GMWC monitors process efficiency and quality of effluent discharge to the Petitcodiac River. Representative samples are taken following guidelines specified in the Water Quality –Sampling – Part 10: Guidance on sampling wastewaters (ISO 5667-10). Testing is carried out by GMWC’s own laboratory as well as a local accredited laboratory.

2016 - 2020 Summary operating report

 

2016  2017 2018 2019 2020  
TSS - mg/L 53 52 53 65 64
CBOD5 mg/L 67 72 67 89 99
2020 CBOD5 TSS Un-NH3 max
  mg/L mg/L mg/L
January 109 72 0.082
February 119 66 0.076
March 102 84 0.059
April 66 54 0.143
May 89 62 0.143
June 105 75 0.215
July 111 66 0.197
August 103 71 0.206
September 120 66 0.171
October 109 58 0.147
November 114 65 0.313
December 42 27 0.217
     
Average 99 64 0.164