Table 14.3: Q95 flows for gauged watercourses upstream and downstream of
the study area
|
Watercourse name |
Gauging station ID number |
Q95 (m3/s) |
BFI |
|
Values
from NRFA website |
|||
|
River Roch (at Blackford Bridge) (upstream of Proposed Scheme) NGR: SD806077 |
69023 |
1.485 |
0.53 |
|
River Irk (Collyhurt Weir) (downstream of the Proposed Scheme) NGR: SJ848996 |
69043 |
0.912 |
0.6 |
|
River Irwell (at Adelphi) NGR: SJ824987 |
69002 |
5.01 |
0.49 |
|
Values
from the M60 J18 Simister Island Water Quality
Study (Jacobs, 2020) |
|||
|
Un-named tributary of Castle Brook (Outfall 1) NGR: SD828065 |
- |
0.00081 |
0.799 |
|
Un-named tributary of Whittle Brook (Outfall 3) NGR: SD836068 |
- |
0.00532 |
0.707 |
|
River Irk (Outfall 5) NGR: SD845047 |
- |
0.24065 |
0.597 |
|
Bradley Brook (Outfall 6) NGR: SD803044 |
- |
0.00429 |
0.721 |