Click table column heading to sort
| Test from | Result | by | type | date | time |
|---|---|---|---|---|---|
| Ogof Diwedd Yr Enfys | ? | Gascoine | 1982 | ||
| Banwen Gwys Sink | - | Lycopodium | |||
| Ogof Carreg Lem | + | Gascoine | Lycopodium | 1982 | 48 hrs |
| Ogof Twyn Tal-Draenen | + | Gascoine | Lycopodium | 1982 | 48 hrs |
| Sinc y Giedd - Sink 3 | + | turbidity | <1809 | 24 hrs | |
| Lost Valley Sink | + | Gascoine | Lycopodium | 1982 | 2 days |
| Swallow Hole | + | ||||
| Pwll Y Wydden Sink | + | 1960s | |||
| Pwll Dwfn | + | 1960s | 91 hrs | ||
| Dan-yr-Ogof | + | ||||
| Ogof Giedd | ? |