Crap Towns / Treharris / Sewage

How much sewage spills near Treharris?

Storm overflows within 1 km of Treharris spilled for 1,250 hours per 10,000 people a year from 2023 to 2025, 4.5 times the typical town's 275. In 2025 it was 1,106, down from 1,202 in 2023.

Over time
PeriodHereTypical town
20231,202315
20241,443307
20251,106148
Nearby towns
TownDistanceSpill hours per 10,000 people a year
Abercynon2.1 km13,085
Pontllanfraith8.0 km4,439
Bargod5.8 km3,875
Porth8.8 km3,255
Pontypridd6.6 km2,684
Ystrad Mynach5.2 km2,595
Blackwood7.5 km2,585
Oakdale10.0 km1,300
Treharris–1,250
Abertridwr and Senghenydd7.6 km888
Mountain Ash6.1 km757
The typical town–275