PUBLIC WORKS – JANUARY 2023 Monthly Report

  • Alder Creek had a Peak Day production of 1.122 MG on January 19, 2023
  • Alder Creek water plant production net of backwash water used was 16.961 MG
  • Brownell Springs production was a total of 6.47 MG and Peak Day production was on January 21st with a total of 208,740 gallons.
  • Portland Water Bureau source production was a total of 6,146,527 gallons with a Peak Day production of 293,465 gallons on January 21, 2023.
  • We recorded a total of 4.84 inches of rainfall at the water plant with peak rainfall on January 14th with a total of 0.52 inches.

January 29, 2023 – Filter 3 EFF Pump Faulted. Chlorine pump continued to run with filter 3 raw water pump on all night injecting Chlorine into the pipe before the filter to waste and distribution valve at the injection point. Approx. 900 K of water was released out the waste gate (unchlorinated). When the plant was back online, the buildup of chlorine in the pipe was released as a large slug to the pond. Approx. 12 gallons of chlorine was pumped into the pipe overnight. Residual in the pond at 2 pm was 0.4 ppm total chlorine.

  • A total of 45.65 MG of sewage was treated in the month of January.
  • On January 19th the Peak day flow was 1.96 MG.0.05 inches of rainfall was recorded the day before and 0.39 inches the day of.
  • Monthly rainfall recorded at the plant was 3.85 inches with a peak of 0.41 inches on January 12th.
  • 868,210 gallons of sludge were dewatered, processed and landfilled during January.
  • Monthly Average Effluent- BOD: 7.1 & TSS: 9.6
  • 01/05/2023 – Process water PSI issues preventing BFP to run at full speed. Continued until Jan 27.
  • 01/06/2023 – Process water pipe broken. Unable to run BFP
  • 01/09/23 – Replaced spray nozzles/gaskets, front and back seals, retaining rings for BFP belt spray box.
  • 01/12/2023 – Switched out process water pump #1
  • 01/13/2023 – Clarifier 2 jammed by sludge blanket monitor. Emptied clarifier 2 for retrieval of fallen piece of sludge blanket monitor. Process water pumps 1 & 2 pulled, cleaned and reinstalled. When Clarifier 2 was put back online, Clarifier 1 was overwhelmed with solids (15 foot blankets) blinding tertiary filters.
  • 01/18/23 – Ras 2 pulled/ragball in impeller. Upper belt replaced on BFP.

* EFF PH DAILIY VIOLATIONS *
1/02 – 5.93
1/05 – 5.85
1/10 – 5.92
1/21 – 5.91
1/26 – 5.97
1/28 – 5.90
* EFF AMMONIA DAILY VIOLATIONS *
1/31 – 12.3