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General info

— Onondaga Lake facts
Lake depths
Onondaga Lake is part of the Seneca watershed.
Onondaga County includes parts of four watersheds.

— Onondaga Lake history

— Consent judgment

Minority- and women-owned business enterprises

Projects to improve water quality

 
CSO Disinfection Workshop—Response Summary
Workshop presenters
Background
1. County overview
2. History of wet-weather disinfection
3. Total chlorine residual toxicity program
Workshop agenda
Presenters’ biographies
Study: chlorination by-products
Slides from presentations (.pdf)
Attendees who signed-in (.pdf)

Skimmer boat for Inner Harbor, 2004 report

Facility plans & environmental documents

Clinton Street CSO Abatement Project Facility Plan (Nov 2005)
1. Project background
2. Clinton Street CSO treatment requirements
3. Alternative site analysis
4. Clinton Street CSO abatement approaches
5. Detailed evaluation of most viable CSO abatement approaches
6. Optimization of recommended/preferred CSO abatement plan
7. Project phasing/implementation schedule
Appendices

Clinton CSO Abatement: Environmental Information Document (Nov 2005)
Summary assessment
1. Introduction
2. Natural resources/setting
3. Human resources/setting
4. Impact evaluation and mitigation measures—natural resources
5. Impact evaluation and mitigation measures—human resources
6. Unavoidable adverse and cumulative impacts
7. Alternatives
8. Irreversible/irretrievable commitment of resources
9. Community and public participation
10. Project coordination
References
Appendices
Siphon rehabilitation, 1998-99
Siphon rehabilitation, 1998-99

Harbor Brook CSO Abatement Project Facility Plan (Aug 2005)
Executive summary
1. Basis for CSO Abatement
2. Harbor Brook In-Water System
3. Technology Evaluation
4. Siting Analysis
5. Sewer Separation
6. Alternatives Analysis
7. Scenarios
8. Recommended Plan
9. Project Implementation Schedule
Appendices

Harbor Brook Environmental Information Document (Aug 2005)
1. Description of proposed action
2. Natural resources: Potential impacts and mitigation
3. Human resources: Potential impacts and mitigation
4. Alternatives considered
5. Irreversible / irretrievable commitment of resources
6. Community and public participation
7. References
Appendices

Midland Avenue RTF & Conveyances: Facility Plan Amendment, June 2003
1. Project background
2. Supplemental facilities planning
3. Midland Avenue conveyances/off-line storage
4. Midland Avenue RTF
5. Project phasing/implementation schedule
Appendices

Midland Avenue Regional Treatment Facility & Conveyances-Facility Plan, Jan 2003
1. Project background
2. Evaluation of Midland Avenue RTF and conveyances flows
3. Midland Avenue conveyances/off-line storage
4. Midland Avenue RTF
5. Project phasing/implementation schedule
Appendices
Improvements in collection
Improvements in collection

Project descriptions


— Abating combined sewer overflow
Controlling “floatable debris”
- Intercepting debris at Maltbie St.
- Catching debris at Franklin St.
- Controlling floatables in Harbor Brook
- Cleaning Teall Brook
- Collecting solids at Syracuse's Inner Harbor
- Demonstrating effective treatment
- Upgrading conveyance & treatment on north side
- Clinton Street area CSO abatement
Notice: Public info meeting, Nov 29
Responses: Nov 29 public meeting
- Midland overflow abatement project
Midland: Current construction photos
Midland: Past construction photos
- Separating sewers
Map of CSO basins 022, 024, 038, 040
Map of CSO basins 045, 046A, 046B, 050, 051, 053, 054
- Rehabilitating siphons
- Improving storage under Erie Blvd.
- Diminishing CSOs along Harbor Brook
Information meetings about Harbor Brook project
Responses: Sept 14-15 public information meetings
Notice of public hearing
Responses: Public hearing, Dec 6, 2005
Transcript: Public hearing, Dec 6, 2005
Conveyance route changes
- Major improvement in pumping capacity
History is discovered
- Sewer separation: West Brighton Avenue area
- Sewer separation: Tallman & Onondaga Avenue areas
- Sewer separation: South and Bissell area
- Sewer separation: West Street and Water Street
- Sewer separation: Rockland-Parkway area
Advanced treatment
Advanced treatment


— Upgrading treatment
- Reducing phosphorus to lowest level in U.S.
- Removing ammonia through advanced treatment
- General improvements
- Becoming a better neighbor: reducing odors
- Improving aeration for better treatment
- Improving communication and control
- More capacity & security for chemical storage
- Upgrading treatment of solids
- Testing ways to remove ammonia
- Learning how to curtail phosphorus

 
Ambient Monitoring Program
Ambient Monitoring Program


— Ambient monitoring program
- Live water quality data from Onondaga Lake
- Monitoring locations
- Water quality monitoring
- Facts from the biological program
- Parties working with WEP
- Fish monitoring - you can participate
- Latest water quality information
- Posters—Learn about the lake
Onondaga Lake Monitoring Buoy
Fish Habitat in Onondaga Lake
Onondaga Lake Food Web
Life Cycle of the Largemouth Bass
- Past features
- AMP reports
- AMP data sets
- Photo galleries
- Fantastic fish—Caught in Onondaga Lake
- Onondaga Lake outflow data collection project
- Tributary data collection enhancement project
- Lake sturgeon in Onondaga Lake
- 2003 winter sampling

Construction photos


— Progress has been made
- 84-inch connection for UV disinfection
- Tankage for ammonia treatment
- New steam line
- Natural gas line
- UV facilities
- 84-inch tie-in to diversion structure
- Secondary Effluent Pump Station
- October 2004, Ammonia-phosphorus nearly complete
- September 2004, Interior finishing, landscaping
- August 2004, Beginning of exterior work
- July 2004, Performance test successful
- May 2004, Beneficial occupancy of UV
- April 2004, Ammonia reduction on target
- March 2004, UV system operating
- February 2004, Ammonia levels reduced
- January 2004, Ammonia treatment begins
- December 2003, BAF media installed
Additional: December 2003
- November 2003, BAF construction nearly finished
Additional: November 2003
- October 2003, 99% of concrete in place
Additional: October 2003
- September 2003, Start-up of ammonia treatment
- August 2003, Roofing the BAF—2 CSOs stopped
Additional: August 2003
- July 2003, BAF concrete nearly complete
- June 2003, Metro projects 80% complete
- May 2003, Major advances with utilities
- April 2003, Construction progress on two fronts
- March 2003, Advances in facilities construction
- February 2003, Midland RTF facility plan revised
Midland: The 144-inch conveyance pipe
Midland: The 144-inch conveyance pipe


What’s new?

Monthly reports

2007

April, Completed Phase II Midland conveyance
March, Two projects out for bids
February, Community leaders propose agreement
January, Design for Midland Phase III sent to DEC

2006

December, Midland pipeline at 50%
November, Skimmer boat collects record volume in Harbor
October, DEC approves Clinton & Harbor Brook plans
September, Midland conveyance crosses Bellevue
August, South Avenue sewers installed
July, Installion begins for 144-inch pipe
June, Midland conveyance crosses Creek
May, New sewer separation work begins
April, Clinton responses issued
March, County is lead for Harbor Brook
February, Clinton hearing held
January, Meetings and responses

2005

December, Clinton & Harbor Brook meetings held
November, Midland & Clinton meetings held
October, Harbor Brook & Clinton meetings set
September, Harbor Brook public meetings held
August, Four CSO points closed
July, Subgrade reached for Midland tank
June, MIS completely replaced at Midland
May, Concrete pours begin at Midland
April, 2005 sewer separation starts
March, MIS segment at Midland completed
February, Phosphorus performance test begins
January, Sheeting installed at Midland

2004

December, Phosphorus treatment tested
November, Major facility now complete
October, Ammonia-phosphorus nearly complete
September, Midland construction begins
August, Notice-to-proceed for Midland
July, Performance test successful
June, Meeting limits for ammonia
May, Beneficial occupancy of UV
April, Ammonia reduction on target
March, UV system operating
February, Ammonia levels reduced
January, Ammonia treatment begins

2003

December, BAF media installed
November, BAF construction nearly finished
October, 99% of concrete in place
September, Start-up of ammonia treatment
August, Roofing the BAF
July, BAF concrete nearly complete
June, Metro projects 80% complete
May, Major advances with utilities
April, Construction progress on two fronts
March, Advances in facilities construction
February, Public meetings on Harbor Brook
January, Midland RTF facility plan revised

2002

December, Sewer separation project begins
November, Kirkpatrick pump station completed
October, Accelerated construction
September, September 2002
August, August 2002
July, July 2002
June, June 2002
May, May 2002
April, April 2002
March, March 2002
February, February 2002
January, January 2002
Earlier,

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How to reach us

Glossary

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Susan Miller, Project Deputy Director
Phone 315-435-2260   Fax 315-435-5023
 Onondaga County Dept of Water Environment Protection