If you are affected by the smell, phone the Environment Agency to report it. They want to know and they're very nice - call 0800 80 70 60.
You can also contact your local councillors;
Marilyn Charlton tel; 01207 542043 email; cllr.mcharlton@gateshead.gov.uk
Maria Hall tel; 0191 440 9932 email; cllr.mhall@gateshead.gov.uk
Julie Simpson tel; 01207 545 427 email; cllr.jsimpson@gateshead.gov.uk
Search WINLATON ACTION GROUP on Facebook for more information.