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MONDAY MAY 7, 2012.  Pump tests – Districts G, H, and NRHS  Quantity and quality of water  All required well source permitting for up to 1 MGD from.

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Presentation on theme: "MONDAY MAY 7, 2012.  Pump tests – Districts G, H, and NRHS  Quantity and quality of water  All required well source permitting for up to 1 MGD from."— Presentation transcript:

1 MONDAY MAY 7, 2012

2  Pump tests – Districts G, H, and NRHS  Quantity and quality of water  All required well source permitting for up to 1 MGD from each site.  Feasibility and costs of obtaining 0.5 MGD or more water from Orleans 2

3 Images courtesy of Woods Hole Research Center. 3

4 Saltwater Lens (Modified from Masterson 2004) 4

5 Nitrate c Downgradient well Leach field Household Products Pharmaceuticals ONE MGD 5

6 6 Source: Cape Cod Commission

7 7

8 NITRATE RANGE MG/L DEGREE OF IMPACT 0 - 2NATURAL BACKGROUND 2 - 5BEGINNING TO SHOW IMPACT 5-10SIGNIFICANT IMPACT (CAPE COD STANDARD) ABOVE 10ABOVE HUMAN HEALTH STANDARD (EPA) 8 MORE NITROGEN = MORE CONTAMINANTS 5 PPM NITRATE --- WELL WATER IS 1/8 RECONSTITUTED WASTEWATER (COUNTY HEALTH DIRECTOR)

9  Sampled private wells across the Cape  Tested for “Emerging Contaminants” from septic systems: 27 detected Pharmaceuticals Cleaning Solutions Flame retardants Hormones Metals Insect Repellents Personal Care Products  Possible health effects, unregulated, untested 9

10  “Short circuiting” is occurring due to small lot size and large number of wells and septic systems;  High number of samples > 2mg/L validates that entire groundwater system is showing nitrogen impacts from septic systems 10

11 70% of single family residences (7 out of 10 homes) exceed the Title 5 standard for density on nitrogen sensitive lots – Eastham

12 . Supply Sources NRHS:.88 MGD District G:.99 District H 1.3 MGD 12

13 WELLFIELDS TRANSMISSION MAINS STORAGE TANKS CONNECTION OPPORTUNITIES: 1391 total 1157 residential 68 commercial 166 other 13

14 1126 Connections 95% Fire protection 14

15 1117 Connections 15

16 1079 Connections 16

17 1502 Connections 17

18 Seashore Area 284 Connections 18

19 Total Cost: $111M Includes: Final Design/Specifications and Bidding Construction/Construction Management OPM Inflation Contingencies 19

20 YEAR TAX IMPACT / $1,000 TAX / $400K HOUSE 2015$0.23$ $1.40$ $2.08$ $0.06$24.40 OVER PERIOD TOTAL MUNICIPAL DEBT PAID: $135.9M TOTAL PAID FOR AVERAGE $400K HOUSE:$16,768 20


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