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 Goffstown, New Hampshire (Round 2)

Site Information
Location: Goffstown, NH
Population: 105
Address: Orchard Highlands
Appletree Dr.
Goffstown, NH
Contact: John Blumberg
Demonstration Site: Orchard Highlands
Enclosed Space: 80 ft2
Source Water: Ground Water
Maximum Daily Flow: 22 gpm
Existing Treatment: Aeration for Radon
Arsenic Removal Technology: AdEdge Iron Media AD33
Disposal Option: None


Project Status
Cooperative Research and Development Agreement (CRADA) signed Completed
CRADA approved by legal Completed
EPA/contractor site visit Completed
Contractor/system agreement Completed
Plans submitted Completed
Plans approved Completed
Equipment installed Completed
Study began Completed
Study completed Completed
Six-month report cleared Completed
Final report cleared N/A


Source Water Quality
Analysis mg/L Analysis mg/L
Total As 0.030 pH – Units 7.2
As (III) <0.001 Ca 14
As (V) 0.030 Mg 3
Fe <0.1 Na 8
Mn <0.03 Chloride <6
PO4 – P N/A Hardness as CaCO3 32
SiO2 N/A T. Alkalinity as CaCO3 44

Note: All data provided by utility except as noted.
N/A = Not available


Tom Sorg

See Also

Fact Sheet, EPA’s Water Treatment Demonstration Project to Reduce Amount of Arsenic in Goffstown, NH, Drinking Water (PDF) (2 pp, 140 KB) June 2006

Federal Register Environmental Documents: Arsenic Treatment Demonstrations

How to Participate

Demo Site Information form (PDF) (2 pp, 57 KB)

Frequently Asked Questions

Publications on Arsenic

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