Decew Falls Water Treatment Plant - 2015 Summary Report

Prepared under Ontario Regulation 107/03

The Decew Falls 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, 2015.

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)
January 1,715.350 1,430.669 55.334 46.151 48.781 42.727 85.921 24.500 0.851
February 1,536.487 1,294.950 54.875 46.248 49.516 42.818 73.381 25.609 2.682
March 1,798.196 1,510.863 58.006 48.738 51.436 46.413 117.557 25.800 3.083
April 1,734.092 1,462.727 57.803 48.758 52.189 46.000 76.901 25.853 3.892
May 2,105.243 1,828.104 67.911 58.971 70.601 50.083 94.744 31.227 2.426
June 1,843.108 1,644.048 61.437 54.802 60.953 49.347 79.068 32.213 5.146
July 2,133.874 1,975.478 68.835 63.725 81.102 52.510 114.363 35.837 4.075
August 2,074.396 1,954.576 66.916 63.051 71.039 58.038 94.788 39.464 1.062
September 1,985.302 1,875.199 66.177 62.507 73.055 55.515 89.763 36.364 2.720
October 1,736.549 1,646.606 56.018 53.116 58.770 49.674 81.652 18.686 3.106
November 1,587.994 1,490.567 52.933 49.686 52.793 47.146 80.290 22.161 2.858
December 1,689.917 1,516.626 22.231 48.923 54.230 42.519 76.290 18.620 2.858
Total 21,940.508 19,630.413             34.759
Minimum           42.519   18.620 0.851
Maximum         81.102   117.557   5.146
Average     57.373 53.723         2.897

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 # 007-102 and Drinking Water Works Permit # 007-202.

Maximum daily flow: 227.300 ML
Maximum flow rate: 227.300 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
January 46.151 20.3% 48.781 21.5% 85.921 37.8%
February 46.248 20.3% 49.516 21.8% 73.381 32.3%
March 48.738 21.4% 51.436 22.6% 117.557 51.7%
April 48.758 21.5% 52.189 23.0% 76.901 33.8%
May 58.971 25.9% 70.601 31.1% 94.744 41.7%
June 54.802 24.1% 60.953 26.8% 79.068 34.8%
July 63.725 28.0% 81.102 35.7% 114.363 50.3%
August 63.051 27.7% 71.039 31.3% 94.788 41.7%
September 62.507 27.5% 73.055 32.1% 89.763 39.5%
October 53.116 23.4% 58.770 25.9% 81.652 35.9%
November 49.686 21.9% 52.793 23.2% 80.290 35.3%
December 48.923 21.5% 54.230 23.9% 76.290 33.6%

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