Filtration Plant Project

Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0059407 11/14/2024 from FACET.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0059002 10/31/2024 from FACET.



This 08/20/2024 letter from the WA State DOH directs us to install a chlorination treatment system. This requirement will be integrated into the manganese removal filtration plant project, though will be required to be installed first, as per the timeline delineated in the letter.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0057466 08/23/2024 from FACET.



FACET email of 08 August 2024 about needed system upgrade of pump capacity to meet new filtration system backflush requirements.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0056789 07/25/2024 from FACET.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0056043 06/26/2024 from FACET.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0054901 05/14/2024 from FACET.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0054285 04/17/2024 DCG Watershed is now FACET.



Polnell Landing- Oxidation-Filtration Treatment (Phase 2) Invoice No: 0053682 03/25/2024 from FACET.



On 31 January, 2024, the PLWA Board authorized PLWA to enter into the below agreement with DCG Watershed to Design a new Water Treatment System for PLWA.



ATEC Systems Associates Summary of Pilot Testing, Polnell Landing, Polnell Landing Well. October 12, 2023


Correspondence to Davido Consulting Group, June 26, 2022.



At the 02 May 2022 Board meeting, the PLWA Board approved up to $30,000 to go forward with items 1-4 on the below list.

The below preliminary project estimate is from our engineer at Davido Consulting Group.



Water System Components – Expected Useful Life (Years)
Delineates water treatment systems as having an expected useful life of 15 years.

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