Gower - Live Sewage

Polluted by sewage 3,215 hours in 2026 so far..

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Gower 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 Gower

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Gower, 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.

Monitoring Online

Monitoring Offline

Polluting

Potentially Polluting

Unknown

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	eaa14dd73e74c956b3e4120d236c23655ca73dc2490edd76414e6cf83a071575	36	697 h	29.04
Dwr Cymru Welsh Water	33af6b79a3c84f453d7023315d48b4492c71de1085690389786e5fe26011584d	35	504 h	21
Dwr Cymru Welsh Water	07cc71957c399e6ef45fcf8e516d5b500f4bf6cf7448630430de2a3fe4b1f6df	26	342 h 17m	14.25
Dwr Cymru Welsh Water	ebf80794fe2274fdf175c154a1d20bf364b3350d28a7edbc4f8f8a58b9dc8895	30	270 h 56m	11.25
Dwr Cymru Welsh Water	82c5544b247224c529ddc86c0040ec859a1c93aec78b28dae1d00c4be7483b16	30	196 h 11m	8.17
Dwr Cymru Welsh Water	862685f16cdfff859256b9cc74b25ac3bd1b797fbc84a1afb7cac17b0ad7201b	9	137 h 15m	5.71
Dwr Cymru Welsh Water	6e54b262852f724f2d86782088a4da5a384c5cd8de85f0e1f87da12be3acd593	9	136 h 15m	5.67
Dwr Cymru Welsh Water	dd2317babd179d2d1a1f73a5c6f31525f12a5de99629835783e04f4f5e772a39	34	105 h 52m	4.38
Dwr Cymru Welsh Water	d8c2fbc848f9651b6dc3ab6140fafa7a9deaa243eea4842a439d75ad8020fccd	17	96 h 3m	4
Dwr Cymru Welsh Water	828121f313445abb1dade71489c1aace26421481fd6c2c664dc0de8e755ccedc	6	72 h 30m	3
Dwr Cymru Welsh Water	ebfdb903915d96bd455bdb2d5f3688bc3ae20c4b3fa3cb09703ddae9a10d8bf5	19	63 h 59m	2.62
Dwr Cymru Welsh Water	3eede6d071068c9a56038200ec1d0fd130f9f05cfb1252785fc70d5a210b3ffa	12	50 h 30m	2.08
Dwr Cymru Welsh Water	595b8e7ec25d988f8fd43cdce0540fb4b8d89ce41d16f90f05c0560cddd72db6	8	47 h 27m	1.96
Dwr Cymru Welsh Water	b78cbdc6a130aa823be39fa10e2a838e8396df2e3b75c9ad63d646bfcae70b0c	14	42 h 35m	1.75
Dwr Cymru Welsh Water	442070301ba51a362eeafaee059d38bcb25edbadbc19a9dd9f1062c1d54e3f9c	8	42 h 22m	1.75
Dwr Cymru Welsh Water	1a1bf40f457fd6e036fc8956fc388e160609ac1b1ab01a5956e1c846240bed13	12	39 h 31m	1.62
Dwr Cymru Welsh Water	6f137723ba6ed86cb3a6e0166bb4666d9fa3c2495e01524b54bcbc8a0e654256	11	32 h 42m	1.33
Dwr Cymru Welsh Water	1da9dede81e18d5c79539d2bf56d10d96d80630f9a8dc67d92065a8ffbca5c02	17	31 h 53m	1.29
Dwr Cymru Welsh Water	03f241a0edf89082d3b68fa541bfc578fa5d9818d84049a9fc85b6dd9976ea87	6	31 h 1m	1.29
Dwr Cymru Welsh Water	db8e5a63cbcefcf5c3e38b251c9abe411da309d8c48462f42db0c6219b74b1f9	17	30 h 54m	1.25
Dwr Cymru Welsh Water	7c46ea7eaeb672df25031cbb6b5435dcbf6780de0476ea3bc9f6117c00c55de2	6	30 h	1.25
Dwr Cymru Welsh Water	c8dcfaebffdc5166fd24bc7eded56c6673fbbe1f14863d0467f366a9a44bb564	13	28 h	1.17
Dwr Cymru Welsh Water	31240816391dc9b854be14f5b4e20134d64bba8262571f78b4be641d16c5ec46	10	26 h 21m	1.08
Dwr Cymru Welsh Water	db9966a14fb6ee0123fb773f67d46daed813a01b3a1d9fb35d66e91e4e0c1952	3	24 h 45m	1
Dwr Cymru Welsh Water	7b697523e87a5017989e71fe80373e3870e56e0f0d273763dd8d245cd0423fdf	12	22 h 30m	0.92
Dwr Cymru Welsh Water	10e583cdf1ffe5bd2bd4b9c6c0eaa27cc630ca99d4cce7bc85e02c6a5d836c66	16	21 h 30m	0.88
Dwr Cymru Welsh Water	d3e21ee33f47fe1b0c010390f870bc09e077929a833a4f03cb9ba5e77113da47	6	13 h 4m	0.54
Dwr Cymru Welsh Water	74efb7cd9e4e0d40d4de78f4d9473790bc7c3a39f6697489771adf42089ea168	4	12 h	0.5
Dwr Cymru Welsh Water	3efd6142a45a1758e966dcb23f558a4a3423ba9f509950f912c2d9a6d056bab2	6	9 h 56m	0.38
Dwr Cymru Welsh Water	2941f112a5877ab6af0569d9d9bbe24a3b0fe7359a82fea72380cf3bb11e75ab	2	8 h 30m	0.33
Dwr Cymru Welsh Water	dc571e32f530310f62f2ef66fec66ff3b5db9c32030fb554629adc5790f410d6	5	7 h 26m	0.29
Dwr Cymru Welsh Water	4a795c6a42a019f3b0d39a1390fd909989e181b38285c9279d6acd90608a5167	3	7 h 15m	0.29
Dwr Cymru Welsh Water	d10677089585e903dc12d2a771823ede4d84b7e4e80531e676cf68b0b253e17b	6	6 h 43m	0.25
Dwr Cymru Welsh Water	8939999dc87b968262d5df8cbf17fc9bcd629c9478248a2125842146ddc308ff	1	6 h	0.25
Dwr Cymru Welsh Water	70c7111bfd6cb4122387ae30e32e8aecfd5836064fba6692ebaad9f389b15bc7	3	5 h 15m	0.21
Dwr Cymru Welsh Water	feb3c3cd4aa5261b991c3f2dccde257de142fb35e840f0c58e92ad1a85b95177	1	3 h 41m	0.12
Dwr Cymru Welsh Water	b6dd200565119be5772794f4e4fd0076b80b7e5a372ea0c417061dd2eda57db7	2	3 h	0.12
Dwr Cymru Welsh Water	1e9549648ff439357dad6b8d0c42d4e01f735ba517d6048c225264d0b403b079	2	2 h 58m	0.08
Dwr Cymru Welsh Water	276f6f049b1029a60d891c4c5b6a4a981d8397a0bb560d60c6875d74f48e9198	1	1 h 46m	0.04
Dwr Cymru Welsh Water	241e35c619ddda6fbb5f43ccfb79586d3f2ba86abaa6ddf0b7f34ef24556f5d7	1	1 h 30m	0.04
Dwr Cymru Welsh Water	44861d4fb48fdc26ff4451d249027ef00f99fe188f24c62590fd54dbfd96cf30	2	0 h 54m	0
Dwr Cymru Welsh Water	56a49e293bf7d8704736ea0babd9aeda2437f74588af15c6cda3d2c26e8da5b4	2	0 h 29m	0
Dwr Cymru Welsh Water	c5a9482110254ad2780fc181c5b32a51ed81a5fce9cddc25f0be62813a426dab	1	0 h 16m	0
Dwr Cymru Welsh Water	6ab5828a3fe695b05ea42fce656c7f7485fc891eed76b2de0d54e6f59ef2715c	1	0 h 15m	0
Dwr Cymru Welsh Water	50d81232a2b2aa22b8de3651b745213d7c44554be9cf356bf4e47c07bf83a157	0	0 h	0
Dwr Cymru Welsh Water	eca78766130bc631a33a7d128df0daf519d71789a79aa2687ccfca1142d3debe	0	0 h	0
Dwr Cymru Welsh Water	ceb856e0f33fa925d6adbbfd9ffd40f69377bf9a79afcf427bf338af8a5be99d	0	0 h	0
Dwr Cymru Welsh Water	7b84e4f9f8b60828f8205357df8a961630a5bc714e8245881b685f0180eed85b	0	0 h	0
Dwr Cymru Welsh Water	f5cd3206519c79f4ebfcd85e13df66f8b40160d6c09e886f4de212c26e9c43b0	0	0 h	0
Dwr Cymru Welsh Water	af1cbad988535c62f7fd90826311b73c50a28a1000a1bfa930ca930726552918	0	0 h	0
Dwr Cymru Welsh Water	020e04993c0add153881ca795a05d033b49d8372e65f0c99ec92951dd172389f	0	0 h	0
Dwr Cymru Welsh Water	d92482e89e86e2b0ba95d4733811f93608f63403ecd5583e29abf4db9147facf	0	0 h	0
Dwr Cymru Welsh Water	4c75e577d6e899ee01fc1036cb7df9041479766c4ed7cdfeb84e1174ea88876b	0	0 h	0
Dwr Cymru Welsh Water	1cf3e39ba711ee045a4d16d0908cbd5ff148cf28e1815f3503d7e1c9f0daaa72	0	0 h	0
Dwr Cymru Welsh Water	3b9fabe6449f8a889033ad48dfc9374829bce5bfb7ceba2820d0f91a6f6bee4c	0	0 h	0
Dwr Cymru Welsh Water	d5b634d8de08b417378bf024bf851170bd6b6184fc543fecff36dd19ccc87102	0	0 h	0
Dwr Cymru Welsh Water	e10ea608cc7dd835e988bb6561b7a76b244ce97491e9c08c1460efba9abfb603	0	0 h	0
Dwr Cymru Welsh Water	c9e423566aa5f4b509eadca2bfcfbd363816dfa78f73bd8ab160e63efb4c0e6b	0	0 h	0
Dwr Cymru Welsh Water	f0bedfc24e62c0aa7630ced265c751ea0f58582bea828625f1727f4f7d29c6b2	0	0 h	0
Dwr Cymru Welsh Water	74b0d6951eed790d422738d22e02bb955cc269c8eca133eb50c90c1cf085afef	0	0 h	0
Dwr Cymru Welsh Water	fcf76d2f009f6530ddc5e769fe8b62a9c7e5b0f8b37f4ae4c2ec500adfffea61	0	0 h	0
Dwr Cymru Welsh Water	7edb52d2b8bea193e6f53599eb62872eca5664a703d375151b76be9e9b81b760	0	0 h	0
Dwr Cymru Welsh Water	668b8bdc9425a19f3b71660136c49ef25cbf7f14b9b95946e03a9c6b94c7a92d	0	0 h	0
Dwr Cymru Welsh Water	5089943870c46439478cae072c4995b5dca8c08fc0a8cff8d464cc4149a8bb02	0	0 h	0
Dwr Cymru Welsh Water	acc2bf4f7853560a31f003cee63f56c7ffea70897ade5f1cc4de7a272ada630d	0	0 h	0
Dwr Cymru Welsh Water	a5a799eea13ddeb75165b3d35390fc7eec0e3df5c20f09f9651a56c4ebc04cc9	0	0 h	0
Dwr Cymru Welsh Water	3915f72bc1201fd7f5e2202e8e20079cf4cd7f37b708f53bf77767816dee19f9	0	0 h	0
Dwr Cymru Welsh Water	26d316c9ffcf39b5816fb44c65495811ba5ab11bfefca80d02a243d8145a083e	0	0 h	0
Dwr Cymru Welsh Water	007f9c76c9893c61f29fe8cbf578677b208deb3926714c8fa756075399b76981	0	0 h	0
Dwr Cymru Welsh Water	d71a8b60b803547b5330f75c7d7a528bbc68f750da47049f90b9b2a5f1746264	0	0 h	0
Dwr Cymru Welsh Water	80896619810fa6afa9e62c906b1a4b5349707c218fe5ea35c2e06213fcc74b16	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.

Analysing sewage pollution by the Water Industry

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Gower - Live Sewage Polluted by sewage 3,215 hours in 2026 so far..

Gower - Live Sewage