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 Rimrock, Arizona (Round 1)

Site Information
Location: Rimrock, AZ
Population: 2,556
Address: 65 Coffee Pot Dr., #7
Sedona, AZ 86336
Contact: Bill Garfield, Regina Lynde
Demonstration Site: Montezuma Haven 1&2
POE #4&2
4105 East Goldmine Rd.
Rimrock, AZ 86335
Enclosed Space: 4,000 ft2 (50x80)
Source Water: Ground Water
Maximum Daily Flow: 90 gpm
Existing Treatment: None
Arsenic Removal Technology: AdEdge Iron Media
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 0.05 avg. pH – Units 7.2
As (III) N/A Ca 69
As (V) N/A Mg 31
Fe 0.17* Na 35
Mn N/D Chloride 25
PO4 – P <0.065* Hardness as CaCO3 300
Si 13 T. Alkalinity as CaCO3 334
SO4 13 TOC N/A

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


Tom Sorg

See Also

Fact Sheet, EPA’s Water Treatment Demonstration Project to Reduce Amount of Arsenic in Rimrock, AZ, Drinking Water (PDF) (2 pp, 100 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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