Sewage Spills by Constituency

	A	C	D	E	G	H	I	K	L	N	O
1	Storm overflows by constituency, England 2022 and 2023
2
3		2022			2023			Percentage change
4	Constituency	Counted spills	Total Duration all spills (hours)	% of overflows listed operational monitors	Counted spills	Total Duration all spills (hours)	% of overflows listed operational monitors	Counted spills	Total Duration all spills (hours)
5	Kingston upon Hull North	-	-	100%	-	-	100%	(n/a)	(n/a)	Notes:	Not all overflows have a valid grid reference and these cannot be matched to a constituency.
6	Berwickshire, Roxburgh and Selkirk	(n/a)	(n/a)	(n/a)	85	1,816	100%	(n/a)	(n/a)		Some constituencies in 2022 do not have data as they had no operational monitors
7	Wycombe	-	-	50%	20	334	100%	(n/a)	(n/a)	Source:	Environment Agency (EA), Annual Returns for Storm Overflows 2023
8	Thurrock	-	-	33%	47	103	100%	(n/a)	(n/a)
9	Watford	-	-	50%	1	1	100%	(n/a)	(n/a)
10	Brighton, Pavilion	-	-	100%	-	-	99%	(n/a)	(n/a)
11	Reading East	-	-	100%	-	-	99%	(n/a)	(n/a)
12	Feltham and Heston	(n/a)	(n/a)	(n/a)	3	3	98%	(n/a)	(n/a)
13	Tooting	(n/a)	(n/a)	(n/a)	-	-	95%	(n/a)	(n/a)
14	Wimbledon	-	-	30%	10	8	92%	(n/a)	(n/a)
15	Hertsmere	-	-	50%	3	2	91%	(n/a)	(n/a)
16	Enfield, Southgate	(n/a)	(n/a)	(n/a)	10	21	88%	(n/a)	(n/a)
17	Bromley and Chislehurst	(n/a)	(n/a)	(n/a)	9	18	88%	(n/a)	(n/a)
18	Ruislip, Northwood and Pinner	(n/a)	(n/a)	(n/a)	-	-	87%	(n/a)	(n/a)
19	Luton North	(n/a)	(n/a)	(n/a)	3	3	85%	(n/a)	(n/a)
20	Tottenham	(n/a)	(n/a)	(n/a)	2	1	85%	(n/a)	(n/a)
21	Eltham	(n/a)	(n/a)	(n/a)	2	1	79%	(n/a)	(n/a)
22	Croydon North	-	-	50%	4	4	77%	(n/a)	(n/a)
23	Sevenoaks	(n/a)	(n/a)	(n/a)	-	-	63%	(n/a)	(n/a)
24	Twickenham	-	-	50%	-	-	63%	(n/a)	(n/a)
25	West Ham	-	-	50%	-	-	50%	(n/a)	(n/a)
26	Bethnal Green and Bow	(n/a)	(n/a)	(n/a)	-	-	1%	(n/a)	(n/a)
27	Broxbourne	(n/a)	(n/a)	(n/a)	-	-	0%	(n/a)	(n/a)
28	Old Bexley and Sidcup	(n/a)	(n/a)	(n/a)	-	-	0%	(n/a)	(n/a)
29	Maidenhead	3	6	75%	28	258	99%	833%	4174%
30	Ealing North	1	0	30%	9	18	94%	800%	19589%
31	Oxford East	15	164	33%	133	2,096	93%	787%	1178%
32	Oxford West and Abingdon	19	73	75%	159	1,936	94%	737%	2538%
33	Ealing, Southall	7	12	33%	57	153	70%	714%	1208%
34	Kingston upon Hull East	23	96	100%	176	2,278	100%	665%	2286%
35	Hendon	21	54	11%	151	384	90%	619%	615%
36	Coventry North West	8	2	100%	52	55	89%	550%	2849%
37	South West Bedfordshire	28	220	67%	161	2,556	83%	475%	1064%
38	Dartford	9	59	67%	45	417	59%	400%	612%
39	Liverpool, West Derby	1	1	50%	5	4	50%	400%	585%
40	Blackpool South	22	62	80%	105	260	80%	377%	322%
41	Norwich North	4	12	50%	19	124	100%	375%	978%
42	Mid Norfolk	80	360	82%	350	3,524	97%	338%	879%
43	Bedford	21	141	33%	91	1,096	100%	333%	678%
44	North Somerset	188	1,052	85%	768	7,601	96%	309%	623%
45	Poplar and Limehouse	37	68	89%	149	258	93%	303%	279%
46	Slough	8	64	100%	32	364	79%	300%	471%
47	Erith and Thamesmead	6	55	33%	24	232	100%	300%	324%
48	Wantage	205	1,371	92%	801	9,378	97%	291%	584%
49	Wythenshawe and Sale East	42	248	60%	162	1,112	76%	286%	349%
50	Rochford and Southend East	96	363	21%	366	1,109	96%	281%	205%
51	Mid Bedfordshire	76	693	46%	288	3,446	95%	279%	397%
52	Milton Keynes North	60	491	46%	227	2,097	100%	278%	327%
53	West Lancashire	275	1,229	83%	1,001	6,044	90%	264%	392%
54	Winchester	10	11	100%	35	189	92%	250%	1661%
55	Witham	101	811	55%	352	3,378	94%	249%	316%
56	South Swindon	58	648	100%	196	3,049	90%	238%	371%
57	Romsey and Southampton North	207	3,128	100%	697	12,183	88%	237%	289%
58	Weston-Super-Mare	124	1,221	92%	413	6,523	99%	233%	434%
59	Christchurch	94	246	92%	300	2,055	98%	219%	736%
60	Rayleigh and Wickford	55	281	62%	174	1,195	100%	216%	326%
61	New Forest West	185	1,489	100%	580	8,091	84%	214%	444%
62	Kingston and Surbiton	14	75	67%	43	197	99%	207%	164%
63	Chesham and Amersham	2	4	33%	6	29	63%	200%	681%
64	Henley	326	3,415	90%	975	13,016	98%	199%	281%
65	Harwich and North Essex	235	548	82%	698	5,156	99%	197%	841%
66	South East Cambridgeshire	287	1,613	86%	836	9,343	97%	191%	479%
67	Dover	45	168	100%	131	803	99%	191%	377%
68	Reading West	10	82	100%	29	372	100%	190%	357%
69	South Cambridgeshire	289	1,906	83%	827	11,050	100%	186%	480%
70	South Thanet	24	41	100%	67	164	93%	179%	299%
71	Preston	328	764	91%	907	5,986	94%	177%	683%
72	Manchester, Gorton	93	91	91%	257	2,921	96%	176%	3102%
73	Blackpool North and Cleveleys	33	232	67%	91	979	67%	176%	322%
74	Sutton Coldfield	38	235	100%	105	677	89%	176%	189%
75	Southend West	34	61	37%	94	87	96%	176%	43%
76	Luton South	12	9	16%	33	19	85%	175%	124%
77	Southampton, Itchen	43	245	100%	118	1,117	99%	174%	355%
78	Witney	507	6,362	100%	1,369	22,240	98%	170%	250%
79	Thornbury and Yate	600	5,971	79%	1,612	21,923	100%	169%	267%
80	North Swindon	92	998	75%	246	3,246	89%	167%	225%
81	Liverpool, Walton	25	54	50%	66	814	100%	164%	1407%
82	East Hampshire	211	2,133	100%	555	8,454	90%	163%	296%
83	Brent Central	29	63	29%	75	207	77%	159%	230%
84	South Basildon and East Thurrock	48	218	67%	124	934	96%	158%	329%
85	Devizes	466	4,671	95%	1,202	15,414	98%	158%	230%
86	Gosport	154	1,123	96%	396	4,263	99%	157%	280%
87	Colchester	79	178	38%	203	531	93%	157%	199%
88	Newbury	219	2,880	93%	561	7,887	95%	156%	174%
89	Broadland	98	376	85%	250	3,078	99%	155%	719%
90	Northampton North	2	1	20%	5	3	100%	150%	136%
91	South Suffolk	262	893	66%	647	4,981	99%	147%	458%
92	Dudley South	15	15	100%	37	26	95%	147%	69%
93	South West Hertfordshire	35	268	100%	86	880	98%	146%	228%
94	Central Suffolk and North Ipswich	231	2,309	68%	566	6,758	92%	145%	193%
95	Middlesbrough South and East Cleveland	322	863	97%	787	3,668	95%	144%	325%
96	West Suffolk	189	1,021	81%	458	4,549	100%	142%	346%
97	Bristol South	147	238	65%	347	804	99%	136%	238%
98	Esher and Walton	55	590	40%	129	1,560	100%	135%	165%
99	North West Norfolk	349	650	79%	816	4,657	94%	134%	617%
100	Bury St Edmunds	207	1,266	86%	484	4,360	99%	134%	244%