1 gauge, at Pont Amman River Station. It is not above its typical high. 2 storm overflows upstream are discharging now. Gauges in Carmarthenshire; levels are checked every 15 minutes.
Stations are listed from source to mouth as the water flows, traced on the river map (OS Open Rivers) and the Environment Agency’s own links between its gauges. A distance “by river” is along the river, and is shown only where the map traces the path.
Streams and rivers with a gauge whose water joins the Aman above one of its gauges, from the source down. Named streams without a gauge that have a page here are listed at the end.
No gauged tributary joins the Aman above Pont Amman River Station on the river map. Streams without a gauge are not counted here.
Named streams on the river map that flow into the Aman and have no gauge of their own. Each has a page with what is known about it: the next gauge downstream, and any storm overflows or water-sampling points placed on it.
Garnant (joins about 5.2 km above Pont Amman River Station)
Storm overflows upstream
14 storm overflows are traced upstream of Pont Amman River Station, the Aman’s lowest gauge on the river map: on the Aman itself, on its gauged tributaries, and on smaller streams that join above there.
2 report discharging now
11 not discharging
1 offline or silent: 1 monitor offline, 0 status unknown, 0 no live feed
Official figures for 2025, for the overflows traced upstream of Pont Amman River Station: 986 spills over 7,527 hours in total, across all 14.
Each overflow is listed in the stretch above the first gauge its water reaches, from the source down, as on the Gauges tab. A stretch of the Aman includes the smaller streams that join it there.
Above Pont Amman River Station, the Aman’s highest gauge14 overflows · 2 discharging now
Ger-Yr-Afon Storm OverflowMonitor offline Dwr Cymru Welsh Water · into Nant Hir · 8.3 km by river above Pont Amman River Station · 2025: 64 spills, 250 h
Station Road Brynamman Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 8.1 km by river above Pont Amman River Station · 2025: 50 spills, 132 h
Hall Street Brynamman Storm OverflowNot discharging Dwr Cymru Welsh Water · into Unnamed Tributary Of Afon Amman · 8.1 km by river above Pont Amman River Station · 2025: 13 spills, 17 h
Quarry Place Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 7.6 km by river above Pont Amman River Station · 2025: 75 spills, 471 h
Bryn Bach Road Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 7.5 km by river above Pont Amman River Station · 2025: 52 spills, 136 h
Graig Road Bridge Storm OverflowDischarging now since Dwr Cymru Welsh Water · into River Garnant · 6.7 km by river above Pont Amman River Station · 2025: 158 spills, 1,990 h
Southwest Of Glyn Road Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 6.7 km by river above Pont Amman River Station · 2025: 52 spills, 386 h
Upper Station Road Glanaman Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 5.3 km by river above Pont Amman River Station · 2025: 102 spills, 963 h
Parc Golwg Yr Aman Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 4.9 km by river above Pont Amman River Station · 2025: 87 spills, 791 h
Station Road Glanaman Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 3.8 km by river above Pont Amman River Station · 2025: 54 spills, 189 h
Amman Road Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 3.3 km by river above Pont Amman River Station · 2025: 35 spills, 68 h
Penpound Lane Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 3.3 km by river above Pont Amman River Station · 2025: 56 spills, 209 h
Pontamman Pipe Crossing Storm OverflowDischarging now since Dwr Cymru Welsh Water · into River Amman · 470 m by river above Pont Amman River Station · 2025: 128 spills, 1,782 h
Near these gauges, connection not known
Within 3 km of one of the Aman’s gauges in a straight line, but the river map cannot say whether their water reaches it.
Maesquarre Road Storm OverflowNot discharging Dwr Cymru Welsh Water · into River Amman · 110 m from Pont Amman River Station in a straight line · too close to Pont Amman River Station to say which side · 2025: 37 spills, 230 h
Aberlash Road Storm OverflowDischarging now since Dwr Cymru Welsh Water · into Afon Marlais · 2.1 km from Pont Amman River Station in a straight line · its recorded watercourse is not the one mapped beside it · 2025: 61 spills, 872 h
Waunfarlais Road Brynmarlais Storm OverflowMonitor offline Dwr Cymru Welsh Water · into Afon Marlais · 2.3 km from Pont Amman River Station in a straight line · its recorded watercourse is not the one mapped beside it · 2025: 188 spills, 3,336 h
Brynmarlais Crossing Storm OverflowNot discharging Dwr Cymru Welsh Water · into Afon Marlais · 2.6 km from Pont Amman River Station in a straight line · its recorded watercourse is not the one mapped beside it · 2025: 114 spills, 1,458 h
Cwmamman Road Storm OverflowNot discharging Dwr Cymru Welsh Water · into Nant Grenig · 2.8 km from Pont Amman River Station in a straight line · its recorded watercourse is not the one mapped beside it · 2025: 14 spills, 92 h
10 other overflows within 3 km of these gauges are placed below the Aman’s lowest gauge or on another river, so not listed.
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