The number of ballast water treatment systems being approved by the USCG continues to increase. Their list will be updated with each subsequent additional USCG type-approval, reports Riviera Maritime Media.
USCG approved BWTS system
The table below shows the make of each ballast water treatment system (and any previous name), the model that has been approved and the date of USCG approval. The South Korean Hanla BWTS is the latest to be approved.
Table of USCG Type-Approved Ballast Water Treatment Systems | |||
| Make | Model | Date of USCG Approval | |
| 1 | TeamTec (OceanSaver) | MkII | 2016/12 |
| 2 | Optimarin | OBS / OBS Ex | 2016/12 |
| 3 | Ecochlor | Ecochlor | 2017/08 |
| 4 | Erma First | FIT | 2017/10 |
| 5 | SunRui | BalClor | 2018/01 |
| 6 | Hyundai HI | EcoBallast | 2018/05 |
| 7 | Bio UV | Bio-Sea | 2018/06 |
| 8 | Samsung HI | Purimar | 2018/06 |
| 9 | Techcross | Electro-Cleen | 2018/06 |
| 10 | Wärtsilä | Aquarius EC | 2018/08 |
| 11 | Headway Technology (Qingdao) | OceanGuard | 2018/11 |
| 12 | JFE Engineering | BallastAce | 2018/11 |
| 13 | De Nora | BALPURE | 2018/12 |
| 14 | Panasia | GloEn-Patrol | 2018/12 |
| 15 | Envirocleanse | inTank | 2019/02 |
| 16 | Desmi Ocean Guard | CompactClean | 2019/04 |
| 17 | Alfa Laval | PureBallast 3.2 | 2019/05 |
| 18 | Wärtsilä | Aquarius UV | 2019/05 |
| 19 | Cathelco | Evolution | 2019/06 |
| 20 | COSCO | Blue Ocean Shield | 2019/09 |
| 21 | Hyundai HI | EcoBallast | 2019/10 |
| 22 | MIURA | HK-E C | 2019/10 |
| 23 | Hanla IMS | EcoGuardian | 2019/11 |
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Source: Riviera Maritime Media
