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 Arnaudville, Louisiana (Round 2)

 
Site Information
Location: Arnaudville, LA
Population: 4,000
Address: United Water System
1004 Twin Oak Dr.  
Arnaudville, LA
Contact: Joseph Trahan, Manager
337-280-6236
Tommy Taylor, President
337-754-5951
Demonstration Site: Well #1 and Well #2
1004 Twin Oak Dr.
Enclosed Space: None
Source Water: Ground Water
Maximum Daily Flow: Well #1: 292 gpm
Well #2: 292 gpm
Existing Treatment: Aeration, Cl2, Filtration, IX Softening, Blending,
Post-Cl2, Phosphate
Arsenic Removal Technology: Kinetico Iron Removal Oxidation, Macrolite Filtration
Disposal Option: Backwash Pit

 

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 · Well #1
Analysis mg/L Dist.
System		 spacer Analysis mg/L Dist.
System
Total As 0.018 0.019 Arnaudville, LA pH – Units 7.3 N/A
As (III) N/A N/A Ca N/A N/A
As (V) N/A N/A Mg N/A N/A
Fe 1.84 0.07 Na 27 113
Mn 0.11 N/A Chloride 42 N/A
PO4 – P N/A N/A Hardness as CaCO3 N/A 42
SiO2 N/A N/A T. Alkalinity as CaCO3 309 N/A
SO4 0.3 N/A TOC TOC N/A

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

Source Water Quality · Well #2
Analysis mg/L Dist. System spacer Analysis mg/L Dist. System
Total As 0.024 0.019 Arnaudville, LA pH – Units 7.2 N/A
As (III) N/A N/A Ca N/A N/A
As (V) N/A N/A Mg N/A N/A
Fe 1.63 0.07 Na 15 113
Mn 0.10 N/A Chloride 6 N/A
PO4 – P N/A N/A Hardness as CaCO3 Hardness as CaCO3 42
SiO2 N/A N/A T. Alkalinity as CaCO3 315 N/A
SO4 0.6 N/A TOC N/A N/A

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

Contact

Tom Sorg
513-569-7370

See Also

Fact Sheet, EPA’s Water Treatment Demonstration Project to Reduce Amount of Arsenic in Arnaudville, LA, Drinking Water (PDF) (2 pp, 80 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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