Collectors
| Name | Catchment |
|---|---|
| Hardinxveld-Giessendam | Hardinxveld-Giessendam (GM0523) |
| Haringey Council | Haringey (E09000014) |
| Harlingen | Harlingen (GM0072) |
| Harlow Council | Harlow (E07000073) |
| Harrow Council | Harrow (E09000015) |
| Hart District Council | Hart (E07000089) |
| Hartlepool Borough Council | Hartlepool (E06000001) |
| Hastings Borough Council | Hastings (E07000062) |
| Hattem | Hattem (GM0244) |
| Havant Borough Council | Havant (E07000090) |
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