PUBLIC WORKS MONTHLY REPORT – July 2024

WATER:

·    Alder Creek had a Peak Day production of 1.243 MG on July 7, 2024

 ·    Alder Creek water plant production net of backwash water used was 29.26

 ·    Brownell Springs production was a total of 11.97 MG and Peak Day production was on July 10th with a total of 401,985 gallons.

 ·    Portland Water Bureau source production was a total of 8.78 MG’s with a Peak Day production of 518,987 gallons on July 2nd.

 ·    We recorded a total of .33 inches of rainfall at the water plant with peak rainfall on July 29th with a total of .28 inches.

EQUIPMENT ISSUES:
7/13/24 – Sump pump in manhole failed, temp pump installed in manhole.

WASTEWATER:

  • On July 2nd the Peak day flow was 1.01 MG.

1.27 inches of rainfall was recorded the day of and 0.26 inches the day after.

  • Monthly rainfall recorded at the plant was 0.23 inches with a peak of 0.20 inches on July 30th.
  • 0.46 gallons of sludge were dewatered, processed and landfilled during June.
  • Monthly Average Effluent- BOD: 2,223 lbs/day & TSS: 1,615 lbs/day

EQUIPMENT ISSUES:
7/18/24 – Tertiary UV Filter 3 backwash pump replaced

Public Works – Monthly Report – June 2024

WATER:

·     Alder Creek had a Peak Day production of 1.091 MG on June 7, 2024

 ·    Alder Creek water plant production net of backwash water used was 19.869 MG

 ·    Brownell Springs production was a total of 10.76 MG and Peak Day production was on June 3rd with a total of 413,205 gallons.

 ·    Portland Water Bureau source production was a total of 6.66 MG’s with a Peak Day production of 453,739 gallons on June 5th.

 ·    We recorded a total of 4.58 inches of rainfall at the water plant with peak rainfall on June 2nd with a total of 2.44 inches.

EQUIPMENT ISSUES:

6/19/24 – Blower 3 failed, electrician was able to adjust ECM to bring it back online.

WASTEWATER:

  • Gallons of sludge pressed: .87 MG
  • On June 3rd the Peak day flow was 2.18 MG.
  • 1.27 inches of rainfall was recorded the day of and 0.26 inches the day after.
  • Monthly rainfall recorded at the plant was 2.53 inches with a peak of 1.27 inches on June 3rd.
  • Monthly Average Effluent- BOD: 1389 lbs/day & TSS: 854 lbs/day

EQUIPMENT ISSUES:

6/13 – Geamotor replaced for Tertiary filter 1
6/15 – Effluent pipe break, all flow diverted to EQ Basin
6/26 – Pipe break repaired.

· 

PUBLIC WORKS – May Monthly Report

MAY 2024

WATER:

  • Alder Creek had a Peak Day production of 1.029 MG on May 14, 2024
  • Alder Creek water plant production net of backwash water used was 15.201 MG
  • Brownell Springs production was a total of 10.6 MG and Peak Day production was on May 29th  with a total of 408,795 gallons.
  • Portland Water Bureau source production was a total of 6.39 MG with a Peak Day production of 208,451 gallons on May 31st
  • We recorded a total of 7.76 inches of rainfall at the water plant with peak rainfall on May 21st with a total of 1.27 inches.

EQUIPMENT ISSUES:

Wall-Pak lights installed on outside of WTP building for night-time safety

WASTEWATER:

  • Total INF Flow was 42.83 MG and EFF Flow was 32.12
  • Power Consumption (kWh): 130, 400 kWh
  • On May 5th the Peak day flow was 3.65 MGD
    0.38 inches of rainfall was recorded the day before and 1.33 inches the day of.A
  • Monthly rainfall recorded at the plant was 4.49 inches with a peak of 1.33 inches on May 5th.
  • 0.73MG of sludge was dewatered, processed and landfilled during January.
  • Monthly Average Effluent- BOD: 7.1 & TSS: 9.6

EQUIPMENT ISSUES:

  • 5/1 – Switch made to summer discharge at Iseli’s Nursery
  • 5/5 – Recycle water pumps failed due to suspected airlock, temp pump hooked up by city crew for redundancy.
  • 5/6 – Process water pump #1 pulled and replaced.
  • 5/15 -PSI Setpoint changes to blower controls to achieve reduction in aeration basin DO and improve settleability.
  • 5/21 – Clarifier 1 drive motor replaced

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

Public Works Monthly Reports

  • Alder Creek had a Peak Day production of 1.086 MG on December 23, 2022.
  • Alder Creek water plant production net of backwash water used was 19.418 MG
  • Brownell Springs production was a total of 6.30 MG and Peak Day production was on December 17th with a total of 208,740 gallons.
  • Portland Water Bureau source production was a total of 3,639,668 gallons with a Peak Day production of 506,083 gallons on December 20, 2022.
  • We recorded a total of 10.38 inches of rainfall at the water plant with peak rainfall on December 26th with a total of 1.21 inches.

EQUIPMENT ISSUES:
* High Turbidity Events –
 12/01 – Rains (1.45 & 0.85)
 12/20 – Rains (0.96)
 12/26 – Rains (1.21)
 12/27 – Rains (1.13)
*Filter 1 & 2 rewiring first week of December.
* December 22nd & 23rd (Freezing Rain – Event Power Outage)

  • A total of 60.43 MG of sewage was treated in the month of December
  • On December 27th the Peak day flow was 3.55 MG.
    0.16 inches of rainfall was recorded the day before and 1.21 inches the day of.
  • Monthly rainfall recorded at the plant was 8.30 inches with a peak of 1.35 inches on Christmas Day (December 25th)
  • 768,140 gallons of sludge were dewatered, processed and landfilled during November.
  • Monthly Average Effluent- BOD: 3.38 & TSS: 3.88

EQUIPMENT ISSUES:
1.   RAS 1 Down, nut jammed in impeller and damaged coupling (December 11th)
2.   PLC rewired at WWTP (Week of December 12th)
3.   New Caustic pump added at headworks (December 15th)
4.   WAS 2 communication issues. 15 Strokes (December 19th)
5.   UV/Bank 1A not turning on in Auto. Waste pump 1 malfunctioning through PLC…turning on and off rapidly (December 20th)
6.   Cell 1 diffuser replacement for ASSAB (December 21st)
7.   Ice Storm, Clarifier 1 tripped and Clarifier 2 caught up on scum beach (December 22nd)
8.   Pipe break in solids building (December 26th)
9.   Heavy Rains / High Winds & Power Outages cause multiple disruptions, Clarifier 1 EMC (December 27th)
10. Pipe break fixed (December 28th)
11. City removed rag islands from ASSB (December 29th)

NPDES PEREMIT EXCEEDANCES OR EXCURSIONS:
* EFF PH DAILIY VIOLATIONS *
12/09 – 5.92
12/10 – 5.85
12/11 – 5.90
12/25 – 5.97
12/26 – 5.86
12/29 – 5.79

PUBLIC WORKS – Monthly Report – November 2022

WATER:

  • Alder Creek had a Peak Day production of 0.910 MG on November 6, 2022.
  • Alder Creek water plant production net of backwash water used was 19.141 MG
  • Brownell Springs production was a total of 6.82 MG and Peak Day production was on November 7th with a total of 429,120 gallons.
  • Portland Water Bureau source production was a total of 1,199,198 gallons with a Peak Day production of 326,670 gallons on November 4th.
  • We recorded a total of 11.86 inches of rainfall at the water plant with peak rainfall on November 4th with a total of 2.95 inches

EQUIPMENT ISSUES:
* NO Power / Loss of Leg “B” / Generator Power / Raw Water Pump Malfunction / High
Turbidity due to rain (11/4/22)
* NO Power / Loss of Leg “C” / Generator Power / High Turbidity due to rain (11/5/22)
* Return to PGE Power (11/6/22)
* Multiple Pump 7/10 malfunctions at Terra Fern

WASTEWATER:

  • A total of 47.49 MG of sewage was treated in the month of November.
  • On November 30th the Peak day flow was 3.67 MG.
    * 1.02 inches of rainfall was recorded the day before and 0.53 on December 1st.
  • Monthly rainfall recorded at the plant was 8.45 inches with a peak of 1.8 inches on the 5th of November.
  • 624,830 gallons of sludge were dewatered, processed and landfilled during November.
  • Monthly Average Effluent- BOD: 7.38 & TSS: 10.25

    EQUIPMENT ISSUES:
    * Low Flows through Clarifier 1 (entire month)
    * Sludge Blower 1 inoperative (November 2, 2022)
    * Moyno repair / replacement. Need additional repair to be fully operational
    (November 3,2022)
    * Bottleneck to Clarifier 1 (November 7, 2022)
    * Line Vac by the city for Clarifier 1 (November 10, 2022)
    * RAS in manual – Not connected to Scada.  WAS Scada Target Gallons to Waste Totals
    reflecting far less than is being pumped (November 16, 2022)
    * RAS 1 pulled – Bolt stuck in propeller (November 17, 2022)
    * UV Fail – Bulb for Module 1B14, 1B13, 1B12, 1B24, 1B23, 1B22, 1B31 replaced.
    – All wipers replaced for side 1B.
    – Hydraulic cylinder replaced for 1B12
    – Coolant pump repaired – second pump installed – Needs an overload switch
    – Ecoli Exceedance due to UV failure (November 17, 2022)
    * Disk Filter bypass due to heavy rains (1.55” in 24 hours & total INF Flow 3.67)
    (November 30, 2022)

    NPDES PEREMIT EXCEEDANCES OR EXCURSIONS:
    * E.Coli > 2419.2 (November 16, 2022)
    * Ammonia: 17.2 (November 15, 2022)
    * Ammonia: 12.4 (November 16, 2022)
    * Ammonia: 16.9 (November 21, 2022)
    * Ammonia: 13.8 (November 22, 2022)
    **Monthly Ammonia 9.98**

PUBLIC WORKS – Monthly Report

OCTOBER 2022

WATER:

  • Alder Creek had a Peak Day production of 1.537 MG on October 25, 2022.
  • Alder Creek water plant production net of backwash water used was 18.532MG
  • Brownell Springs production was a total of 4.09 MG and Peak Day production was on October 18th with a total of 137,595 gallons.
  • Portland Water Bureau source production was a total of 13,945,225 gallons with a Peak Day production of 620,320 gallons on October 6th.
  • We recorded a total of 5.67 inches of rainfall at the water plant with peak rainfall on October 21st with a total of 1.28 inches.

EQUIPMENT ISSUES:
* CI-17 Failure (Terra Fern) Repaired colorimeter cell in CI-17
* Leaks increasing at Sandercock, new leak observed at the back of the reservoir.
* Pump 8 & 9 pulled at Terra Fern and out for repair.
* Pump 11 motor burned out and needs replacement at Terra Fern
* Did not meet CT’s Oct 21st and 22nd
* Pressure release valve replaced at Hudson

WASTEWATER

  • A total of 30.83 MG of sewage was treated in the month of September
  • On October 31st the Peak day flow was 1.62 MG. 0.01 inches of rainfall was recorded the day before and 1.08 on October 31st.
  • Monthly rainfall recorded at the plant was 3.55 inches with a peak of 1.08 inches on the 31st of October.
  • 500,780 gallons of sludge were dewatered, processed and landfilled during September.
  • Monthly Average Effluent BOD & TSS – N/A (Recycled)

EQUIPMENT ISSUES:
* RAS motors replace (1&2)
* Blower 1 pulled (10/13)
* Bearing overheating on BFP (10/13)
* Blower 1 leaking oil (10/14)
* Launder pulled on Clarifier 1 (10/20)
* TAG team working on PLC/MCC replacement (10/21)
* Pumps replaced in Cell 1 for decant water to solids.
* Blower 1 & 3 repaired ad back online (10/24)
* Diffusers/Air restored to AB2 – Both AB’s online (10/24)
* Clarifier 1 back online (10/31)
* Blower 4 will need maintenance

NPDES Permit Exceedances or Excursions: N/A

FUN & APPRECIATION:

* Appreciation lunch – Hosted by PW as a Thank You to everyone who helps make everything happen.  This lunch also included one of our contractors Veolia who helps us manage the Water Treatment Plant.

PUBLIC WORKS – Monthly Report – September 2022

WATER:

  • Alder Creek had a Peak Day production of 1.664 MG on September 12th.
  • Alder Creek water plant production net of backwash water used was 25.2318 MG
  • Brownell Springs production was a total of 4.47 MG and Peak Day production was on September 9th with a total of 400,170 gallons
  • Portland Water Bureau source production was a total of 13,071,512 gallons with a Peak Day production of 519,059 gallons on September 20th.
  • We recorded a total of 1.06 inches of rainfall at the water plant with peak rainfall on September 28th with a total of 0.49inches.

    EQUIPMENT ISSUES:
    Power Outage from September 9th – 11th creating the generator to overheat at Terra Fern.

WASTEWATER

  • A total of 20.98 MG of sewage was treated in the month of September
  • On September 5th the Peak day flow was 1.07 MG. No rainfall was recorded that day or the day before. 
  • Monthly rainfall recorded at the plant was 0.59 inches with a peak of 0.20 inches on the 29th of September
  • 667,200 gallons of sludge were dewatered, processed and landfilled during September
  • Monthly Average Effluent BOD & TSS – N/A (Recycled)

EQUIPMENT ISSUES:

  • Caustic Pump Replaced (9/2)
  • Pumps out for Cell 2 & 3, temporarily using Slaydens portable pumps (9/17)
  • Pond scraped to remove solids (9/20)
  • AB2 switch over (9/22)
  • DEQ onsite (9/27)
  • Rivercity onsite to clean out AB2 (9/27)
  • IMLR 1 pulled & sent to triangle for repair – Not functioning (9/29) (Breaker change out.  Flowmeter on EFF tripping causing pumps to Iseli’s nursery to not function. EFF levels high)
  • NPDES Permit Exceedances or Excursions: Coliform at 27.20 (9/8)

STREETS:

Here is a picture of all the street lights in our Ubivu street lighting program that are all LED.  About 1,100 street lights switched to LED and controlled by the Ubicquia control nodes.

PUBLIC WORKS – Monthly Report – August 2022

WATER:

  • Alder Creek  had a Peak Day production of 1.365 MG on August 26th.
  • Alder Creek  water plant production net of backwash water used was 29.440 MG.
  • Brownell Springs production was a total of 9.4 MG and Peak Day production was on August 9th with a total of 426,180 gallons.
  • Portland Water Bureau  source production was a total of 15,403,775 gallons with a Peak Day production of 501,009 on August 11th.
  • We recorded a total of .13 inches of rainfall at the water plant with peak rainfall on August 9th with a total of .05 inches.
  • EQUIPMENT ISSUES:  N/A

WASTEWATER

  • On August 18th the Peak day flow was .79 MG and there was 0 .00 inches of rainfall. 
  • A total of 20.97 MG of sewage was treated in the month of August.
  • Monthly rainfall recorded at the plant was 0.00 inches in August.
  • 565,060 gallons of sludge were dewatered, processed and landfilled during August.
  • Monthly Average Effluent BOD & TSS (concentration) was RECYCLED in the month of August.
  • EQUIPMENT ISSUES: 
    * August 2nd  – Replace Bearing Draft Shaft Assembly (Belt Press).
    * August 3rd – Motor on Tertiary 1 replaced.
    * August 6th   – New HACH EFF Sampler installed.
    * August 11th  – Tertiary 1 carpet replaced.
    * August 12th  – Mechanical Seal Failure (Pista Grit)
                          – Headworks not connecting to generator w/ power outage
    * August 13th  – Blower 1 & 2 (Aeration) Oil leaking/filling sight glass past fill line and
    dropping oi (Tech called) Blower 3 – continued power trip
    * August 19th – Agri-plas hauled 50 empty drums offsite
                          – New Mechanical Seal installed on Pista Grit
    * August 22nd  – BFP feed pipe failure 08
    * August 23rd  – BFP back online
    * August 26th  – EFF Ultrasonic Level Sensor Failure
  • PERMIT EXCEEDANCES OR EXCURSIONS:  N/A


STREETS: The City’s street sweeping contractor removed 18 cubic yards of debris in August.

Public Works – JULY Monthly Report

WATER:

  • Alder Creek  had a Peak Day production of 1.552 MG on July 30th.
  • Alder Creek  water plant production net of backwash water used was 22.768 MG.
  • Brownell Springs production was a total of 12.5 MG and Peak Day production was on July 14th with a total of 447,615 gallons.
  • Portland Water Bureau  source production was a total of 15,402,707 gallons with a Peak Day production of 500,736 on July 1st.
  • We recorded a total of .54 inches of rainfall at the water plant with peak rainfall on July 5th with a total of .46 inches.
  • EQUIPMENT ISSUES:  Several communication & callout issues occurred & are under investigation.  Working with industrial to solve the problem.  Gate valve solenoid replaced.

WASTEWATER

  • On July 15th the Peak day flow was 1.28 MG and there was 0 .00 inches of rainfall. 
  • A total of 21.02 MG of sewage was treated in the month of July
  • Monthly rainfall recorded at the plant was 0.20 inches with a peak of 0.14 inches on the 6th of July.
  • 443,700 gallons of sludge were dewatered, processed and landfilled during July.
  • Monthly Average Effluent BOD & TSS (concentration) was RECYCLED in the month of July.
  • EQUIPMENT ISSUES: 
    * July 1st – Replaced 4 UV Bulbs and 3 Ballast Replacements
    * July 2nd – Tertiary Filters still down.  Causing blinding of filter 2
    * July 7th – Rented Irrigation Pump
    * July 11th – Replaced and recycled Pump 1 breaker
    * July 16th – Bearing draft shaft assembly failure (BFP)
    * July 18th – WAS Pump 1 was sent out for repair (triangle)
  • PERMIT EXCEEDANCES OR EXCURSIONS:  N/A


STREETS:
The City’s street sweeping contractor removed 35 cubic yards of debris