| Facts JANUARY 2013 |
|
| Sweetwater Authority Boundaries |
|
Gross land area (sq. miles)
|
41
|
|
Loveland reservoir
|
5.1
|
|
Service area
|
32
|
|
San Diego Bay
|
3.7
|
|
City of San Diego
|
0.2
|
| |
|
| Service Area |
|
Total Service Area (sq. miles)
|
32
|
|
National City
|
7.5
|
|
South Bay ID
|
24.5
|
|
2012 Population estimates (SANDAG)
|
|
|
Service area
|
total 186,865
|
|
South Bay ID
|
127,982
|
|
National City
|
58,883
|
| |
| Service Connections |
|
Total connections
|
32,567
|
|
Residential
|
29,385
|
|
Commercial
|
2,688
|
|
Government/Other
|
459
|
|
Industrial
|
29
|
|
Agricultural
|
6
|
| |
|
| Pipelines |
|
Total length
|
388 miles
|
|
6 inch diameter and smaller
|
153
|
|
8 to 10 inch
|
143
|
|
12 inch
|
54
|
|
14 to 16 inch
|
14
|
|
larger than 16 inch
|
24
|
|
Average pipe age
|
38 years
|
| |
|
| Public Fire Hydrants |
|
Total as of June 2008
|
2,511
|
|
Bonita
|
447
|
|
Chula Vista
|
1,285
|
|
National City
|
779
|
| |
|
| Emergency Interconnections & pressure zones |
|
Total emergency interconnections
|
12
|
|
Pressure zones
|
16
|
| |
|
| Production |
|
2009-10 total system production
|
20,795 af
|
|
Local reservoirs
|
901 af
|
|
NC wells
|
2,175 af
|
|
Imported water
|
14,543 af
|
|
Groundwater Desalination
|
3,176 af
|
|
Historical use imported (20 yrs)
|
55%
|
|
Maximum daily consumption-98
|
29.8 mgd
|
|
Average daily consumption
|
18.6 mgd
|
| |
|
| Raw Water Storage |
|
Total capacity
|
53,466 af
|
| Aqueduct connection capacity |
64 cfs |
| |
|
| Treated Water |
|
Total storage reservoirs
|
25
|
|
Total capacity (gallons)
|
42,835,200
|
|
Concrete reservoirs
|
3
|
|
Concrete reservoir capacity (gallons)
|
32,000,000
|
|
Steel tanks
|
16
|
| Total hydro stations |
6 |
|
Hydro-pneumatic steel tanks
|
6
|
|
Tank capacity (gallons)
|
10,835,200
|
|
Total pump stations
|
17
|
|
Approximate total pumping capacity (gallons/minute)
|
36,000
|
| Aqueduct connection capacity |
62 cfs |
| |
|
| Sweetwater River Watershed |
|
Total watershed (sq. miles)
|
230
|
|
Lower watershed
|
48
|
|
Middle watershed
|
84
|
|
Upper watershed
|
98
|
| |
|
| First Days |
|
Kimball Brothers Water
|
May 26, 1869
|
|
Sweetwater Authority
|
Feb. 3, 1972
|
|
Sweetwater Authority Operations
|
Aug. 10, 1977
|
| |
|
| Wholesale Imported Water Cost
per acre foot, from San Diego County Water Authority - Jan. 2012
|
|
Raw water (Tier I & II)
|
$807 / $836
|
|
Treated water (Tier I & II)
|
$1,063 / $1,092
|
| |
|
| Budget |
|
2012-2013 Operating and Capital
|
$49,930,800
|
| |
|
| Water Equivalents |
|
1 cubic foot
|
7.48 gal.
|
|
1 acre-foot
|
325,850 gal.
|
|
1 million gallons
|
3.07 af
|
|
1 million gallons/day
|
1,120 af/year
|
| |
|
| Key to Abbreviations |
| af = acre feet |
| mgd = million gallons per day |
Last updated: 12/31/2012 8:34:05 AM