 16, 2012) Meeting #7 - Draft Collection System Capacity Assessment & SMP Meeting #8 - Updated SMP SMP - Final to EPA The first 5 meetings focused on existing conditions in the collection system, the harbor and rates. The last 5 meetings focus on future conditions including: evaluation criteria, technologies, expected benefits, costs and implementation schedules. 8
Stakeholder Workgroup Mission Statement • To review proposed plans and projects for the Program and provide recommendations to the City about the potential benefits and impacts of proposed plans and projects to all users of the system. • To share Program plans and project information with each stakeholder’s organization to aid the City in its efforts to communicate Program information. • To support the Program’s public education efforts through participation in public education activities. 9
PREVIOUS MEETING’S MINUTES 10
PARKING LOT FOLLOW-UP ITEMS 11
STAKEHOLDER SURVEY DISCUSSION & RESULTS 12
Discussion of Stakeholder Survey • Purpose: To identify the SMP scenarios that stakeholders believe will best achieve stakeholder priorities & program goals • Share with the group: – Highest rated priority criteria & why – Highest rated scenario & why 13
Results of Stakeholder Survey – Priority Criteria Priority Criteria Ratings 4.0 3.7 3.5 3.5 3.0 2.7 2.7 2.5 2.5 Average Rating 2.0 Average Criteria 1.5 Rating 1.0 0.5 0.0 Compliance w/CWA Keeping rates under/at Meet WQ Standards in Suport Designated Uses in Compliance Requirements affordability limits Newport Harbor Newport Harbor w/Implentation Schedule in CD 14 Priority Criteria
Results of Stakeholder Survey – SMP Scenarios SMP Alternatives Survey 500 Compliance with 450 Implementation Schedule in Consent Decree 400 350 Supporting designated uses in Total Rating Score Newport Harbor 300 250 Meeting WQ standards in Newport Harbor 200 150 Keeping rates at/under 100 affordability limits 50 0 Compliance with Clean Water BL PC T1 T2 T3 S1 S2 S3 C1 M1 M2 M3 M4 Act Requirements SMP Scenario Code 15
DISCUSSION OF TOP SMP SCENARIO & SELECTION FOR DRAFT SMP 16
Top Rated SMP Scenario – C1 • Components: • Advantages: – Baseline projects – Improves and manages O&M costs – WPCP upgrades & expansion – Almost achieves elimination – Conveyance Improvements at Wellington CSO Facility for – I/I Reduction via Downspout 10-year storm Disconnections – Good $/gallon CSO removed • Disadvantages: – Requires high level of I/I removal on private property for downspout disconnection – Does not achieve CSO elimination at Washington for even 2-year storm 17
Water Quality Benefits for Scenarios – Reduction in Volume for 10yr, 6hr CSO Overflow Percent Reduction 10-Year, 6-Hour Duration Event 100% Wellington Washington 80% Percent CSO Reduction 60% 40% 20% 0% B L PC T1 T2 T3 S1 S2 S3 C1 M1 M2 M3 M4 Scenario 18
Water Quality Benefits for Scenarios – TSS Load for 10yr, 6hr TSS Load for 10-year, 6-hr duration event 10,000 Additional Storm Water 9,000 WPCP Washington CSO 8,000 Wellington CSO 7,000 6,000 TSS Mass Load (lb) 5,000 4,000 3,000 2,000 1,000 - EC BL PC T1 T2 T3 S1 S2 S3 C1 M1 M2 M3 M4 19 Scenario
Water Quality Benefits for Scenarios – BOD Load for 10yr, 6hr BOD Load for 10-year, 6-hour duration event 10,000 Additional Storm Water 9,000 WPCP Washington CSO 8,000 Wellington CSO 7,000 6,000 BOD Mass Load (lb) 5,000 4,000 3,000 2,000 1,000 - EC BL PC T1 T2 T3 S1 S2 S3 C1 M1 M2 M3 M4 Scenario 20
Water Quality Benefits for Scenarios – Fecal Coliform Load for 10yr, 6hr Fecal Coliform Load for 10-year, 6-hour duration event 1.20E+11 Additional Storm Water WPCP Washington CSO 1.00E+11 Wellington CSO 8.00E+10 Fecal Coliform Load (MPN) 6.00E+10 4.00E+10 2.00E+10 0.00E+00 EC BL PC T1 T2 T3 S1 S2 S3 C1 M1 M2 M3 M4 21 Scenario
Discussion of Top SMP Scenario & Selection for Draft SMP • Share with the group: • What you like about the top scenario • If desired, what you would alter on the top scenario • Following discussion, as a group, identify the preferred scenario (with alterations, if desired) to be evaluated for the draft SMP 22
Next Steps for the SMP • Evaluate selected scenario – Mix of controls – Facility sizes – Run a typical year – Recalculate loads • Prepare Implementation Plan – Strategies for implementation – Schedule for construction – Determine rate impacts 23
NEXT MEETING 24
Next Meeting Topic: System Master Plan Draft • Recommended Controls • Program Costs • Implementation Strategies • Implementation Schedule Date: September 27, 2012 Time: 3:00 PM Location: Council Chambers 25
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