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 2012 11

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$93.00 2020$1.40$558.35 2025$2.08$833.81 2045$0.06$24.40 OVER PERIOD 2014 - 2045 TOTAL MUNICIPAL DEBT PAID: $135.9M TOTAL PAID FOR AVERAGE $400K HOUSE:$16,768 20