Citizen river monitoring

Know the moment the Mole is spilling.

Free alerts when a storm overflow starts discharging into the River Mole and its tributaries — straight to your phone, so you can act, record, and hold the right people to account.

Live status · all monitored outfalls

No spills currently detected across 577 monitored outfalls. Tap pins on the map to choose which to follow.
Discharging Not discharging Offline Unknown

Tap the monitors near you (or the stretches you care about) to select them, then fill in your number below.

Get spill alerts

We'll only message you about the monitors you choose on the map. You can stop any time by replying STOP.

0 monitor(s) selected — tap pins on the map above to choose.

Alerts are based on Thames Water's Event Duration Monitoring data, which is indicative and can be inaccurate or delayed. This is not a safety guarantee.