Hafren Dyfrdwy

Severn Trent's Welsh subsidiary. Wastewater area covers the upper Severn around Llanidloes, Newtown and Welshpool, plus the Vyrnwy, Tanat and upper Teme. Regulated by Natural Resources Wales. Overflow locations and yearly spill totals come from the annual EDM return; no open live feed is available.

Hafren Dyfrdwy has 54 storm overflows listed in the annual return River Truth holds. River Truth has no live feed for this operator, so no current status, spill counts or discharge hours are shown.

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Storm overflows · annual return

No live feed

Active, offline and spill counts

Live counters are not shown because River Truth receives no live status data for Hafren Dyfrdwy. The absence of a figure here is not a record of zero spills.

Most-discharged-into watercourses

The 12 watercourses with the most Hafren Dyfrdwy overflows discharging into them.

Severn - conf Afon Dulas to conf R Camlad17 overflows
Afon Banwy4 overflows
Teme - source to conf Ffwdwen Bk to conf R Clun3 overflows
Severn - conf R Camlad to conf Bele Bk3 overflows
Afon Cain - conf Nant Fyllon to conf The Brogan3 overflows
Bechan Bk - source to conf Highgate Bk2 overflows
Camlad - conf Caebitra Bk to conf R Severn2 overflows
Lledan Bk - source to conf R Severn2 overflows
Wylcwm Bk - source to conf R Teme2 overflows
Afon Carno - conf Afon Cwm-llwyd to conf R Severn2 overflows
Afon Cynllaith - source to conf Afon Tanat2 overflows
Afon Tanat - conf Hirnant to conf Afon Rhaeadr2 overflows