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 Climax, Minnesota (Round 1)

Site Information
Location: Climax, MN
Population: 264
Address: P.O. Box 214
City Hall
Climax, MN 56523
Contact: Gayheart Gunderson
Demonstration Site: Climax Water Department
Enclosed Space: 1,000 ft2
Source Water: Ground Water
Maximum Daily Flow: 300 gpm
Existing Treatment: Chlorination + Fluoridation
Arsenic Removal Technology: Kinetico Oxidation, Co-Precipitation, Filtration
Disposal Option: Sanitary Sewer to Lagoon


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 Completed


Source Water Quality
Analysis mg/L Analysis mg/L
Total As 0.038 avg. pH – Units 7.6
As (III) N/A Ca 74*
As (V) N/A Mg 25*
Fe 0.85* Na 170
Mn 0.145 Chloride 180
PO4 <0.065* Hardness as CaCO3 256
Si 13* T. Alkalinity as CaCO3 325
SO4 114 TOC N/A

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


Tom Sorg

See Also

Fact Sheet, EPA’s Water Treatment Demonstration Project to Reduce Amount of Arsenic in Climax, MN, Drinking Water (PDF) (2 pp, 88 KB) March 2005

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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