Key Facts About the City of Hubbard Water Pollution Control Facility
Bar Screens | |
Type | 1-Mechanical, 1-Manual |
Size | 5' - 0" |
Bar Size | 3/8" x 2" |
Bar Spacing | 1.5" |
Grit Collectors | |
Type Capacity (each) | 2-Chain & Bucket |
Motor | 8.0 million gallons/day |
Channel Size | 1.0 HP |
Conveyor | 2- 5' x 50' 1-12" diameter screw |
Aeration Tank | |
Total BOD Loading | 3,500 lbs/day |
Aeration Volume | 2,109,890 gallons |
Loading Rate | 12.4 #BOD/1,000 c.f. |
Detention Time | 24 hours |
MCRT | 28 days |
Oxygen Requirements | 525 lbs/hr |
Disc Assemblies | 2- 25 HP, 4- 40 HP |
Final Clarifiers | |
Type | 2- Suction/Scraper |
Size | 75' diameter x 13' SWD |
Capacity | 429,593 gallons |
Detention Time | 9.8 hours |
Chlorine Contact Tank | |
Capacity | 164,912 gallons |
Detention Time | 13 minutes @ 2.1 mgd 15 minutes @ 16.0 mgd |
Sludge Storage Tank | |
Type | Aerated |
Size | 40' X 12' SWD |
Capacity | 216,192 gallons |
Solids Retention Time | 6.43 days |
Loading Rate | 0.81 lbs VS/days/s.f. |
Air Blowers | |
Type | 2-Centrifugal |
Air Supply (each) | 2,000 scfm @ 10 psi |
Motor | 125 HP |
Belt Filter Presses | |
Type | 2-2.0 Meter |
Capacity | 1,000 lbs dry |
Minimum Cake Solid | 30% |
Emergency Generator | |
Type | Diesel Powered |
Number | 2 |
Capacity (each) | 400 kw |