Crap Towns / Hertford / Pollution incidents

How often does Hertford get polluted?

1 serious pollution incident has been recorded in Hertford or within 1 km of it since 2016, one of the 281 English towns with just one. It came in June 2025 and put unidentified oil in the water.

The incidents
WhenWhatWhereImpact
June 2025Unidentified oilIn the waterSignificant
Nearby towns
TownDistanceSerious incidents since 2016
Harlow14.3 km7
Hoddesdon6.7 km6
Cheshunt10.4 km5
Potters Bar13.0 km4
Stevenage14.4 km3
Ware4.1 km3
Waltham Abbey13.8 km2
Hatfield10.8 km1
Hertford–1
Waltham Cross12.7 km1
Welwyn Garden City7.5 km1