Table 1, Minimum Well and Borehole Setback Distances
| |
---|---|
Setback From
|
Potable Water Supply Well, Borehole, Geothermal Supply and Geothermal
Return Well
(feet)
|
Lakes, ponds, streams or other surface waters
|
25
|
Storm drains, retention basins, stabilization ponds or stormwater
management facilities
|
10
|
Preparation area or storage area of hazardous spray materials,
fertilizers of chemicals, salt piles
|
100
|
Gravity sewer lines and drains carrying domestic sewage or industrial
waste
|
50
|
Existing water and forced sewer buried utilities and/or utility
trenches
|
Outside existing easement or, if no easement exists, no less
than 15 feet from the utility or trench center line
|
Septic tanks, aerobic tanks or holding tanks
|
50
|
Subsurface sewage disposal systems, elevated sand mounds, other
sewage disposal fields
|
100
|
Sewage seepage pits, cesspools, privies
|
100
|
Farm silos, barnyards, and fuel tanks
|
100
|
Rainwater pits, ditches
|
25
|
Spray irrigation sites, sewage sludge and septage disposal sites
|
100
|
Dedicated public right-of-way
|
20
|
Building foundations (except for buildings enclosing water wells
and/or water well pumps and any other source of pollution as approved)
|
30
|
Table 2, Volume of Chlorine Bleach for Shock Chlorination of
Wells and Springs
| ||||||
---|---|---|---|---|---|---|
Water Depth
(feet)
|
Well Diameter
(cups*)
| |||||
6 inches
|
8 inches
|
10 inches
|
24 inches
|
32 inches
|
36 inches
| |
10
|
1
|
1
|
2
|
12
|
16
|
24
|
20
|
1
|
2
|
4
|
20
|
32
|
40
|
30
|
2
|
4
|
6
| |||
40
|
2
|
4
|
8
| |||
60
|
4
|
6
|
12
| |||
80
|
4
|
8
|
14
| |||
100
|
6
|
10
|
16
| |||
150
|
10
|
16
|
NOTES:
| |
*
|
Cup (c) is defined as eight liquid ounces.
|