| Vortechs TM by Contech |
<10 acres, recommended <5 acres with <1-acre impervious cover1, 2 |
1.6-25 cfs3 |
9 standard sizes: 9 ft x 3 ft to 18 ft x 12 ft3 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Can be online or off-line.3, 4 |
| Continuous Deflective Separation (CDS) R by Contech |
<10 acres, recommended <5 acres with <1-acre impervious cover5, 6 |
Inline up to 6 cfs, offline precast modules 3-62 cfs, offline cast in place up to 300 cfs7, 8 |
16 models: 3-10 ft diameter8 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks9 |
| Downstream Defender TM H.I.L. Technology |
<10 acres, recommended <5 acres with <1-acre impervious cover10, 11 |
1.6-24 cfs for 50% removal of 100-micron particles, peak flow rate 3-38 cfs12 |
Predesigned manhole sizes: 4-12 ft in diameter, custom: up to 40 ft in diameter; Depth: 3.33 - 9.42 ft13, 14 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks15 |
| First Defense R by Hydro International |
|
0.85-6.0 cfs for 50% TSS Removal16 |
Six models: Diameter= 3-8 ft, Depth = 3.75-8 ft16 |
At point of entry into drainage line, sites constrained by space, topography, or drainage profiles, and retrofit installations16 |
| Stormceptor R by Imbrium or Rinker Materials |
Varies from 1 acre to 150 acres depending on model, common in-line models can treat 0.55-6.7 acres impervious cover17, 18 |
|
8 prefabricated in-line models, 1 48-in diameter inlet model, large-scale MAX model18 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Extended Oil Storage and Oil and Sand Removal Systems available for hot spot areas. Can be inlet or in-line, single or in series19, 20 |
| Barracuda by BaySaver |
Recommended <5 acres with <1-acre impervious cover21 |
50% TSS removal: 1.25 cfs, Maximum: 6.25 cfs22 |
6 manhole models: 36-120 in diameters22 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks |
| Dual Vortex Separator by OldCastle |
|
0.56 – 9 cfs23 |
Multiple sizes for both square manhole and square grated inlet models: 36 in to 144 in diameter24 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Can be online or offline24 |
| SciClone TM by BioClean |
|
WQ flow rate = 0.7-6.3 cfs25 |
Twelve models: 3-14 ft diameter, storage capacity 11-231 cu ft26 |
Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks27 |
| ADS Arcadia |
<10 acres, recommended <5 acres with <1 acre of impervious cover |
Treatment capacity = 1.5 - 17 cfs for 80% TSS removal of OK110 PSD |
3' - 10' diameters available |
Pretreatment for detention (above or below ground) and infiltration systems. Use for retrofit to add WQ to existing conveyance systems. |