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Back To: Utilities Department | Utilities Department Projects

Wastewater Treatment Plant Improvement Project

The City of Salina Kansas owns and operates the Salina Wastewater Treatment Plant (WWTP) located at 596 N. Marymount Road. The WWTP has a permitted design flow of 7.25 Million Gallons per Day (MGD) with a current average daily flow of 3.55 MGD. The treated effluent is discharged to the Smoky Hill River. The WWTP was originally construction in 1926 to provide liquid and solids treatment of influent flows. The WWTP has gone through several upgrades to improve operations and meet effluent requirements. An overview of these improvements is as follows:

Year

Improvement

1993
The treatment plant consisted of 2 primary clarifies, 2 high-rate tickling filters, 2 intermediate clarifiers, and 1 anaerobic digester, which is now used as the Second Anaerobic Digester
1993Liquid process improvements consisted of adding 2 primary clarifiers, 2 high rate tickling filter, and 2 intermediate clarifies. Solids process improvements consisted of adding 3 new primary anaerobic digesters.
1993Liquid process improvements consisted of adding a new headworks building with 2 fine screens and 2 aerated grit basins, 3 new aeration basins, 3 final clarifiers, UV Disinfection, and post aeration. Solids process improvements consisted of adding 1 new primary anaerobic digester.
1994Solids process improvements consisted of adding a belt filter press dewatering building.
2013The high rate trickling filters and intermediate clarifiers were taken out of service and are no longer in use

WWTP Improvements History Picture.png

Many plant components have reached the end of their useful life and require rehabilitation or replacement. The City is also facing forthcoming requirements for nutrient removal to meet effluent limits for total nitrogen (TN) and total phosphorus (TP) per the current National Pollutant Discharge Elimination System (NPDES) permit effective January 1, 2020 through December 31, 2024.

A Capital Improvements Plan (CIP) to meet the above objectives was prepared as follows:

  • Phase I of the CIP consists of a project to rehabilitate or replace critical infrastructure at the WWTP to keep the plant operational generally intended to be for facilities utilized in the current and future treatment schemes.
  • Phase II of the CIP will address the implementation of upcoming TN and TP effluent limits and will address only a portion of the plant capacity (6.4 MGD).
  • Future Phase III of the CIP will address the remaining capacity of the plant.

Estimated Project Costs

Cost

Phase

$3,577,149
$37,075,533
Pre-construction Engineering Services
Complete Engineering and Construction Costs
$40,652,682
$980,990
Subtotal
HDR Owner's Representative Services
$41,663,672Estimated Total Project Cost for WWTP Improvements

Source of funding 

KDHE Kansas Water Pollution Control Revolving Fund in the amount of $41,500,000 at an interest rate of 1.30%.

Estimated Project Schedule 

Date

Milestone

February 16, 2023Notice to Proceed with Construction
July 11, 2024Construction complete for Phosphorus Removal
June 11, 2025Construction complete for Nitrogen Removal
December 1, 2025Substantial Completion of Construction
February 4, 2026Final Completion of Construction

Contact Us

Utilities Department

Location

300 W. Ash St. Room 205 Salina, KS 67401

Office Hours

Monday - Friday (8:00 AM - 5:00 PM)

Phone

(785) 309-5725

Director: Martha Tasker
Wastewater Treatment Plant Improvement Project

The City of Salina Kansas owns and operates the Salina Wastewater Treatment Plant (WWTP) located at 596 N. Marymount Road. The WWTP has a permitted design flow of 7.25 Million Gallons per Day (MGD) with a current average daily flow of 3.55 MGD. The treated effluent is discharged to the Smoky Hill River. The WWTP was originally construction in 1926 to provide liquid and solids treatment of influent flows. The WWTP has gone through several upgrades to improve operations and meet effluent requirements. An overview of these improvements is as follows:

Year

Improvement

1993
The treatment plant consisted of 2 primary clarifies, 2 high-rate tickling filters, 2 intermediate clarifiers, and 1 anaerobic digester, which is now used as the Second Anaerobic Digester
1993Liquid process improvements consisted of adding 2 primary clarifiers, 2 high rate tickling filter, and 2 intermediate clarifies. Solids process improvements consisted of adding 3 new primary anaerobic digesters.
1993Liquid process improvements consisted of adding a new headworks building with 2 fine screens and 2 aerated grit basins, 3 new aeration basins, 3 final clarifiers, UV Disinfection, and post aeration. Solids process improvements consisted of adding 1 new primary anaerobic digester.
1994Solids process improvements consisted of adding a belt filter press dewatering building.
2013The high rate trickling filters and intermediate clarifiers were taken out of service and are no longer in use

WWTP Improvements History Picture.png

Many plant components have reached the end of their useful life and require rehabilitation or replacement. The City is also facing forthcoming requirements for nutrient removal to meet effluent limits for total nitrogen (TN) and total phosphorus (TP) per the current National Pollutant Discharge Elimination System (NPDES) permit effective January 1, 2020 through December 31, 2024.

A Capital Improvements Plan (CIP) to meet the above objectives was prepared as follows:

  • Phase I of the CIP consists of a project to rehabilitate or replace critical infrastructure at the WWTP to keep the plant operational generally intended to be for facilities utilized in the current and future treatment schemes.
  • Phase II of the CIP will address the implementation of upcoming TN and TP effluent limits and will address only a portion of the plant capacity (6.4 MGD).
  • Future Phase III of the CIP will address the remaining capacity of the plant.

Estimated Project Costs

Cost

Phase

$3,577,149
$37,075,533
Pre-construction Engineering Services
Complete Engineering and Construction Costs
$40,652,682
$980,990
Subtotal
HDR Owner's Representative Services
$41,663,672Estimated Total Project Cost for WWTP Improvements

Source of funding 

KDHE Kansas Water Pollution Control Revolving Fund in the amount of $41,500,000 at an interest rate of 1.30%.

Estimated Project Schedule 

Date

Milestone

February 16, 2023Notice to Proceed with Construction
July 11, 2024Construction complete for Phosphorus Removal
June 11, 2025Construction complete for Nitrogen Removal
December 1, 2025Substantial Completion of Construction
February 4, 2026Final Completion of Construction
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Mon, Jan 23, 7:00 PM - 8:00 PM

Title Lorem Ipsum Event

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.

Salina, City of Kansas

Free $30