Facts & Figures
Wastewater Collection And Treatment
Collection, transport, treatment, reuse and disposal of wastewater from Los Angeles, some county areas and nine other cities. Planning for capital improvements, financial management of the Wastewater Program, and review & processing of sewer service charge adjustments.
Sewage collection and treatment facilities:
- Sewage collection system
- Pipelines - 6,520 miles
- Pump plants - 54
- No. of personnel - 270
- Hyperion Treatment Plant
Daily flow - 362 million gal/day (mgd) 450 mgd capacity
Treatment - Full secondary, solids handling
No. of personnel - 277
- Tillman Water Reclamation Plant
Daily flow - 67 mgd/80 mgd capacity.
Treatment - Tertiary; Title 22 standards (for reclaimed water reuse).
No. of personnel - 43
- LA/Glendale Water Reclamation Plant
Daily flow - 20 mgd/20 mgd capacity.
Treatment - Advanced secondary; Title 22 standards (for reclaimed water reuse).
No. of personnel - 16
- Terminal Island Treatment Plant
Daily flow - Design 30 mgd - Averaging 17.5 mgd
Treatment -Full secondary and tertiary treatment with up to 5 mgd advanced water treatment capability.
No. of personnel - 66
- Maintenance Support of Treatment Plants
No. of personnel - 453
Biosolids (sewage sludge) Management
- 480 dry tons per day produced at Terminal Island and Hyperion
- 280 dry tons (58%) processed at Terminal Island and Hyperion
- 200 dry tons (42%) beneficially reused through three private contracts for compost
- San Joaquin (Composting) or land application (Bio Gro and Gardner-Arciero) 20 wet tons processed per day at the Griffith Park composting facility.
Enforcement of federal and City industrial waste pretreatment requirements
- No. of permittees - 7,000
- No. of personnel - 110
Support for the Wastewater Program
(environmental monitoring, engineering plant and equipment maintenance, and training)