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Onondaga Lake

Onondaga Lake
Location Onondaga County, New York,
United States
Primary inflows Ninemile Creek,
Onondaga Creek
Primary outflows Seneca River
Basin countries United States
Max. length 4.6 mi (6.9 km)
Max. width 1 mi (1.5 km)
Surface area 4.6 sq mi (12 km2)
Max. depth 63 ft (19 m)
Surface elevation 370 feet (110 m)

Onondaga Lake is a lake in Central New York located northwest of Syracuse, New York. The southeastern end of the lake and the southwestern shore abut industrial areas and expressways; the northeastern shore and northwestern end border a series of parks and museums.[1]

Although it is near the Finger Lakes region, it is not traditionally counted as one of the Finger Lakes. Onondaga Lake is a dimictic lake,[2] meaning that the lake water completely mixes from top to bottom twice a year. The lake is 4.6 miles long and 1 mile wide making a surface area of 4.6 square miles.[2] The maximum depth of the lake is 63 feet with an average depth of 35 feet.[3] Its drainage basin has a surface area of 642 square kilometers, encompassing Syracuse, Onondaga County except the eastern and northern edges, the southeastern corner of Cayuga County and the Onondaga Nation Territory,[4] and supports approximately 450,000 people.[5]

Onondaga Lake has two natural [7] The other tributaries, which include Ley Creek, Bloody Brook, Harbor Brook, Sawmill Creek, Tributary 5A, and East Flume, contribute the remaining 10% of water flow into the lake.[3][6] The tributaries flush the lake out about four times a year.[5] Onondaga Lake is flushed much more rapidly than most other lakes.[6] The lake flows to the northwest[8] and discharges into Seneca River which combines with the Oneida River to form the Oswego River, and ultimately ends up in Lake Ontario.[2]

For thousands of years, the lake was considered sacred within indigenous territory. The historic Onondaga people lost control of the lake to New York State following the American Revolutionary War. During the late 19th century, European-Americans built many resorts along the lake's shoreline, as it was a destination of great beauty.

With the industrialization of the region, much of the lake's shoreline was developed; domestic and industrial waste, due to industry and urbanization, led to the severe degradation of the lake. Unsafe levels of pollution led to the banning of ice harvesting as early as 1901. In 1940, swimming was banned, and in 1970 fishing was banned due to mercury contamination.[2][5] Mercury pollution is still a problem for the lake today.[3] Despite the passage of the Clean Water Act in 1973 and the closing of the major industrial polluter in 1986, Onondaga Lake is still one of the most polluted lakes in the United States. Several initiatives, including a 15-year multi-stage program currently under way, have been recently undertaken to clean up the lake.


  • History 1
    • Indigenous cultures 1.1
    • Early European settlement 1.2
    • Industry 1.3
  • Parks & recreation 2
    • Parks 2.1
      • Long Branch Park 2.1.1
      • Onondaga Lake Park 2.1.2
      • Onondaga Lake Park Marina 2.1.3
      • Wegmans Good Dog Park 2.1.4
    • Museums 2.2
      • Mission of Sainte Marie 2.2.1
      • Salt Museum 2.2.2
    • Events 2.3
  • Pollution 3
    • Sewage wastewater 3.1
    • Chemical pollution 3.2
    • Mudboils 3.3
    • Legal action & cleanup efforts 3.4
      • Sewage pollution cleanup 3.4.1
      • Chemical pollution cleanup 3.4.2
      • Sedimentation control 3.4.3
  • Onondaga land rights claim 4
    • Fishing improvements 4.1
  • See also 5
  • References 6
  • External links 7


Indigenous cultures

Onondaga Lake is traditionally regarded as the birthplace of the Haudenosaunee, also known as the Iroquois Confederacy. The Great Peacemaker brought together the Mohawk, Onondaga, Oneida, Cayuga, and Seneca nations on the shores of the lake. These warring nations accepted the Great Peacemaker's message of peace, laid down their weapons, and formed the Haudenosaunee Confederacy. Since then, the lake has become a sacred place.[9]

The Onondaga Nation's 21st-century "Vision for a Clean Onondaga Lake" states that the waters, plants, fish, shore birds, and animals of the lake are an intrinsic part of the people's existence. The Onondaga view the restoration of the lake as a personal responsibility and are working to make sure that the lake is clean enough so that people may again drink its water, eat its fish, and swim in it.[10]

Early European settlement

Onondaga Lake motor boat ride by moonlight about 1907

Europeans began to learn about salt springs in the area in 1654, when the Onondagas revealed their presence to French explorers.[11] Jesuit missionaries visiting the Syracuse region in the same time period were the first to report on salty brine springs around the southern end of what they called "Salt Lake," known today as Onondaga Lake. The brine springs were reported to have extended around much of the lake for a distance of nearly 9 miles. They extended from the present-day towns of Salina through Geddes and from Liverpool to near the mouth of Ninemile Creek.[12] European settlers, mostly trappers and traders, followed the Jesuit missionaries and French explorers into the Syracuse area during the 17th and 18th centuries.[11] After the French and Indian War, British traders replaced the French, but encounters were limited.

British-American colonists began salt production in the area in the late 18th century. Following the victory of the United States in the American Revolutionary War, it made the Treaty of Fort Stanwix in 1788 with the Six Nations of the Iroquois. Among its provisions was the transfer of the lands around the lake from the Onondaga Nation to local salt producers on the condition that the salt would be produced for the common use of everyone.[12] By 1822, due to a high incidence of malaria, the lake's water level was lowered after its outlet to the Seneca River was dredged. The low-lying swampy area, located in what is now the northern end of downtown Syracuse, was drained.[11]

The completion of the [7][13]

Onondaga Lake also became a popular resort area.[14] By the late 19th century, its shoreline was dotted with hotels, restaurants, and amusement parks.[11] The area was so popular that people traveled by railroad from as far as [7]


The systematic production of salt began in 1797, when the New York State Legislature designated a one-mile-wide strip of land around the northern half of the lake as the Onondaga Salt Springs Reservation. Between 1797 and 1917, the Onondaga Salt Springs Reservation produced more than 11.5 million tons of finished salt.[12]

Salt brine and limestone were the key raw materials for the production of soda ash, used to make the industrial products of glass, chemicals, detergent, and paper. The abundance of salt brine and limestone in Onondaga Lake's watershed area attributed greatly for the industrialization along the lake's shoreline.[11] Beginning in 1838, New York State authorized the drilling of deep wells at several locations around the lake. The wells were intended to locate the source of the brine, but no source was located.

Salt Wells at Syracuse, New York c. 1900

The Solvay Process company, incorporated in 1881,[16] began drilling deep test holes in the area south of Syracuse in 1883. The company's main product was soda ash, integral to several industries. Eventually Solvay found halite deposits at a depth of 1,216 feet below land surface in the southern end of Tully Valley. From 1890 to 1986, more than 120 wells were drilled into four halite beds on the east and west flanks of the valley.[12] Soda ash production began in 1884. The company was producing about 20 tons of soda ash per day, dumping most of its waste material directly into Onondaga Lake.[16] Eventually wastebeds were built along the southwest perimeter of the lake to contain the by-products of soda ash production.[8] In 1907, the New York State Attorney General threatened the Solvay Process Company with legal action over the direct discharge of Solvay waste material into the lake.[16]

As Syracuse’s population began to grow in the 20th century, a surplus of pollution hit the lake hard. This lake was so close to the city that the effects of people’s sewage, exhaust fumes, and dumping of unnecessary products all caused the lake to decline in popularity, fishing, and even swimming.[17]

In 1920, the Solvay Process Company merged with four other chemical companies, forming Allied Chemical and Dye Corporation. In 1950 it began the production of chlorine by mercury cell in 1950. Mercury-contaminated waste was also dumped directly into Onondaga Lake. Allied Chemical and Dye Corporation became Allied Chemical Corporation in 1958. Its continued practice of allowing mercury into the lake led to the federal and state governments banning fishing in 1970, due to mercury contamination of the fish. The US Attorney General sued Allied Chemical to halt the dumping of mercury into the lake. It is estimated that Allied Chemical was dumping approximately 25 pounds of mercury into Onondaga Lake per day. In 1981 Allied Chemical Corporation become Allied Corporation; in 1985 it changed its name to Allied-Signal, Inc. when it merged with the Signal companies. The company announced that it would close its operations in Syracuse because of changes in environmental laws, and in 1986 began dismantling its facility.[16]

In 1989, New York State filed a lawsuit against Allied-Signal, Inc. for its part in contamination of Onondaga Lake. New York State and Allied-Signal, Inc. signed an interim Consent Decree detailing the elements of a Remedial Investigation and Feasibility Study to be undertaken of the lake. In compliance with the Consent Decree, the study was conducted by Allied-Signal, Inc. which became Honeywell, Inc. in 1999.[16]

Non-salt-producing companies also became established along the Onondaga Creek valley from the mid-19th century to the early 20th century. Many of these companies drilled wells into the underlying sand to obtain water for cooling purposes. They were protecting dairy products and beer, storing perishable goods, and regulating temperature in office and storage buildings by such water use. Once used, the water was disposed of in nearby streams that drained to Onondaga Lake. This practice increased the salinity of the surface-water system.[12]

Parks & recreation


The abandoned Onondaga Salt Springs Reservation became an industrial dumping ground in the early 20th century. During the Great Depression of the 1930s, Governor Franklin Delano Roosevelt turned the State land over to Onondaga County. Funding from the Work relief program supported the labor to enable the county convert the area into Long Branch Park in the early 1930s.[18]

Onondaga Lake Yacht Club in 1907

By September 24, 1933, several local organizations formed in connection with the civic and recreational activities of the Syracuse Associated Leisure Time plan favored the Onondaga Lake West Shore Parkwayproject.[19] The plan called for the development of an automobile parkway along the lake between the State Fair grounds entrance area and Long Branch Park. It was projected as another work relief construction program. The parkway used the former Lakeshore Railway right-of-way and brought the "virtual completion of the round-the-lake boulevard."[19] The cost of the parkway was estimated at $330,000.[19]

Long Branch Park

Long Branch Park in Liverpool, New York c. 1900

Long Branch Park is a public park in Onondaga County, New York, located in the town of Liverpool at 3813 Long Branch Road near NYS Route 370 and John Glenn Boulevard. The park is located on the northern shore of Onondaga Lake near Onondaga Lake Park, but it has no formal relation to it and is operate separately.

Founded in the late 19th century by Ben and George Maurer, Long Branch Park was originally an amusement park, containing boxing arenas, a trolley, and Carousel #18. The latter was relocated to Syracuse's largest mall, Destiny USA, as the amusement park closed in 1938.[20]

The park is located at the northern shore of Onondaga Lake Park. It is made up of three reserved shelters; Riverview, Glen and Knoll as well as a 100 feet (30 m) sledding hill. Major annual events held here include the Great American Antiquefest and the Scottish Games.[20]

Onondaga Lake Park, in the northern suburbs of Syracuse, attracts over one million visitors each year

Onondaga Lake Park

Onondaga Lake Park is another county park. It hugs the eastern shore of the lake and has its offices at 6790 Onondaga Lake Trail in Liverpool. The park offers seven miles of shoreline, with a variety of areas for family picnics, including developed areas in Willow Bay and Cold Springs. The park has paved, vehicle-free trails for bikes and walkers. It offers free outdoor wireless internet in the Griffin Visitor Center area.[21]

Onondaga Lake Park Marina

The Onondaga Lake Park Marina is located on Onondaga Lake Parkway in Liverpool.[22]

Wegmans Good Dog Park

Outlet on the shores of Onondaga Lake in Liverpool, New York about 1900

The Wegmans Good Dog Park was the first of its kind in Central New York and is located in theCold Springs Mud Lock[23] section of Onondaga Lake Park. It is open from sunrise to sunset, seven days a week year round.[21]

Dogs are allowed to exercise without leashes in a 40,000 sq ft (3,700 m2) fenced in area which includes an exercise area with tunnels, jumps and bridges complete with red fire hydrants.[21]

Dog etiquette guidelines and park rules have been established by the Onondaga County Parks Department and are strictly enforced. Pets must be under control at all times and owners must be able to show proof of vaccination.[21]

Entrance to the park is located at 49 Cold Springs Trail in Liverpooloff NYS Route 370. Suggested donation of $1 per person at the main gate. The park is maintained with private donations.[21]


Mission of Sainte Marie

The Old French Fort at the Mission of Sainte Marie was the site of an early attempt by French Jesuits and colonists to establish a base in Central New York. In the 1930s, the remains of the original fort were replaced with what was claimed to be a "replica" or reconstruction of the site. Research since then has revealed that it was a poor imitation.[24]

During the 1980s, a decision was made to replace the structure with a historically accurate reconstruction. In addition, a visitor's center was built. This is used for the display of archeological artifacts recovered from the area, in a more accurate and "hands on" living museum.[24]

As of January 1, 2013[4] the Onondaga Historical Association (OHA) took over management of the Onondaga County facility known as "Sainte Marie among the Iroquois" located on the eastern shore of Onondaga Lake. The site is currently planning to repurpose the facility into a Haudenosaunee (Iroquois) Heritage Center named Skä•noñh Center – Great Law of Peace Center. Skä•noñh, is an Onondaga welcoming greeting meaning Peace and Wellness. For more information, visit

Salt Museum

The Salt Museum was built around a still-standing boiling block chimney. It opened in 1933 during the Great Depression.[18]


Sailboating on the lake in 1907
  • Syracuse Hydrofest - The North American championship of hydroplane racing - annual event in the Willow Bay area of Onondaga Lake Park in mid-June.
  • Lights on the Lake - Onondaga Lake Park in Liverpool from late November to early January.


Sewage wastewater

One major source of pollution for Onondaga Lake is sewage wastewater. For years, Syracuse dumped human waste into the lake with little or no treatment.[25][26] Before European settlement and the growth of a large population in the area, the lake was oligo-mesothropic, meaning that it contained low levels of aquatic plant blooms.[7]

But, the high levels of [26]

Combined sewer overflow (CSO) also contributes pollution. In some areas of Syracuse, sewers carry both sanitary sewage and stormwater. During dry weather, these sewers carry all the sanitary sewage to Metro for treatment; however, during times of heavy rain or melting snow, the amount of water is greater than the capacity of the sewers. They overflow and discharge a combination of runoff and sanitary sewage into Onondaga Creek and Harbor Brook.[28] Through these tributaries, the CSO eventually reaches Onondaga Lake. CSO has been generating concerns about bacteria.[27] In the 1960s, Syracuse had ninety points where CSO could reach Onondaga Creek, Harbor Brook, or Ley Creek.[11]

Chemical pollution

Solvay Process Company in Solvay, New York on Onondaga Lake about 1900

Honeywell, Inc. and its predecessors have contributed greatly to the chemical pollution of Onondaga Lake. The surface water has been found to be contaminated with mercury whereas the sediments are contaminated with polychlorinated biphenyls (PCBs), pesticides, creosotes, heavy metals (lead, cobalt, and mercury), polycyclic aromatic hydrocarbons (PAHs), chlorinated benzenes, and BTEX compounds (benzene, ethylbenzene, toluene, xylene).[8][25][27][29] In Onondaga Lake the chlorinated benzenes are located in the southwest portion, in the form of a dense oily liquid that has settled into the sediments.[29] These chemicals were intentionally dumped into the lake or unintentionally seeped in from upland toxic waste sites or from the Solvay wastebeds located at the southwest end of Onondaga Lake. The wastebeds continue to leak toxins into the lake today. Approximately 6 million pounds of salty wastes made up of chloride, sodium, and calcium were dumped daily into the lake before Allied Chemical closed in 1986.[25]

Mercury contamination has been a major pollution issue. Between 1946 and 1970, 165,000 pounds of mercury was dumped into Onondaga Lake by Allied Chemical and Dye Corporation.[25] In 2002, the findings from the remedial investigation conducted by successor Honeywell, Inc., with the supervision of the New York State Department of Environmental Conservation (NYSDEC), reported that mercury contamination is found throughout the lake: the most elevated concentrations are found in the sediments of the Ninemile Creek delta and in the sediments of the southwestern portion of the lake.[30] A fishing ban had been imposed in 1970 due to mercury contamination.[16]

In 1999, the New York State Department of Health (NYSDOH) lifted the advisory on eating bass, white perch, and catfish from Onondaga Lake. The advisory against eating walleye remained in effect; and women of childbearing age, infants, and children under the age of 15 were advised against eating any of the fish from the lake.[31] In 2007, the NYSDOH updated its advisory, prohibiting the consumption of largemouth and smallmouth bass over 15-inches-long. No walleye, carp, channel catfish, and white perch of any size should be consumed. The Department of Health advises up to four meals per month of brown bullhead and pumpkinseed, and up to one meal per month of any species not listed.[32]


Approximately 18 miles south of Syracuse, the Tully Valley has unique hydro-geological features called mudboils. These mudboils are the cause of the excessive sedimentation of Onondaga Lake. The sediment enters Onondaga Creek, which flows north into the lake. Sediment loading is a problem because it degrades water quality, decreases water clarity, and reduces habitat for aquatic insects, fish spawning, and plants.[25][33]

Legal action & cleanup efforts

Sewage pollution cleanup

The first steps taken to control sewage pollution occurred in 1907 with the creation of the Syracuse Interceptor Sewage Board. It served to address sewage-related problems in Onondaga Creek and Harbor Brook. In 1960, Onondaga County established a sewer district and built the Metropolitan Sewage Treatment Plant ("Metro") on the south shore of the lake.[25]

In 1988, combined sewer overflow (CSO) discharges were violating federal water pollution standards established under the Clean Water Act of 1972. The state of New York joined as a plaintiff with allegations that Onondaga County had also violated the New York State Environmental Conservation Law.[34]

In 1990, the U.S. Congress created the Onondaga Lake Management Conference (Public Law 101-596, section 401). It ordered the group to develop a comprehensive revitalization, conservation, and management plan for Onondaga Lake that recommends priority corrective actions and compliance schedules for its cleanup. The Conference also called for coordination of implementing the plan. The largest responsibility of the Onondaga Lake Management Conference was the completion of the Onondaga Lake Management Plan.[35]

In 1997, New York State and ASLF reached an agreement, the Onondaga Lake Amended Consent Judgement (ACJ), on municipal wastewater collection and treatment improvements. The ACJ called for a schedule to attain compliance with the Clean Water Act.[31] The ACJ is a multi-year program designed to improve the water quality of Onondaga Lake while achieving full compliance with state and federal water quality regulations by December 1, 2012. ACJ projects are divided into three main categories: wastewater treatment, collection system, and lake and tributary monitoring.[35] In January 1998, a federal judge approved the ACJ [31] and on September 1999, the Onondaga Lake Management Conference approved and endorsed the Amended Consent Judgment (ACJ). It incorporated the ACJ into its 1993 Onondaga Lake Management Plan entitled, A Plan of Action.[35]

The final stage for ammonia discharge improvements occurred in 2004. The biological aerated filter (BAF) system allows for year-round nitrification of wastewater. In 2004, Metro's annual ammonia discharge was reduced to 152 metric tons and by 2005, the annual discharge fell to 21 metric tons. The ACJ also led to the creation of an ambient monitoring program (AMP) to track the effectiveness of the improvements made to the wastewater collection and treatment infrastructure. The AMP is designed to identify sources of materials to the lake, evaluate in-lake water quality conditions, and examine the interactions between Onondaga Lake and Seneca River.[36] Since 2007, Onondaga Lake has been in full compliance with the ambient water quality standards for ammonia. It was officially de-listed for that particular parameter in the State’s 2008 list of impaired bodies of water.[34]

The ACJ achieved other successes. Between 1993 and 2006, the phosphorus discharges from Metro were decreased by 86%. In regards to contamination via CSOs, the ACJ requires that by 2018 the county eliminate or capture for treatment 95% of the CSO volume generated during heavy rain and snow melt.[34]

Chemical pollution cleanup

In 1989 the State of New York filed a lawsuit against Allied-Signal, Inc. The lawsuit sought to compel the company to clean up the hazardous wastes that it and its predecessors had dumped into and around the lake.[31] In 2005, New York State Department of Environmental Conservation (NYSDEC) and the US Environmental Protection Agency (EPA) issued a Record of Decision that outlined the remediation plans of Onondaga Lake.[31] The Federal Court approved a Consent Decree in 2007, obliging Honeywell International, Inc. to implement the NYSDEC/EPA cleanup plan for the contaminated sediments in the bottom of the lake.[34] Honeywell signed the Consent Decree that same year and has started to undertake the Remedial Design and Remedial Action for the Onondaga Lake Bottom Site.[31]

The cleanup plan calls for the dredging of up to 2.65 million cubic yards of contaminated sediments to a depth that will allow for a cap to be built without losing any lake surface area. The sediments will be hydraulically dredged from the bottom of the lake and piped to a sediment consolidation area in Camillus, New York. Dredging was expected to begin in 2012.[34][37] The cap that the plan calls for would cover 580 acres of lake-bottom. The plan also calls for the installation of a barrier wall made of steel on the southwest corner of the lake.[37] In 2008, Honeywell began second-phase construction on this barrier wall.[31] The estimated cost of the cleanup plan is $451 million; an estimated $414 million in order to construct the remedy, followed by an annual maintenance cost of $3 million.[30]

As part of the scope of the cleanup project, Honeywell has funded and operates the Onondaga Lake Visitors Center, which opened in 2012.[38] The center, located on land owned by the New York State Department of Transportation adjacent to Honeywell's cleanup headquarters on the southwestern shore, presents information about the ongoing cleanup.[38]

The Onondaga Nation is not content with the Remedial Action plan for the Onondaga Lake Bottom Site. Their website states that the dredging plan will not include the additional 8 million cubic yards that the NYSDEC found to be contaminated. They do not believe that isolation caps are a permanent, reliable form of containment. The caps will not cover the entirety of the lake-bottom and they will eventually fail. Onondaga Nation has said that New York State goals do not include making the lake swimmable or fishable, which are criteria included in the Clean Water Act. The total estimated plan, according to Onondaga Nation, of a thorough cleanup would cost $2.16 billion.[37]

Sedimentation control

Since 1992, the Onondaga Lake Partnership has supported the efforts of the United States Geological Survey (USGS) in the following remedial activities: the diversion of surface water away from the mudboils, the installation of a dam on the stream that flows from the mudboils area, and the drilling of wells to reduce the pressure around the mudboils (21).[28] The installation of several depressurization wells has led to dramatic decreases in sediment loading; an average of 30 tons per day was reduced to 1 ton per day.[34]

Onondaga land rights claim

Onondaga Lake outside Syracuse, New York in the moonlight about 1900

The lake is also subject of a land right action filed on March 11, 2005 by the Onondaga Nation. The Onondaga Nation is seeking the protection and conservation of the natural resources within and affecting the Nation's land, and the security of Onondaga rights to hunt, fish, and gather resources for subsistence and cultural needs.[39] According to Sid Hill, the Tadodaho of the Iroquois, the Onondaga people want the water, land, and air returned to its condition prior to being illegally taken by New York State in the 18th and 19th centuries.[40] Hill considers the degraded state of Onondaga Lake as evidence that neither New York State nor federal authorities can adequately care for the land and water resources.[41] The land rights action was dismissed by a federal judge on September 22, 2010.[39]

Fishing improvements

Dating back to the 1600s, Onondaga Lake has always shown reports of a cold-water system supporting certain types of fish. Around the late 1800s, degradation occurred and the fish that once thrived in the lake, such as the American eel, Atlantic Salmon and Whitefish declined. The decrease in population was resulting from the increase in temperatures because of severe pollution and human activities taking place. Even though the species are starting to gain popularity in this lake once again, the evidence shows that pollution had a direct impact on the fish that once inhabited this environment.[42]

A survey in 1928 showed the lake was habitat for only ten remaining species.[22] After clean-up and restoration efforts, researchers found a total of 54 species of fish captured in the lake between 1990 and 1999. The quality of sport fishing for large and small-mouth bass has gained national acclaim.[22]

In 2011, Brown Trout were listed among Onondaga Lake's Common Species, and Lake Sturgeon, stocked in nearby Oneida Lake, had returned.[43] In addition, in recent years, areas around the lake has become an overwintering spot for bald eagles, a demonstration that the fishing is good.

See also


  1. ^ New York State Department of Environmental Conservation (October 2008). "Citizen Participation Plan for the Onondaga Lake Bottom Subsite Remedial Design Program" (PDF). p. 15. Retrieved 21 April 2011. 
  2. ^ a b c d Matthews, David A.; Steven W. Effler, Carol M. Matthews (Brooks) (Nov–Dec 2000). "Ammonia and Toxicity Criteria in Polluted Onondaga Lake, New York". Water Environment Research 72 (6): 731–741. 
  3. ^ a b c d Driscoll, Charles T. "Background of Onondaga Lake". Mercury in Onondaga Lake. Retrieved 4 April 2011. 
  4. ^ "Onondaga Lake Watershed". Onondaga Lake Partnership. 
  5. ^ a b c "Onodaga Lake". The Upstate Freshwater Institute (UFI). Retrieved 4 April 2011. 
  6. ^ a b c "Onondaga Lake". Onondaga Lake Partnership. Retrieved 4 April 2011. 
  7. ^ a b c d "Onondaga Lake". The Upstate Freshwater Institute. 
  8. ^ a b c "Onondaga Lake" (PDF). US Environmental Protection Agency. 
  9. ^ "Onondaga Lake", Onondaga Nation
  10. ^ "Vision for a Clean Onondaga Lake", Onondaga Nation
  11. ^ a b c d e f "Human Use of Onondaga Lake". Onondaga Lake Partnership. 
  12. ^ a b c d e Kappel, William M. "Salt Production in Syracuse, New York ("The Salt City") and the Hydrogeology of the Onondaga Creek Valley" (PDF). Department of Interior U.S. Geological Survey. 
  13. ^ "Citizen Participation Plan for the Onondaga Lake Bottom Subsite Remedial Design Program" (PDF). New York State Department of Environmental Conservation. 
  14. ^ "Onondaga Lake: We Stand at a Fork in the Road". Syracuse Peace Council. 
  15. ^ a b "History of Onondaga Lake". Onondaga Community College, 2010. Retrieved November 20, 2010. 
  16. ^ a b c d e f "Honeywell & Onondaga Lake: A Timeline". Onondaga Nation. 
  17. ^ New York. Department of Environmental Conservation .New York State DEC. New York, New York:, 2014. Print. .
  18. ^ a b Bell, Valerie Jackson (October 1998). "The Onondaga New York Salt Works (1654–1926)". Science Tribune. Retrieved November 5, 2010. 
  19. ^ a b c "Welfare Bureau Has Option at $500 an Acre on Former Railroad Property Near Proposed Highway".  
  20. ^ a b "Long Branch Park". Onondaga County Parks, 2010. Retrieved November 7, 2010. 
  21. ^ a b c d e "Onondaga Lake Park". Onondaga County Parks, 2010. Retrieved November 7, 2010. 
  22. ^ a b c "Onondaga Lake Park Longbranch Park". , 2010. Retrieved November 7, 2010. 
  23. ^ "Directions". Onondaga County Parks, 2010. Retrieved November 7, 2010. 
  24. ^ a b "Sainte Marie among the Iroquois". VirtualTourist, 2010. Retrieved November 5, 2010. 
  25. ^ a b c d e f "Water Quality in the Past". Onondaga Lake Partnership. 
  26. ^ a b c "Onondaga Lake Contaminants of Concern". Onondaga Nation. 
  27. ^ a b c "Region 2: Onondaga Lake". US Environmental Protection Agency. 
  28. ^ a b "Pollutants & Onondaga Lake". Onondaga Lake Partnership. 
  29. ^ a b "Onondaga Lake Contaminents of Concern". Onondaga Nation. 
  30. ^ a b "Cleanup: Industrial Chemicals". Onondaga Lake Partnership. 
  31. ^ a b c d e f g "A Historical Perspective" (PDF). New York State Department of Environmental Conservation. 
  32. ^ "Fish". Onondaga Lake Partnership. 
  33. ^ "Onondaga Lake Superfund Site". New York State Department of Environmental Conservation. 
  34. ^ a b c d e f "Onondaga Lake Superfund Site". US Department of Environmental Conservation. 
  35. ^ "Cleanup: Municipal Wastewater". Onondaga Lake Partnership. 
  36. ^ a b c "The Onondaga Lake "Cleanup" Plan". Onondaga Nation. 
  37. ^ a b Riede, Paul (November 15, 2012). "Onondaga Lake Visitor Center offers upbeat picture of massive cleanup".  
  38. ^ a b "Onondaga Land Rights Action Background". Neighbors of Onondaga Nation. 
  39. ^ Kehow, Robert. "Neighbor to Neighbor, Nation to Nation: Water Connects Us All". Syracuse Peace Council. 
  40. ^ "Onondaga Nation Announce Land Rights Action Promising No Evictions and No Casinos". Neighbors of Onondaga Nation. 
  41. ^ Tango, Peter, and Neil Ringler. The Role of Pollution and External Refugia in Structuring the Onondaga Lake Fish Community. 1. 12. Taylor & Francis Online, 2009. 81-90. Print.
  42. ^

External links

  • Onondaga Lake Improvement Project
  • Onondaga Lake Partnership
  • U.S. Environmental Protection Agency: Onondaga Lake
  • Superfund site information for Onondaga Lake
  • Our Lake: Central NY Near-Real-Time Surface Water Quality Network
  • USA Today: Honeywell agrees to spend $451 million to clean up NY lake
  • U.S. Water News Online: State proposes clean up contamination that creates one of world's most polluted lakes
  • 1988: David Yarrow halts construction of a new shopping mall on the Onondaga Lake shore, warning of hazardous wastes and gasoline under the site, and of the existence of Kaneenda, an ancient Onondaga Indian fishing village.
  • Onondaga Lake Park Marina, 2010
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