Jump to main content.

 Delavan, Wisconsin (Round 2)

Site Information
Location: Delavan, WI
Population: 65
Address: N. 4901 Dam Rd.
Delavan, WI 53115
Contact: Deborah Ismail, Facility Manager
Demonstration Site: Village on the Pond
N. 4901 Dam Rd.
Enclosed Space: 300 ft2
Source Water: Ground Water
Maximum Daily Flow: Approximately 50 gpm
Existing Treatment: Softening
Arsenic Removal Technology: Kinetico Iron Removal Oxidation, Macrolite Filtration
Disposal Option: Storage Tank and Septic System


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 N/A
Final report cleared N/A


Source Water Quality
Analysis mg/L Analysis mg/L
Total As 0.025 pH – Units 7.6
As (III) N/A Ca N/A
As (V) N/A Mg N/A
Fe 1.5 Na 10
Mn N/A Chloride 15
PO4 – P N/A Hardness as CaCO3 291
SiO2 N/A T. Alkalinity as CaCO3 188
SO4 10 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 Delavan, WI, Drinking Water (PDF) (2 pp, 124 KB) June 2007

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

Local Navigation

Jump to main content.