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Home My WebLink About2016.03.09_ Board of Selectmen Public Meeting_RB revised NANTUCKET WASTEWATER PLAN UPDATE 4 Fairgrounds Road Community Room Wednesday, March 9, 2016 6:00 pm Board of Selectmen Workshop •Current Status of Overall Wastewater Planning –Comprehensive Wastewater Management Plan (CWMP) Update –Surfside WWTF Improvements Project –Sewer Extension Implementation Plan •Nantucket Harbor Shimmo •PLUS –Estimated Project Costs and Capital Cost Recovery Plan •Betterments •Property Taxes –April 2016 Annual Town Meeting Actions Agenda 1 Comprehensive Wastewater Management Plan Update •Incorporates Massachusetts Estuaries Program Results Into Recommended Plan –Nitrogen Reduction to Meet Total Maximum Daily Loads (TMDLs) •Ranks “Areas of Need” •Septage Management Solutions –Board of Health Local Regulations •Full Use of Surfside WWTF Permit - Flows –Madaket WWTF Eliminated •20-Year Planning Document 2 Structured Nitrogen Reducing Solutions •Address all Needs Areas With a Plan Defined as a Structured, Iterative Process and Adapt As Necessary –Sewer Expansion •Aim to Reduce Nutrient Loading Over Time – Water Quality Monitoring Program –Start With Plans That Give the Town the Biggest Bang for its Buck •Add or Reduce Solutions as Needed to Meet Established Thresholds –Hummock Pond Breach – Jetties Reconstruction –Sesachacha Pond Breach Adaptive Management Plan to Meet Nitrogen Reductions 3 Non-Structured Nitrogen Reducing Solutions •Septage Management Plan –Pumping Incentive –Innovative/Alternative Systems •Fertilizer Management –Education and Enforcement of Local Regulations •Stormwater Management –Island-wide –Known Direct Discharges Adaptive Management Plan to Meet Nitrogen Reductions 4 Nitrogen Pollution From Land Uses 5 Septic Systems and Nitrogen Pollution Impacts ALGAE BLOOMS DYING EEL GRASS WEED GROWTH 6 Comprehensive Wastewater Management Plan Update Final Recommended Plan 7 Surfside WWTF Improvements Project Update •MassDEP Approved Expansion Up to 4.0 MGD –Supports All Needs Areas From CWMP Update –No Additional Discharge Beds Needed –Groundwater Discharge Permit – Monitors Water Quality Testing at TMDL Locations •MassDEP Approved State Revolving Fund (SRF) Loan at Zero Percent Interest – 20 Years •Highest and Best Use of Surfside WWTF –Madaket WWTF Eliminated •Final Improvements Project Out to Bid Summer 2016 –$8.8M 2015 ATM Approved Project - Currently Under Design 8 Aerial View of Surfside WWTF 9 April 2, 2016 ATM Sewer Implementation Plan Design & Construction of “Nantucket Harbor Shimmo” and “PLUS” •Phase 1 - Nantucket Harbor Shimmo (Formerly Called Monomoy) •If Approved – Construction Starts 2017 •Phase 2 - PLUS (Larger Neighborhood In-fill Areas Within or Adjacent to the Existing Town Sewer District) •If Approved – Construction Starts 2019 10 2016 Annual Town Meeting Sewer Locations 11 Phase 1 Sewer Location 12 Phase 2 Sewer Location 13 Overall Estimated Project Costs Phase 1 – 2017 Cost Estimate –Nantucket Harbor Shimmo (Formerly Called Monomoy) –Design - $ 2,782,916. –Construction - $25,046,246. TOTAL $27,829,162. Phase 2 – 2019 Cost Estimate –PLUS (Larger Neighborhood In-fill Areas Within or Adjacent to the Existing Town Sewer District) –Design - $ 1,309,821. –Construction – $11,788,385. TOTAL $13,098,206. 14 Funding & Financing: Capital Recovery Plan •SRF Loan at Zero Percent Interest –Paid Over 30 Years –Costs Savings •$13,500,000 Over Life of Loan •Costs to be Apportioned •Betterments –25 Percent to Property Owner •Taxpayers –75 Percent on General Tax 15 Funding & Financing: Estimated Betterments 16 •Nantucket Harbor Shimmo –$20,300 for Primary Dwelling = 1 SEU –$10,150 for Secondary Dwelling (where applicable)=.5 SEU Total $30,450 –Financed over 30 Years - Estimated at $90.12 Month •PLUS –$11,800 for Primary Dwelling = 1 SEU –$ 5,900 for Secondary Dwelling (where applicable)=.5 SEU Total $17,700 –Financed over 30 Years - Estimated at $52.17 Month Estimated Project Costs to Taxpayers 17 Using Average Assessed Property Values, the following are the Estimated Annual Cost Impacts to the Taxpayers for Each Project: •Average Assessment of $1,784,378 –Nantucket Harbor Shimmo - $66.55 –PLUS - $31.32 •Average Assessed Value of $1,144,544 Year Round Residential –Nantucket Harbor Shimmo - $42.69 –PLUS - $20.09 Estimated Private Property Costs 18 Average House Connection Costs May Include: •Permitting, Installation of House Connection & Abandoning Septic System –Base Average $4,000 –Landscaping/Restoration – Individual and Site Specific •Sewer Connection Fee Includes: –Administrative Costs to Connect - $500 for April 2016 ATM Projects •Sewer User Fee includes: –Annual Cost to Maintain Sewer - Estimated at $1,200 per year •Privilege Fee Includes: –Fee to Offset 2005/2006 Surfside WWTF Upgrades - $6,322 •May Be Electrical / Plumbing Work – Site Specific Estimated Project Costs to Taxpayers 19 Using Average Assessed Property Values, the following are the Estimated Annual Cost Impacts to the Taxpayers for Each Project: •Average Assessment of $1,784,378 –Nantucket Harbor Shimmo - $66.55 –PLUS - $31.32 •Average Assessed Value of $1,144,544 Year Round Residential –Nantucket Harbor Shimmo - $42.69 –PLUS - $20.09 2016 Annual Town Meeting •Two Warrant Articles: –“Nantucket Harbor Shimmo” and “PLUS” •Adding Needs Areas Parcels to Town Sewer District •Approve Design and Construction •2016 ATM Follow Up –Ballot Questions on April 12, 2016 20 What If We Choose To Do Nothing? The Town has been issued TMDLs (a regulatory term in the U.S. Clean Water Act, describing a value of the maximum amount of a pollutant that a body of water can receive while still meeting water quality standards for the subject estuaries) in Nantucket, Polpis and Madaket Harbors, as well as Sesachacha Pond and has an order pending in Hummock Pond. If the Town chooses NOT to do anything, EPA with MassDEP has the authority to issue orders with fines to mandate restoration of the Town’s waters under its own terms and conditions. 21 And what Would Doing Nothing Cost Us? –We Will Lose SRF Funding •This Amounts to $13,500,000 –Increased Construction Costs –We Will Lose the Local Control of the Projects –Administrative Consent Order Determines: •When to Do the Project •How to Do the Project •How to Pay For the Project 22 Board of Selectmen Wastewater Plan Update QUESTIONS & ANSWERS Board of Selectmen Wastewater Plan Update BACK-UP SLIDES Contributing Areas to Waters Nantucket Harbor TMDL Locations Madaket Harbor TMDL Location Sesachacha Pond TMDL Location TMDL Location Hummock Pond TMDL (pending) Location TMDL Location Excerpt from Nantucket Harbor TMDL from MassDEP: