Neath and Swansea East - Live Sewage

Polluted by sewage 4,087 hours in 2026 so far..

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Neath and Swansea East so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

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Constituencies near Neath and Swansea East

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Neath and Swansea East, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

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Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
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Totals so far

Company CSO ID Overflow Days Total Duration (hours) Total Duration (days)
Dwr Cymru Welsh Water 871e5a5c294bdd823ba224a10eb8762176d9d4d883bccc0643e37448fb3a67dd 41 851 h 45m 35.46
Dwr Cymru Welsh Water 3f895ef502877839537cbe7bdcfc300ac8b06a1ff6f0f752dea75e41a947906d 41 647 h 26.96
Dwr Cymru Welsh Water 819a00b0eb2a859e2538daf1bf4fbfd9b2844669ec33ad3379cd768b5d8c73f6 30 472 h 31m 19.67
Dwr Cymru Welsh Water 55eaa1d902b1a46248e2638bb6d9b0ff6d91903804c7dc719e755a91742ff490 30 438 h 36m 18.25
Dwr Cymru Welsh Water dabf13390607a11c8c5c62065867b6b0780cca8e7593ce9bfa490ff0b7f6996c 31 438 h 15m 18.25
Dwr Cymru Welsh Water 4ef080a86886cbdbcff8a4fa9e472d480f0a3edea5b53281343ebe4fa9f4433f 17 292 h 15m 12.17
Dwr Cymru Welsh Water 20d4d24dc757f9a11f8d7ec334915e30e1b71de60fe5faab51f2d4b8ee342e0e 20 221 h 46m 9.21
Dwr Cymru Welsh Water c339276b4fe72832f600eba33b87d155f8f1c992d365b172117db250f9c6def0 16 95 h 30m 3.96
Dwr Cymru Welsh Water fae45d2f4b3722ad039f2ee31190e111c269bff114f5f9024f634c4ae4b10b2d 20 87 h 50m 3.62
Dwr Cymru Welsh Water 188497fc342c3f3a2a25ef69a45ce5edb720d883f1ada9ffab5d5b5cc0ae7f5b 19 82 h 30m 3.42
Dwr Cymru Welsh Water 07e54bb4d75a0c724d9b91711a9affe8626de9bfae6bdb062c9ca535c83026c0 20 76 h 30m 3.17
Dwr Cymru Welsh Water 6c8f9ff144a2f26955cf36b4d30382e9d39351cffd916f222845a78aa55f0496 12 69 h 28m 2.88
Dwr Cymru Welsh Water d39a823f2675f19af0793aa367a964fa1b012767115bdcd439511675051a4216 13 60 h 59m 2.5
Dwr Cymru Welsh Water 87589b90a5d58ebe3baab966f95b88d2af7c62ed24428bb224009d68798d3e5a 19 37 h 1.54
Dwr Cymru Welsh Water 1bab2efb67c7c834ea1dcad18b60b64b6a7a633f23213d491396d6a739f15529 13 32 h 30m 1.33
Dwr Cymru Welsh Water ab0fcccc2f38d656a51aa4747992bad530305f2920c0f1795e31b7cbbd3a407e 13 29 h 53m 1.21
Dwr Cymru Welsh Water 7ce332643907e5ae0229ead72f556a9fcd5184c3b2a8e51b65bc4d2b5a7fbd6a 16 28 h 26m 1.17
Dwr Cymru Welsh Water f6119caf5b2030f052067e0d68d6f15a170a325b7b34ddbec10b4b490dbed073 10 21 h 0.88
Dwr Cymru Welsh Water 3f47765f08f8c0bfc5dc78e64eb59741eaf9d8a82028a3e3b32503443a44161f 5 17 h 15m 0.71
Dwr Cymru Welsh Water 7ac3102c662971dbd864c79e0ee5594de99693c7bcf79fd59267a1410e4e9535 5 16 h 50m 0.67
Dwr Cymru Welsh Water 531afd08cdc82e157e330d34fd06a3bd389bd079eabec9a5c518cc2199847759 10 13 h 45m 0.54
Dwr Cymru Welsh Water ac9a3eba46162595b561b8b246638764c560f8d5c50b6578e5ade5925d04cb6a 10 11 h 51m 0.46
Dwr Cymru Welsh Water 1f18dd3d0e6e4f6cd62b0bcb7b716ea3666b63e3a031def640870903dffb5f41 8 7 h 55m 0.29
Dwr Cymru Welsh Water 59166e811836cda3975b729432bb6f526cabe342ffb1a5bcdf554ce643ae1522 3 7 h 15m 0.29
Dwr Cymru Welsh Water da9113cc1e6a56eb507cd4d6ae2e338e23489afb897d28c360955815d9b02c01 3 5 h 0.21
Dwr Cymru Welsh Water dad90414ed730e673b8ce33edd835c4d1f93fc85f5a842543d7c7a5376f68939 6 4 h 45m 0.17
Dwr Cymru Welsh Water 08f0b8c656bdcf61917bb70e5e8004e220a0079f5d463f8f364372bd8f7ff6d4 4 3 h 0.12
Dwr Cymru Welsh Water 86906efefe67cd8c07c9d9317c84534aa17d0a5e966d8c081a8083be0a5ae20b 4 2 h 53m 0.08
Dwr Cymru Welsh Water 3c58238fdf0c2fa357a295a90f0ea98f96f5c8f3e7f33b4c505cde5534fc8f78 2 2 h 15m 0.08
Dwr Cymru Welsh Water b4c46be27c723387751125dc5b753a9ef0eaabc55c65d750eb997c9fb6bbf058 5 2 h 13m 0.08
Dwr Cymru Welsh Water b50c7661f7892691b8f7ef75cf6650e15b868bf2736200cb61c8b1e3be92ba2c 5 2 h 12m 0.08
Dwr Cymru Welsh Water a6975cae6e8b77328e61ef5f1e633ddd3a5c4000854561c7a68c0cc135623374 3 1 h 15m 0.04
Dwr Cymru Welsh Water 652bcbd68fa838488e4755249941550811c03365b33861d55a180aaab281a7f4 3 1 h 8m 0.04
Dwr Cymru Welsh Water 57737df608183dd90cc2fc4d3088746623d2567d831349d7acd9fa833053448e 1 0 h 45m 0
Dwr Cymru Welsh Water 7d680e6f003935088f6d63cce6c9b674deea15900cfab2145a91748eb0559f9a 2 0 h 41m 0
Dwr Cymru Welsh Water 64426f5bd72f188cb213b4a9a347385ebfddeb2415c9a00903ef796a6bcc1fa4 1 0 h 30m 0
Dwr Cymru Welsh Water 383ceb8834577dcca888e5a710bdfe498cb601ff6ca84c6a30212d64a4cd26b0 1 0 h 30m 0
Dwr Cymru Welsh Water 1d92c8380f2d2dc4555053036d433025e31089366534899d0b0af1bb4c756dc0 1 0 h 25m 0
Dwr Cymru Welsh Water 7cfaca7372bd725b1bf081b4f34afbd9e1aeab97749751c8ce52964461e47b66 1 0 h 21m 0
Dwr Cymru Welsh Water 3e077498ccf4caa581674e0239101a57439706c7d78b88a720ceaff7077528ca 1 0 h 15m 0
Dwr Cymru Welsh Water 70584c0c8e9c14c6c373e1cde0337504cf53ac9c9a00c7d8e167f8249f1cd607 1 0 h 15m 0
Dwr Cymru Welsh Water 07ac8b1a9f9c5fcec6aac71fd33992b8d4e3342e496b42de9891e5e294b0d5f3 1 0 h 14m 0
Dwr Cymru Welsh Water b5751a97215bda7e948ec65f8b21d87150d98b98bb82ca1d2a342f89d97c1f36 0 0 h 0
Dwr Cymru Welsh Water 0371fdb90e43d42bcf8623333be6d8abe8ca834e1e055bde43c6acdbb4ed9820 0 0 h 0
Dwr Cymru Welsh Water a5979d3927aff1db19318bcb7f4acd6c9bfa4db88b92889c45a8980e81023ac0 0 0 h 0
Dwr Cymru Welsh Water 810f552c6fb164f3308d57bf5f721449e5c530022530d97d76e8df30791eca70 0 0 h 0
Dwr Cymru Welsh Water 1bf145b6f14a9d4189cfa3b08f8486f00c7280d22e9cdf4359f6259af52a7242 0 0 h 0
Dwr Cymru Welsh Water 389adf77358dce6dccb047d52e678453457572f21db1959fca1e4571ad54a982 0 0 h 0
Dwr Cymru Welsh Water bb3b60b169b0f3ab1bbb73308df55ec16d1fb34318f760000ffb54fe0bb58936 0 0 h 0
Dwr Cymru Welsh Water 8414f61349397dfd9d6581b165975f53e643d67a9701c48e1f243a069c0d57f7 0 0 h 0
Dwr Cymru Welsh Water 970dab3cbc75a8bc1639b838670f15d32201b606a1e4951246c814826a2c52ec 0 0 h 0
Dwr Cymru Welsh Water 6b1f0e2e1053f8c4a249a7750d92fffc2fbe741a38aa81cf0d94933d9d3855ce 0 0 h 0
Dwr Cymru Welsh Water bbff044b4916c0f98194beeadda29748e9b29245960e2b8bfc48d3cc75062940 0 0 h 0
Dwr Cymru Welsh Water 0f7103ee39d0452a543dbdcc801f204ec4d2f963c3265b7bbcdad1fe4f3d2f71 0 0 h 0
Dwr Cymru Welsh Water b31a25eea1a02982e2f39a7bb53f468eabd882df798efe6905c617093ade76aa 0 0 h 0
Dwr Cymru Welsh Water df5445f227a91d512408f94588b871ba3b83cdcf6a009df0c22e54452bc79864 0 0 h 0
Dwr Cymru Welsh Water 4ebc041dd48c3a7a3eb6ee10d973cba5ad3bd33906c7d3eaad78145664a589bd 0 0 h 0
Dwr Cymru Welsh Water 5a12b1fc849013c5fdc577be3f5e686d17b07c214e88c938945445d454686c7c 0 0 h 0
Dwr Cymru Welsh Water 78fa7e701808451b486bd34934ca7ce7396b9f9b1c0ef6494a8b5356ad9087ec 0 0 h 0
Dwr Cymru Welsh Water 38262facd99089e469f806f4c146c4cbe8184e151398f8917d9d4d09b0bf87f0 0 0 h 0
Dwr Cymru Welsh Water 3f3a01eeb84011541f7d25382c7bac62184a333897310a086af4849b43c89d12 0 0 h 0
Dwr Cymru Welsh Water a7f0070d804433214109cd39fcb100ed52dd8d744bba865cca85d59990c5c3ed 0 0 h 0
Dwr Cymru Welsh Water f43df18efe997d97319212edb515608ec4b6a05318f6e0f744c68d0c720b1fc3 0 0 h 0
Dwr Cymru Welsh Water d12821c4758fd3be4870750c14aa69453cf41f09bdf9a1a6a9db78c9df702f41 0 0 h 0
Dwr Cymru Welsh Water e14d71f42bd5799bb774c81df7e8758bd095e8249be330b87c2c3c00a731fc30 0 0 h 0
Dwr Cymru Welsh Water 31b3ff6d2a64a4205b64ada976e4582e604718d4535cafc59d6b979524dfd5d0 0 0 h 0
Dwr Cymru Welsh Water 39e5cd72d51a23e492c7978d33b3504ba905bd2dd5fac74253b927651085dd8c 0 0 h 0
Dwr Cymru Welsh Water e24ab5001a6e2c1d8e85989746dc20096235bd7be5323bed583a90978587f873 0 0 h 0
Dwr Cymru Welsh Water 22f08b7905baef5520fde98b80323fe4793d9302aa7760bceca085a7c690c6fd 0 0 h 0
Dwr Cymru Welsh Water d39eb4cc7a91d8d7f1e9acc262d5c5ab6c88b0c6a1ffca7db9ff7f43201acbf7 0 0 h 0
Dwr Cymru Welsh Water 9ac4e84f0de7e79c67df11b9521c2c9ee51c24be16ba9ee1272a24f2f1f49582 0 0 h 0
Dwr Cymru Welsh Water 1f10f4e8eaf05c511d5e7880b5a398b571af8abd5fd836205f4ef10696bd7302 0 0 h 0
Dwr Cymru Welsh Water 98de478c80b81fec5e00974c6bde0af0e55a79bde3d6a8fb588f3966c3a048e4 0 0 h 0
Dwr Cymru Welsh Water 3e8138bfea56160a1d6c2b71d111473df079da2d80be7abc4a0d5cf6dc071f8a 0 0 h 0
Dwr Cymru Welsh Water fd2347445a32c800a5334f033aa1cc7e6bb07a5cc7d94296eb3d1cd2daaa1b51 0 0 h 0
Dwr Cymru Welsh Water 7e2c3f31f9380e3dff3b884ca760f9c3f57e75c15393968f1819b3975002850b 0 0 h 0
Dwr Cymru Welsh Water a393e699981028cdd86b0d4959ef086e6426b06c7c3de6970b5e17009eb85940 0 0 h 0
Dwr Cymru Welsh Water 53bd6a0a6dd19b47afb9b177db3087ed9c616c3653c56589f871dc64dbfa596e 0 0 h 0
Dwr Cymru Welsh Water 970d9808c9a06d23e6f4f0039a32fb1ec9f574f4cc33533068686207b90ac7ee 0 0 h 0

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

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© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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