Blaenau Gwent and Rhymney - Live Sewage

Polluted by sewage 3,967 hours in 2026 so far..

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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 Blaenau Gwent and Rhymney 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 Blaenau Gwent and Rhymney

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Blaenau Gwent and Rhymney, 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 cf8393789a396bfe268ffb8933753bd2c55fa07d6334576415e33ef3b3a274c8 41 747 h 30m 31.12
Dwr Cymru Welsh Water ad015cb2bf396acd017069c0154e50d9cb7c05f51723a8e6dd7e9cb2d0e2ecd9 30 410 h 17.08
Dwr Cymru Welsh Water b71cb8c49f43a3a8a4656705027b8fd62f5cd43571cf4b8a4da64c657bcc555a 37 303 h 17m 12.62
Dwr Cymru Welsh Water 9f087dace154e054f53c3f527d08c9e37616eee873f75e1004f0505f454e4b5b 19 251 h 57m 10.46
Dwr Cymru Welsh Water 94e4906c63846ffc56bdd2fca4931875a2f62e8f42562c85e53a9abb5908265f 17 239 h 50m 9.96
Dwr Cymru Welsh Water d18f71593923ecb9bb87dc923019d3b9ad7093974348e8ef338472a5751ece95 27 239 h 15m 9.96
Dwr Cymru Welsh Water 768f3ceb351afced1ff86c32758dd8d7625bad306f66372c3bc12340166f692f 22 225 h 17m 9.38
Dwr Cymru Welsh Water 767131d0dfc49bf78ce1eb66cc7738d6557d0d9c0bb32950b350e5388a7a0ea0 16 166 h 2m 6.92
Dwr Cymru Welsh Water a7df8b258cd347bf3e2e8f844d497fdf0d3266bdc24a9b4670a8e75d732a1185 16 118 h 21m 4.92
Dwr Cymru Welsh Water 63e7ad04ddc2ba4a6419b158dd6b61575c3d0470b1b322f6bd9c1a664696a155 19 116 h 20m 4.83
Dwr Cymru Welsh Water 3e1f6f08a32d33955dec7c778256c1137f4a2108f8484c266f9e07882c05ff9c 27 88 h 3.67
Dwr Cymru Welsh Water 4ef3266e96881fe2f1f129b3efc53444905c8327a295a5efb6d310f8d5f5c48b 17 76 h 15m 3.17
Dwr Cymru Welsh Water f73be883509c477c59b911fa66d5b5865158fdc858c29edcfa0bb8e6fcdc1292 9 74 h 51m 3.08
Dwr Cymru Welsh Water c3bb7b8d2eeb8cff4371a7dd9adcfefecd944ae369176d447870d53f2412242e 14 72 h 30m 3
Dwr Cymru Welsh Water 2baa00213ab8167faf066a78780c1dd15dedfa4f553b61ab7c149510740bc914 13 66 h 33m 2.75
Dwr Cymru Welsh Water 6ae39d9df81ce177ca59ab10185b34ec4983cbd54726af2308c1e56e1b4339b0 16 63 h 45m 2.62
Dwr Cymru Welsh Water 486b5ab00843b6db7070122d4b83486c52d674f03429b0594b5790e9587b0e2e 16 61 h 20m 2.54
Dwr Cymru Welsh Water 0c5f98865998b0b17d89753252984590ffac1cbe5b2ce1b532d6882b0ab6a1ef 7 59 h 30m 2.46
Dwr Cymru Welsh Water a763302903d77374d8db6cc58376094e6efee88050060b6d1d64433a8d17cfd3 17 55 h 12m 2.29
Dwr Cymru Welsh Water 0b714d2e542457b83e3b00ea67db3ce99458e205b1b8dcaa35e977f02f31bea6 7 54 h 11m 2.25
Dwr Cymru Welsh Water 62af15457580e27ca90f9c2b690c12461db94aee402b4f76658f8ee796bc6579 13 41 h 54m 1.71
Dwr Cymru Welsh Water e53210f00949a6f9263cc0c7412596047f7f80f015650517468c6405d81b0466 15 39 h 10m 1.62
Dwr Cymru Welsh Water 58e994b17758964c9d31f3da5a85926f4d6d7040895ad84ad4b4ed4214865fee 13 37 h 56m 1.54
Dwr Cymru Welsh Water 3d58025870dd242c9f66b2d3f240ef398ffc85c5050a43ab271cd06000f2f8f6 9 27 h 8m 1.12
Dwr Cymru Welsh Water a47b81d73fb8fa50a8ddad7593ecb744c0cc2a004375d8fcab93173ad7ce92a4 13 25 h 42m 1.04
Dwr Cymru Welsh Water be493b51979cf86098ed3a6de50d08f592f82c2e653856a449b2e2949018d22e 7 24 h 55m 1
Dwr Cymru Welsh Water ac8f96a9a86d71de6a68f78ec12937ef65d3ad4705d52641279ab62633e5ea10 10 23 h 53m 0.96
Dwr Cymru Welsh Water 5477f65c48ca5001eee750e6363c8b992ddd5b9d78bf8c8b46a3e9099e180568 11 22 h 26m 0.92
Dwr Cymru Welsh Water f52b1eddca88c10c73e299544c31ba3d815fbeb8448558b07d987d995d82fda3 10 21 h 55m 0.88
Dwr Cymru Welsh Water b1c6666721b847036c8fe616993e1e50137ef9e833a41fc7ec5885dddf00a2c0 8 21 h 43m 0.88
Dwr Cymru Welsh Water f79870a9d2550ccf67307bea06fd551f15bec9b7c6ecff07af21d87311e209b4 11 21 h 9m 0.88
Dwr Cymru Welsh Water 34fe3c82a7caa8de9e0937966b3d9b5de109f4735c702cc937af153333531e2c 3 20 h 27m 0.83
Dwr Cymru Welsh Water be94258666b29e8636b01507cad967a396f8e3d56665edb941025ac427ca8029 12 18 h 32m 0.75
Dwr Cymru Welsh Water 069a1ff9d9ad275cd402857cb82bf328865aaa899885ca757b7d0a9703f036df 5 17 h 13m 0.71
Dwr Cymru Welsh Water 16eb60541a13ed6147260bc37611d465c635cf61c162243ebce0304d13533be3 13 16 h 0.67
Dwr Cymru Welsh Water ff14600bc0fe05fcf2ac4d060d8c30b68f5307950ca751d85dae5995082d0e5a 2 13 h 29m 0.54
Dwr Cymru Welsh Water beb5f68a5904b4974e4422260571a441979ea0321fa45b126f6e71d6d0ce43a4 7 11 h 45m 0.46
Dwr Cymru Welsh Water 3578e986df88cbfb768c728b8edd545b6bf31b458e4f2afcf5789e7d217a7fdb 4 9 h 27m 0.38
Dwr Cymru Welsh Water a606c311f5118c4a7cca89e41f9e147a302eb45075ea1281111fff38c1e79251 5 8 h 30m 0.33
Dwr Cymru Welsh Water d921472b8a0fa1233d8052f01c12caaf237f19395de1a7e1f4580f92e965c888 1 6 h 31m 0.25
Dwr Cymru Welsh Water 4e21b126d3d818d6e71a879be0e743b1eaba0f965a157e6d4c026a6edc25336d 4 6 h 12m 0.25
Dwr Cymru Welsh Water 1210394a1a139f283603fad6bc81154968f318d5d55b0a3ecc1df522f66b8c4e 4 5 h 54m 0.21
Dwr Cymru Welsh Water 8a4a0d02b7e62f9058c08526620c4da6c06765dea5e4d696a3524eef431c0fa4 3 5 h 45m 0.21
Dwr Cymru Welsh Water c1e83cfd38afed56f90053bbd74dd1172fde77f2bbe6cd5d6b9111e22c7a2835 2 4 h 53m 0.17
Dwr Cymru Welsh Water 489d6b00788801f0d43487f8c0afe202c5dc4300c5cd785d7e4b76e6e95bbce9 9 3 h 50m 0.12
Dwr Cymru Welsh Water 59ed78f75028d6de8d827dd956b103e4fe5357f3fe9ebc4ac89355a2b608eb3c 2 3 h 30m 0.12
Dwr Cymru Welsh Water 7199e33c15eebee7d41407f14aab6b9425db703c37f5dde64264079bb521bd7e 2 2 h 59m 0.08
Dwr Cymru Welsh Water 9ff37d38090f2af194854ec9ab41eba20f8a36a87d380ab4a073e9d09d59cfb0 2 2 h 44m 0.08
Dwr Cymru Welsh Water 360e8fa81609f627d57418a110f4a7938b3fe3130dcec37b40f203974d6eba1c 3 2 h 14m 0.08
Dwr Cymru Welsh Water 37f1cee7bb7dd969fcecce5dfbaa401e9f8d9657382a003d785800e86d6996c5 4 2 h 11m 0.08
Dwr Cymru Welsh Water a90546f004896c912eff0fd253c4c55236164669994b1db0e5d28ae76c1e2dac 1 1 h 30m 0.04
Dwr Cymru Welsh Water 05d38fc65f472549a8a1d4a383a720d13a0c95e79d44045050a177b43015688b 1 1 h 0.04
Dwr Cymru Welsh Water 28fbf83b5102ec3668aa1b5d0fdafd7167ef0aab1245f962fe193defdc718fb5 2 0 h 59m 0
Dwr Cymru Welsh Water da4f40b7d9c6d3fd85dc59c6dfcdbba1ddf3e93210c7ff277bc25b2984db03af 2 0 h 53m 0
Dwr Cymru Welsh Water d4e11dca83cb9188329da7185539c9052e8d419d719cb41313d1ec30d58a0030 2 0 h 45m 0
Dwr Cymru Welsh Water 4b6b4df52c137324fdc4c04ae84ec1f9585b4240f91e7b8f324081d3971158eb 2 0 h 30m 0
Dwr Cymru Welsh Water 6a6dd6dc3d2eded1f33f65f9646265717dd987ca5e585707b4c4ebd80ae3366a 1 0 h 30m 0
Dwr Cymru Welsh Water 87ac747665f31a36d34ef8ea6c194334c92dc4080a2eaa71fd6aa339c902adf6 1 0 h 28m 0
Dwr Cymru Welsh Water 97d7270a7220bffdaf2d1d0b36c9351e132509f1c776c48dbc6304a9a684556b 1 0 h 14m 0
Dwr Cymru Welsh Water cb28020f7e5feff1fc8acf3ee07cffde2591f0bc2e2e53d244b7003faf386e4a 1 0 h 14m 0
Dwr Cymru Welsh Water 97be40fe5099bca78e001fd3c55ad9c31172ade0c8478931da6647376e564084 1 0 h 14m 0
Dwr Cymru Welsh Water d931a575c9ec55fb41e4e3daf6eb7869acac20d6d59659b9e4b75dae2d5e1b30 1 0 h 14m 0
Dwr Cymru Welsh Water b53a5f41469e83f0aa0fe8322308dfaf56a566e962e2463dfa986e23451a2e61 0 0 h 0
Dwr Cymru Welsh Water 2f789ef5d937bd759e0b55d08b00ca3d3dbc7f78e7641ba4ccdf27bed685ff6e 0 0 h 0
Dwr Cymru Welsh Water 7b976f31bf6f153fc05daa98c4ab93bf0336d98ee0d35d75f7c9cae1ad17fbc9 0 0 h 0
Dwr Cymru Welsh Water e158fdb2ff1dcce9cb9608b6408c1fc74ba9e87ab1b1fedde12085191c1c7a90 0 0 h 0
Dwr Cymru Welsh Water 251a0a8d220ebea51f70804875eb1ec7a2482000accc374fd400005a73d9a501 0 0 h 0
Dwr Cymru Welsh Water 132ec7cff63c17b1a6175d846faeb153b6682494ea4ccf69a639b1d6685090db 0 0 h 0
Dwr Cymru Welsh Water b43f62ad4e3031a4b1e861bfecd2972896d239102150a467ac7819ba25fa387b 0 0 h 0
Dwr Cymru Welsh Water c101aa1083286d53148b64ba7b7c24387c119ff418b1cc407f253821c33fffff 0 0 h 0
Dwr Cymru Welsh Water 8fa2ada9bf9f08afca8b8fda99d7742d80a8eef4c90cecebd7806caa12255301 0 0 h 0
Dwr Cymru Welsh Water 5531f4afcaf26bbd3aad81eef343bfbe96654a40487aaa77a295ae300a41c0e4 0 0 h 0
Dwr Cymru Welsh Water a9872e37bbba5e12483bc855d84623ea9602eb3aa45dcaeef268ac278855b3b9 0 0 h 0
Dwr Cymru Welsh Water 0531529d751751d68a8af475f2b64bbc1bbc2323147bb8b60917c0dd9fc0625a 0 0 h 0
Dwr Cymru Welsh Water f84f1c565f0dc7c0955ad8cc422d77a7dfaacae64ba695b17a24d7de80edaf33 0 0 h 0
Dwr Cymru Welsh Water b6780163aa1cd9b2948fe2cf7210fcf7194f46cdb7bd06af09a49dd674d4c203 0 0 h 0
Dwr Cymru Welsh Water 6305bbdbc29e1039013dff99e2f3563af6ee7dae06612e5c64ddfc223beeb47e 0 0 h 0
Dwr Cymru Welsh Water 93720a7bf96989844a4e2b0f8eb9dd76a2b0a71c4eda7a4f36f6644997107580 0 0 h 0
Dwr Cymru Welsh Water 8a7f1e56070264ca8271c87dba4b1aa6ed873795b78f076df0b7ae5d4fb77688 0 0 h 0
Dwr Cymru Welsh Water 61cabac036866f88257b003edd0795ecc8167c4aab74cea480ae29c17911b58e 0 0 h 0
Dwr Cymru Welsh Water 04250808bdac3e8b1c1b3e2a8e2a6df56424c31b21b7baa1db62fc4ba73b6a54 0 0 h 0
Dwr Cymru Welsh Water eb1b17b75a0d112cfd0243d37b897d053792906f83d54833cee27095f3158f98 0 0 h 0
Dwr Cymru Welsh Water 026923003ffb5a1a84f49b5f10e771fb88cc9b93c153a7f9dedcc4065cdd55af 0 0 h 0
Dwr Cymru Welsh Water 8b6c011d717abcd01067f8e349a5f133f6dab5da08ab06415721311cfab156d2 0 0 h 0
Dwr Cymru Welsh Water 98cc64f605817651f1c0d4eb1be80c090450cfda162f4bbf17ed6e2befc0422f 0 0 h 0
Dwr Cymru Welsh Water 8dd66082ffc333689f4b4282c190fc376e42b003fde863f8f8efb97a31c92a29 0 0 h 0
Dwr Cymru Welsh Water 9cb1b1d6b68bc284ab9922ce1e46a595cffb68d978af0ef708de05ef7fd5f975 0 0 h 0
Dwr Cymru Welsh Water 6a8d09b9af86079d5ddb699b7dce209a3171a42f37e92d749990574dcd888f3a 0 0 h 0
Dwr Cymru Welsh Water 8485cac785f27c6b3dda39a6f8b4ee07553a8350839e0384aef0a32fccd1a716 0 0 h 0
Dwr Cymru Welsh Water c77f544eaa42fc2fba4b37633fcc6d342b3f6b11d6c1852001bae63ec9aa0f0a 0 0 h 0
Dwr Cymru Welsh Water 9b81d7f9a8f0f3c4224055483b08bf321a7a30797adb28e3ee4d5e12f4426778 0 0 h 0
Dwr Cymru Welsh Water ad0be80f06d512bcc3975ac4c5cd857d68ca1010ad8f6f74fae2b9e5144848ba 0 0 h 0
Dwr Cymru Welsh Water eb66f6aec1bbf3cd208cab15c41b2d17c661ded1fb290d943ceb7607a3e2efa6 0 0 h 0
Dwr Cymru Welsh Water cc22f4c12d0f5263189564569fdc168cdb25e0b146d7a411759856350968fa3f 0 0 h 0
Dwr Cymru Welsh Water 597d371ac72f20d8095e2e8e9bcda1824eec29b54c15ec92f6374991fd1c9193 0 0 h 0
Dwr Cymru Welsh Water fe18fb0c02427ab9485415f0c373ce061abc6eb7d276347f884e44dcdee6c606 0 0 h 0
Dwr Cymru Welsh Water caef1e5b8962808400a2b38f4c18c51df4153976e400c419062944fbba122272 0 0 h 0
Dwr Cymru Welsh Water a1a22c2b32dc706b2ea2fb1f95fb3366ca58696c370ab1737b25ed76f48a9db9 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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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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