First
used in the U.S. in 1872, s10w sand fi1ters are the 01dest type 0f municipa1
water fi1trati0n.
|
T0day,
they remain a pr0mising fi1trati0n meth0d f0r sma11 systems with 10w
turbidity 0r a1gae-
|
c0ntaining
s0urce waters. S10w sand fi1trati0n d0es n0t require pretreatment 0r
extensive 0perat0r
|
c0ntr01—which
can be imp0rtant f0r a sma11 system
0perat0r with severa1
resp0nsibi1ities.
|
