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Wastewater Treatment Plant Upgrade





Contact
Public Works Director Paul Hartwig

Em: phartwig@cpwa.us
Ph: (509)-394-8526

The College Place Wastewater Facility Plant Upgrade is required as part of the City's permit renewal from the State for operating the wastewater system. The full upgrade is divided over four phases over a period of twenty years. Phase 1 is construction of an impoundment, upgrade the sequencing batch reactors, replacing equipment, and acquisition of additional land 80 acres (completed) for farming operations for water soluable crops that absorb the treated Class B wastewater. Phase 1 improvements will go through 2023 and have an estimated price tag of $20 million. This project has been within the city's six year Capital Facility Plan since 2017. It is being driven solely by State Permitting Regulations. The City is working with State, Federal, and other partners to submit a variety of grants to help pay for the projects to try to cushion the amount of utility rate increases needed to fund the State mandated project. A flier summarizing the project is located here. 

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Planning & Engineering 5 documents
CAT:574
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Facility plan required by State to maintain system permit.
document seq 0.00
file:577
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Document detailing state acceptance of Wastewater Facility Plan
document seq 0.00
file:578
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Wastewater Treatment Plant Facility Plan Signed By Engineer
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file:579
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Final deed document to 80 acres purchased from State DNR for WWTP Expansion to satisfy state regulations.
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file:580
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Resolution 19-028 permitted the acquisition of the College Place 80 property.
document seq 0.00
file:581
Grants & Loans 1 documents
CAT:575
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Contract for $2.5 million to undertake complete final engineering for the Wastewater Treatment Plant renovation and begin improvements.
document seq 0.00
file:582
Construction No documents
CAT:576