2
3 4
1
1
2
3
4
5
6
Fort Collins, CO
Cumberland, WI
Spencer, WI
6
5
Clintonville, WI
Palatka, FL
Sarasota, FL
found only six that produced water. The City also has to
deal with treating the naturally occurring arsenic in that
water supply. Arsenic is tasteless, odorless, and
colorless, but is considered a carcinogen.
In 2007, the Environmental Protection Agency
lowered the allowable level of arsenic in potable water
from 50 parts per billion (ppb) to only 10 ppb. Clintonville
was at 14 ppb, and suddenly the water residents had been
drinking for years was out of compliance with regulations.
The well with the arsenic problems was its largest with
double to triple the capacity of the City’s other wells.
“The water quality didn’t change – the regulation did,”
said Lisa Kuss, city administrator. “The most challenging
part was simply understanding what the regulation changes
meant and coming up with a system that complied with the
changes. Ayres Associates was helpful in communicating
changes to the community and keeping the council and
utility board educated and informed.”
Clintonville undertook major improvements that
included an arsenic removal system; a 500,000-gallon
prestressed concrete ground storage reservoir; a
2,500-square-foot booster station; four well pump
modifications; six chemical feed system modifications; two
well station reconstructions; four well station
modifications; 3,000 linear feet of transmission mains,
including a directionally drilled river crossing; and a new
supervisory control and data acquisition (SCADA)
system. Ayres Associates helped the City acquire a
Community Development Block Grant for Public
Facilities to assist with project funding.
“They revamped the entire system,” said Ayres
Associates design engineer Erik Lietz. “It improved the
system storage and reliability in addition to improving
water quality.”
The northern Wisconsin community of Cumberland is
putting finishing touches on a new 600,000-gallon water
tower that will double the City’s water storage capacity.
“Cumberland has been fortunate enough to grow a little,
and we needed to have an additional supply of water,”
said Chuck Christensen, general manager for Cumberland
Municipal Utilities. “We are blessed with
having several large industries
for a small town, so we
needed additional
water