|
Sewage
Design
Flow |
Graywater
Design Flow Allowed
(% reduction) |
Graywater
Design Flow Proposed
(% reduction) |
Actual
Flow from Dose Counters
(% reduction) |
Hanson
Residence,
gal/person/day |
75 |
37.5
(50%) |
37.5
(50%) |
19
(75%) |
Hamblin
Residence,
gal/person/day |
75 |
48
(36%) |
37.5
(50%) |
25
(66%) |
Schoonover
Residence,
gal/person/day |
75 |
37.5
(50%) |
37.5
(50%) |
24
(68%) |
Salmon/Crockett
Residence,
gal/person/day |
75 |
37.5
(50%) |
37.5
(50%) |
24
(68%) |
White
Plains Post Office,
gal/day |
250 |
12
(95%) |
12
(95%) |
8
(97%) |
Picturesque
Landscaping,
gal/day |
150 |
10
(93%) |
10
(93%) |
.2
(99%) |
Frederick
Golf Club,
gal/day |
3,000 |
1,000
(33%) |
50
(98%) |
5.6
(99%) |
Lake
Shore Athletic Complex,
gal/day |
1,500 |
180
(88%) |
66
(96%) |
7.6
(99%) |
Sugarloaf
Citizens Assn. Office,
gal/day |
450 |
283.6
(37%) |
100
(78%) |
1.6
(99%) |
| This
comparison supports design flow reductions of 50% for
residential graywater systems, and up to 98% for commercial
graywater systems, from standard sewage design flows. |