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 Tehachapi, California (Round 2)

Site Information
Location: Tehachapi, CA
Population: 7,934
Address: Golden Hills Community Service District
P.O. Box 637
Tehachapi, CA 93581
Contact: Jon Curry, Assistant Manager
Demonstration Site: Well C
Enclosed Space: Unknown
Source Water: Ground Water
Maximum Daily Flow: 100 gpm
Existing Treatment: Chlorination
Arsenic Removal Technology: MEI Zirconium 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 N/A
Six-month report cleared N/A
Final report cleared N/A


Source Water Quality
Analysis mg/L Analysis mg/L
Total As 0.02, 0.014* pH – Units 8.16
As (III) N/A Ca 53, 51*
As (V) N/A Mg 13, 12*
Fe 0.153, 0.048* Na 24, 31*
Mn <0.01, 0.005* Chloride 14, 15*
PO4 – P <0.065* Hardness as CaCO3 183
SiO2 28* T. Alkalinity as CaCO3 175, 180*
SO4 26, 50* 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 Tehachapi, CA, 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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