A Tale of Three WWTPs(Frangel, Town of Kent, Kent Manor )

NYC Watershed/Tifft Science and Technical Symposium

September 19, 2013

Thayer Hotel, West Point, NY

Presented By: Robert Ravallo

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A Tale of Three WWTPs

Prologue

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WWTP Upgrade Program Genesis

• 1986 Safe Drinking Water Act/1989 Surface Water Treatment Rule

• Filtration Avoidance Determination

• 1997 Memorandum of Agreement

• 1997 Rules and Regulations for the Protection From Contamination of the New York City Watershed

• Regulatory and SPDES Upgrade Programs

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The WWTP Upgrade Program & PHL 1104

Regulatory Upgrade Program(Section 141 of the MOA)

PHL 1104 (Section 143 of the MOA)

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Regulatory Upgrade Program(Section 141& 143 of the MOA)

Upgrade Existing (141) & New/Expanded (143) WWTPs to Comply with the NYC

Watershed Regulations:

• Phosphorus Removal

• Sand Filtration (with redundancy)

• Disinfection (and Back-Up with Auto. Start-Up)

• Microfiltration (or equivalent technology)

• Stand-By Power and Automatic Start-Up Capability

• Recording Flow Meters

• Alarm Telemetering (ex. Power, Disinfection)

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The Tale

• Frangel WWTP Upgrade – Beginning Construction

• Town of Kent Proposed WWTP – a Dream

• Kent Manor WWTP – Approved with No Time Table to Build

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Town of Kent – Lake Carmel Area

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Frangel Site

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Frangel – Existing WWTP

• Chlorine Contact Tanks

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Proposed Frangel WWTP Upgrade

• Flow: 3.2 kgd

• Cost: + $ 4M

• Extremely Difficult Site

• Other WWTPs with +100X of Frangel’s Flow Cost Less to Upgrade

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Proposed Frangel WWTP Design

WWTP Site on Side of Steep Slope

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Proposed Frangel WWTP Upgrade

WWTP Building

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Town of Kent (Potential Town WWTP)

• April 2010 - Frangel Begins Upgrade Construction.

• April 2010 - Kent Informs DEP of their Plan to Consolidate Proposed Town WWTP with Frangel.

o Estimated Flow for proposed Town District 20 - 40kgd. They want Frangel Upgrade $.

o Proposed Town WWTP will not fit on Frangel site.

• August 2010 - DEP issues “Stop Work Order.” Town given 6 months to identify a suitable site and most important come up with funding.

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Town of Kent

Initial Proposed Town WWTP District

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Town of Kent – Initial WWTP District

• Fall 2010 - DEP discussions with Kent Manor on sharing their capacity with Town.

• Winter 2010 - Initially Town not interested.

• April 2011 - No significant progress on Town plan. They had not secured necessary additional funding.

• April 2011 - DEP rescinds “Stop Work Order” at Frangel. Construction resumes.

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Kent Manor

• 546 bedroom count sub-division and 70kgd WWTP approved.

• Financial difficulties, law suits and market conditions have delayed start of construction.

• Kent Manor willing to reduce bedroom count and share WWTP capacity with Town

• Kent Manor initiates meeting with Town to discuss Town Plan.

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The Final Chapter

• August 2011 - Town & Kent Manor present a revised Plan

• The Plan mirrors DEP’s original Vision, one WWTP not three.

• August 2011 - Town & Kent Manor request a second DEP Frangel “Stop Work Order”.

• DEP refuses but agrees to begin discussions on how to make the Plan work and protect DEP’s interests.

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The Plan

• Expand & Construct Proposed Kent Manor WWTP to 103kgd:

- 60 kgd from Kent Manor.

- 3 kgd from Frangel.

- 30 kgd from existing sources in the Town.

- 10 kgd from potential new sources in the Town.

• Construct Town Sewer system

• Decommission Frangel WWTP

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The Final Chapter

The Town WWTP District including Frangel and Kent Manor

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The Final Chapter – Benefits of the Plan

• Environmental

o 1 WWTP instead of 3

o Elimination of Failing Septic Systems

• Cost

• Positive Good Will with Local Municipality

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Implementation of the Plan

• Term Sheet:

o DEP pays 30% Kent Manor WWTP Capital Costs.

o Town and Kent Manor pay 70%. Town Share from Water Quality Funds

o DEP pays Town the savings from Frangel Upgrade vs. Connecting Frangel to Town Sewer System. These Funds to be used to construct the Town Sewer System. Remaining Funds to be returned to DEP.

• Indemnification Agreement:

o Indemnification Schedule detailing major milestones to Implement Plan and financial exposure to Town and Kent Manor for failing to complete project.

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Key Milestones

• Town Application & Approval of Variance for Increased WWTP Flow (done)

• Town Design (done) & Construction of Sewer System (commenced)

• Kent Manor Design (done) & Construction of WWTP (commenced)

• Frangel Connection Design (done) & Construction

• Various Agency Approvals (done)

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Construction of the Kent Manor WWTP

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Construction Begins – Town Line

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Acknowledgements

• DEP WPP Staff

o David Warne, Rocco Mastronardi, Ronit Kapoor

• City & DEP Legal

• Town of Kent Supervisor and Board

• Kent Manor Owners

• Frangel Owner

• Putnam County Government

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Epilogue

The Future ?? – A Sewered Lake Carmel