Collectors
| Name | Catchment |
|---|---|
| Heemstede | Heemstede (GM0397) |
| Heerde | Heerde (GM0246) |
| Heerenveen | Heerenveen (GM0074) |
| Heerlen | Heerlen (GM0917) |
| Heeze-Leende | Heeze-Leende (GM1658) |
| Heiloo | Heiloo (GM0399) |
| Helensburgh and Lomond Council | Helensburgh and Lomond (S30000013) |
| Hendrik-Ido-Ambacht | Hendrik-Ido-Ambacht (GM0531) |
| Hengelo | Hengelo (GM0164) |
| Herefordshire, County of Council | Herefordshire, County of (E06000019) |
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