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 Pentwater, Michigan (Round 2)

Site Information
Location: Pentwater, MI
Population: 800
Address: 327 Hancock St.
Pentwater, MI 49449
Contact: Tim Taylor, Village Manager
231-869-8301, x7
Demonstration Site: Well Field, Well #2
Enclosed Space: 100 ft2
Source Water: Ground Water
Maximum Daily Flow: 400 gpm
Existing Treatment: Phosphate, Chlorination
Arsenic Removal Technology: Kinetico Iron Removal Oxidation, Macrolite Filtration
Disposal Option: Sewer


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 N/A
Six-month report cleared N/A
Final report cleared N/A


Source Water Quality
Analysis mg/L Analysis mg/L
Total As 0.018 pH – Units N/A
As (III) N/A Ca N/A
As (V) N/A Mg N/A
Fe 0.550 Na 58
Mn N/A Chloride 148
PO4 – P N/A Hardness as CaCO3 188
SiO2 N/A T. Alkalinity as CaCO3 N/A
SO4 <5 TOC N/A

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 Pentwater, MI, Drinking Water (PDF) (2 pp, 144 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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