All regions / Thames Valley / River Thames
Maidenhead
Boulter's Lock and Ray Mill Island. 191 km from the source, 55 monitors upstream.
No spills reported in the last 48 hours
Monitor data updated 2 minutes ago · 06:13 BST
- Discharging now
- 0
- Spills, last 48h
- 0
- Spills, last 30 days
- 2
- Upstream monitors
- 55
- Maidenhead
- Discharging
- Monitor
- Offline
Last 30 days
Upstream overflows were discharging on 2 of the last 30 days, for 1.3 hours in total.
16 Sep
Today
2 spills recorded
| Started | Duration | Monitor | Watercourse |
|---|---|---|---|
| Wed 7 Oct, 11:15 | 45 min | TWL00204 | River Ray |
| Thu 24 Sep, 14:45 | 30 min | TWL00119 | River Thames |
Upstream storm overflows
Nearest first. Distances follow the water, including tributaries.| Monitor | Watercourse | Upstream | Status | Last spill | Duration | Spills, 30 days |
|---|---|---|---|---|---|---|
| TWL00204 River Ray · 142.1 km | River Ray | 142.1 km | Not discharging Last spill 1 week ago · 1 in 30 days | 1 week ago | 45 min | 1 |
| TWL00119 River Thames · 172.8 km | River Thames | 172.8 km | Not discharging Last spill 2 weeks ago · 1 in 30 days | 2 weeks ago | 30 min | 1 |
| TWL00270 River Thames · 8.0 km | River Thames | 8.0 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 174 min | 0 |
| TWL00209 River Thames · 20.0 km | River Thames | 20.0 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 90 min | 0 |
| TWL00191 River Thames · 24.3 km | River Thames | 24.3 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 8 min | 0 |
| TWL00428 River Loddon · 31.6 km | River Loddon | 31.6 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 75 min | 0 |
| TWL00345 River Thames · 38.5 km | River Thames | 38.5 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 6 min | 0 |
| TWL00176 Blackwater River · 53.3 km | Blackwater River | 53.3 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 30 min | 0 |
| TWL00199 River Thames · 58.7 km | River Thames | 58.7 km | Not discharging Last spill none recorded · 0 in 30 days | None recorded | - | 0 |
| TWL00301 River Kennet · 61.2 km | River Kennet | 61.2 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 195 min | 0 |
| TWL00359 Blackwater River · 63.0 km | Blackwater River | 63.0 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 30 min | 0 |
| TWL00070 Blackwater River · 66.3 km | Blackwater River | 66.3 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 315 min | 0 |
| TWL00627 Blackwater River · 66.6 km | Blackwater River | 66.6 km | Not discharging Last spill 10 months ago · 0 in 30 days | 10 months ago | 4 min | 0 |
| TWL00028 River Loddon · 66.7 km | River Loddon | 66.7 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 75 min | 0 |
| TWL00211 River Pang · 70.2 km | River Pang | 70.2 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 240 min | 0 |
| TWL00309 River Kennet · 70.5 km | River Kennet | 70.5 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 4 min | 0 |
| TWL00017 Blackwater River · 73.1 km | Blackwater River | 73.1 km | Not discharging Last spill 8 months ago · 0 in 30 days | 8 months ago | 735 min | 0 |
| TWL00157 River Thame · 74.9 km | River Thame | 74.9 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 330 min | 0 |
| TWL00472 Blackwater River · 77.5 km | Blackwater River | 77.5 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 45 min | 0 |
| TWL00007 Blackwater River · 77.5 km | Blackwater River | 77.5 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 45 min | 0 |
| TWL00743 Blackwater River · 77.5 km | Blackwater River | 77.5 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 62 min | 0 |
| TWL00259 River Kennet · 83.3 km | River Kennet | 83.3 km | Not discharging Last spill 3 months ago · 0 in 30 days | 3 months ago | 4 min | 0 |
| TWL00240 River Kennet · 88.1 km | River Kennet | 88.1 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 2400 min | 0 |
| TWL00165 River Lambourn · 90.7 km | River Lambourn | 90.7 km | Not discharging Last spill 5 months ago · 0 in 30 days | 5 months ago | 30 min | 0 |
| TWL00273 River Thames · 101.5 km | River Thames | 101.5 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 4 min | 0 |
| TWL00411 River Thames · 105.5 km | River Thames | 105.5 km | Not discharging Last spill 8 months ago · 0 in 30 days | 8 months ago | 45 min | 0 |
| TWL00387 River Ock · 111.8 km | River Ock | 111.8 km | Not discharging Last spill 8 months ago · 0 in 30 days | 8 months ago | 405 min | 0 |
| TWL00075 River Thames · 113.6 km | River Thames | 113.6 km | Not discharging Last spill 2 years ago · 0 in 30 days | 2 years ago | 210 min | 0 |
| TWL00244 River Ray · 119.8 km | River Ray | 119.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 60 min | 0 |
| TWL00146 River Thame · 120.1 km | River Thame | 120.1 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 765 min | 0 |
| TWL00085 River Ray · 125.1 km | River Ray | 125.1 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 60 min | 0 |
| TWL00478 River Thame · 127.2 km | River Thame | 127.2 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 75 min | 0 |
| TWL00110 River Evenlode · 128.6 km | River Evenlode | 128.6 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 135 min | 0 |
| TWL00385 River Windrush · 129.4 km | River Windrush | 129.4 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 810 min | 0 |
| TWL00403 River Cherwell · 135.6 km | River Cherwell | 135.6 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 30 min | 0 |
| TWL00184 River Evenlode · 136.6 km | River Evenlode | 136.6 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 210 min | 0 |
| TWL00083 River Evenlode · 140.1 km | River Evenlode | 140.1 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 120 min | 0 |
| TWL00223 River Cherwell · 143.0 km | River Cherwell | 143.0 km | Not discharging Last spill none recorded · 0 in 30 days | None recorded | - | 0 |
| TWL00296 River Thame · 148.5 km | River Thame | 148.5 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 45 min | 0 |
| TWL00263 River Leach · 155.1 km | River Leach | 155.1 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 150 min | 0 |
| TWL00063 River Windrush · 156.7 km | River Windrush | 156.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 150 min | 0 |
| TWL00025 River Cherwell · 164.1 km | River Cherwell | 164.1 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 735 min | 0 |
| TWL00178 River Coln · 164.3 km | River Coln | 164.3 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 45 min | 0 |
| TWL00281 River Cherwell · 165.4 km | River Cherwell | 165.4 km | Not discharging Last spill 9 months ago · 0 in 30 days | 9 months ago | 10 min | 0 |
| TWL00183 River Cherwell · 166.5 km | River Cherwell | 166.5 km | Not discharging Last spill 1 year ago · 0 in 30 days | 1 year ago | 510 min | 0 |
| TWL00057 River Evenlode · 169.7 km | River Evenlode | 169.7 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 30 min | 0 |
| TWL00600 River Thames · 172.8 km | River Thames | 172.8 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 8 min | 0 |
| TWL00122 River Cherwell · 174.8 km | River Cherwell | 174.8 km | Not discharging Last spill 6 months ago · 0 in 30 days | 6 months ago | 915 min | 0 |
| TWL00726 River Evenlode · 175.9 km | River Evenlode | 175.9 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 240 min | 0 |
| TWL00136 River Evenlode · 176.1 km | River Evenlode | 176.1 km | Not discharging Last spill 8 months ago · 0 in 30 days | 8 months ago | 270 min | 0 |
| TWL00427 River Cherwell · 178.3 km | River Cherwell | 178.3 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 75 min | 0 |
| TWL00095 River Cherwell · 180.0 km | River Cherwell | 180.0 km | Not discharging Last spill 7 months ago · 0 in 30 days | 7 months ago | 135 min | 0 |
| TWL00314 River Leach · 183.3 km | River Leach | 183.3 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 45 min | 0 |
| TWL00461 River Cherwell · 190.7 km | River Cherwell | 190.7 km | Not discharging Last spill 1 month ago · 0 in 30 days | 1 month ago | 45 min | 0 |
| TWL00011 River Coln · 206.3 km | River Coln | 206.3 km | Not discharging Last spill 4 months ago · 0 in 30 days | 4 months ago | 495 min | 0 |
53 more monitors upstream had no spill in the last 30 days.