Collectors
| Name | Catchment |
|---|---|
| Hendrik-Ido-Ambacht | Hendrik-Ido-Ambacht (GM0531) |
| Hengelo | Hengelo (GM0164) |
| Herefordshire, County of Council | Herefordshire, County of (E06000019) |
| Herlev Kommune | Herlev (163) |
| Herning Kommune | Herning (657) |
| Hertsmere Council | Hertsmere (E07000098) |
| Heumen | Heumen (GM0252) |
| High Peak Borough Council | High Peak (E07000037) |
| Hillegom | Hillegom (GM0534) |
| Hillerød Kommune | Hillerød (219) |
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