THOMPSON YATES LABORATORIES REPORT 
TABLE V 
Streams of the Lake Vyrnwy Watershed 
Jan. i i, 1900 Llettyreos Stream 
„ I Nant-y-Maes Stream 
Pistill-y-Ceunant Stream. 
Llwvnrhiw Stream 
Hirddu River... 
Stream S.E. of Eunant 
Quarry 
Stream N.W. of Eunant 
Quarry 
B. coli commune 
Less than 1 per c.c. 
Absent 
Less than 1 per c.c. 
Absent 
Bottle broken 
Eunant River ... 
Nant Llwyn ... 
Nadweddor Rhiwargor 
River ... ... Less than 
Absent 
Absent 
1 per c. 
Iddevv or 
River 
-Coed 
Jan. 22, 1 900 
Alltforgan Stream (taken 
near house) 
Ceunant Moel - y - Nant 
Stream 
Garneddwen Stream 
Ceunant-y-Ffinnant 
Llechwedd 
Cedig River ... 
Surface of Lake at Tower 
Stream W. of Hendre ... 
Stream N. of Hendre 
Compensation water drawn 
from near bottom of 
Lake 
Stream Glyn-du 
Stream N.W. of old Nur- 
sery 
Present 
Less than 
per c.c. 
Very possible contamination 
from a farm-house on the 
margin of the stream ; a 
suspected case 
There are dwelling houses 
near, but their drainage has 
been carefully attended to ; 
no apparent cause for sus- 
picion 
[There was a gang of men 
' working close to this stream 
at this date 
