Grimsby Water Treatment Plant - 2018 Summary Report

Prepared under Ontario Regulation 170/03

The Grimsby Water Treatment Plant was operated in such a way that at no time did it fail to meet or exceed the requirements of the Act, the Regulations, the system's approval or any order that may have been issued from Jan. 1, to Dec. 31, 2018.

Summary of Flows

Date Total Flow Raw (ML) Total Flow Treated (ML) Average Day Raw (ML) Average Day Treated (ML) Maximum Day Treated (ML) Minimum Day Treated (ML) Maximum Flow Rate Treated (ML/d) Minimum Flow Rate Treated (ML/d) Waste Sludge (ML)
Jan 414.622 416.369 13.375 13.093 15.042 12.022 12.926 13.507 1.106
Feb 354.535 356.979 12.662 12.749 13.878 11.649 17.154 8.002 1.392
Mar 403.471 404.538 13.015 13.050 14.086 12.100 11.695 14.345 0.809
Apr 404.677 396.065 13.489 13.202 14.498 11.857 17.456 8.676 2.307
May 483.141 481.737 15.585 15.540 20.968 13.064 23.167 9.206 0.789
Jun 562.669 558.598 18.756 18.620 23.809 13.312 29.904 8.735 0.707
Jul 636.146 625.639 20.521 20.182 25.717 13.037 33.139 3.704 1.052
Aug 530.532 526.613 17.114 16.988 20.126 13.782 16.651 16.242 1.128
Sep 475.568 468.128 15.852 15.604 18.369 13.308 14.142 15.047 0.974
Oct 423.797 419.155 13.671 13.521 15.265 11.541 12.637 14.356 1.093
Nov 386.797 384.374 12.893 12.812 13.821 11.677 11.686 13.321 2.608
Dec 405.950 404.121 13.095 13.036 14.507 11.071 12.377 12.257 0.481
Total 5481.905 5442.316             14.446
Minimum           11.071   3.704 0.481
Maximum         25.717   33.139   2.608
Average     15.002 14.866         1.204

The flow rates are moments in time, and can be affected by various circumstances, such as pump changes or valve position and therefore not unusual to have higher or lower than normal flows.

Comparison of Actual to System Approved Flow

Flow rates as set in the Municipal Drinking Water Licence # 007-105 and Drinking Water Works Permit # 007-205.

Maximum daily flow: 44.000 ML
Maximum flow rate: 44.000 ML/day

Date Average Day Treated (ML) % of Rated Capacity Maximum Day Treated (ML) % of Rated Capacity Maximum Flow Rate Treated (ML/d) % of Rated Capacity
Jan 13.093 29.8% 15.042 34.2% 12,926 29.4%
Feb 12.749 29.0% 13.878 31.5% 17.154 39.0%
Mar 13.050 29.7% 14.086 32.0% 11.695 26.6%
Apr 13.202 30.0% 14.498 33.0% 17.456 39.7%
May 15.540 35.3% 20.968 47.7% 23.167 52.7%
Jun 18.620 42.3% 23.809 54.1% 29.904 68.0%
Jul 20.182 45.9% 25.717 58.4% 33.139 75.3%
Aug 16.988 38.6% 20.126 45.7% 16.651 37.8%
Sep 15.604 35.5% 18.369 41.7% 14.142 32.1%
Oct 13.521 30.7% 15.265 34.7% 12.637 28.7%
Nov 12.812 29.1% 13.821 31.4% 11.686 26.6%
Dec 13.036 29.6% 14.507 33.0% 12.377 28.1%
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