Our History

Historical Timeline 

Since the inception of the Sixteen and Twelve Mile Creek Conservation Authorities and their amalgamation to form Conservation Halton, there have been many notable achievements in natural resource management and environmental protection. Here are some of the primary conservation actions that have taken place from 1956 – 2006.


  • Sixteen Mile Creek Conservation Authority formed on December 20. 


  • Sixteen Mile Creek Authority requests that the Minister of Planning and Development conduct a conservation survey of the watershed to get a professional opinion of the problems and solutions. 


  • Twelve Mile Creek Conservation Authority formed on June 12. 
  • Sixteen Mile Creek Conservation Report adopted as a guide to conservation management in the watershed. 
  • Sixteen Mile Creek Conservation Authority established the Esquesing Conservation Area. 


  • Twelve Mile Creek Conservation Authority acquired 88 acres of prominent escarpment land to prevent expansion of a quarry operation. This soon became the Mount Nemo Conservation Area with other acquisitions occurring in 1962, 1963, 1965, 1966, 1968, 1970, and 1986. This action lead to the formation of a committee to evaluate the escarpment in the province and eventually resulted in the approval of the Niagara Escarpment Plan in 1985. 
  • Sixteen Mile Creek Conservation Authority established the Sixteen Valley Conservation Area. 


  • Sixteen Mile Creek Conservation Authority acquired river valley lands west of Milton for water management purposes. Later the area became the Kelso Conservation Area, well known for its extensive recreation facilities. Since 1960, the area has had over four million visitors. Other land acquisitions occurred in 1963, 1964, 1966, 1972, and 1973. 
  • Sixteen Mile Creek Conservation Authority initiated a seedling tree planting program for the watershed. From 1960 to 1987, over two million seedling trees have been planted on private and public lands. 
  • Twelve Mile Creek Conservation Report adopted as a guide to conservation management in the watershed. 
  • Twelve Mile Creek Conservation Authority established Shananhan Resource Management Area to protect the headwaters of the Bronte Creek. 


  • Sixteen Mile Creek Conservation Authority established the Rattlesnake Point Conservation Area. Other land acquisitions occurred in 1962, 1972, 1974, 1984, 1986, and 1987. 
  • Twelve Mile Creek Authority acquired flood plain land in Carlisle which became known as the Carlisle Conservation Area. 
  • Twelve Mile Creek Authority acquired lands in Nassagaweya Township to establish an Authority forest acquisition program. Other forest lands were acquired in 1962 and 1964. 


  • Sixteen Mile Creek Authority acquired Oakville flood plain lands. This initiated a flood plain acquisition and management program that continues today. 
  • Official opening of the Rattlesnake Point Conservation Area by the Twelve Mile Creek Authority. 
  • Twelve Mile Creek Authority acquired the Campbellville Community Pond and Twiss Resource Management Area. 
  • Sixteen Mile Creek Authority established the Escarpment Resource Management Area near Dufferin Quarry in Milton. 


  • Twelve and Sixteen Mile Creek Authorities amalgamated on December 31 to form the Halton Region Conservation Authority.
    Authority established the Burns Conservation Area. 
  • McLean Resource Management Area established to protect headwaters of Bronte Creek. 


  • Authority takes over operation and management of Glen Eden Ski Area which soon became an important regional recreation facility. 
  • Official opening of Kelso Dam and Reservoir project to control water in the Sixteen Mile Creek watershed. 
  • Mountsberg Conservation Area established for water management purposes but is also designated as a wildlife sanctuary. Other acquisitions occurred in 1964, 1965, 1972, 1978, 1979, and 1981. 


  • Official opening of Mountsberg Dam and Reservoir to control water in the Twelve Mile Creek watershed. 
  • Authority built a wildlife compound at the Rattlesnake Point Conservation Area and acquired a demonstration buffalo herd. 


  • Authority initiated a flood plain mapping and aerial photography program for watershed valley lands. 
  • Authority organized an Arbour Day program for local schools. 


  • Authority established the Hilton Falls Conservation Area. Other land acquisitions occurred in 1968, 1969, 1970, 1973, 1974, 1975, 1984, 1986, and 1987. 
  • Tirion Resource Management Area established to protect escarpment lands northwest of Milton. 


  • Crawford Resource Management Area established to protect significant escarpment lands south of Campbellville. 


  • Official Opening of Morrison-Wedgewood Diversion Channel – a two million dollar project built to divert flood waters in Oakville, west to the Sixteen Mile Creek. 
  • Crawford Lake Conservation Area established with additional lands acquired in 1971, 1986 and 1987. 


  • Authority initiated “Conservation Week’ to inform watershed residents about the importance of wise natural resource management. The program was so successful that it was held on a province wide basis. 


  • Official Opening of the Scotch Block Dam and Reservoir to control water on the Sixteen Mile Creek. An unusual feature of the dam is the water level control device – a long rubberized fabric balloon or fabridam that stretches the width of the spillway and is able to inflate or deflate to regulate the height of the water. 
  • First major expansion of the Glen Eden Ski Area included new lifts, ski runs, and chalet improvements. 


  • Establishment of flood plain and head water regulations to protect natural watercourses. 
  • Acquisition of the Lake Medad Resource Management Area located on the Niagara Escarpment near Grindstone Creek in the Town of Flamborough 


  • Official Opening of Hilton Falls Dam and Reservoir for water control purposes on the Sixteen Mile Creek. 
  • Farm Tree Replacement Program initiated to replace disappearing elm trees. Since 1973 over 15,000 hardwood saplings have been planted on private and public lands. 
  • Authority initiated Milton Flood Control project to alleviate flooding in the core area of the town. 
  • Archaeological investigations at the Crawford Lake Conservation Area uncovered a pre-historic Iroquoian Village 
  • McCroden Resource Management Area was acquired to protect a significant wetland in the Town of Halton Hills. 


  • Official opening of Mountsberg Wildlife Centre where conservation education programs are provided to students and the general public. 
  • Demonstration Maple Sugar Bush established at the Mountsberg Conservation Area. 
  • Authority took lead role for the Halton Waterfront Study. 


  • Formation of Halton Region Conservation Foundation to raise additional funds for watershed conservation programs. 
  • Acquisition of Kiwanis Resource Management Area to protect escarpment lands near the Halton Agreement Forest Tract. 
  • Completion of Halton Hills channel on the Sixteen Mile Creek above Scotch Block Dam to alleviate local flooding. 


  • Official opening of Hager-Rambo Diversion Channel in Burlington. The water control channel diverts the flow of the upper Hager and Rambo Creeks west to Indian Creek to alleviate local flooding. 


  • Authority acquired properties on the Burlington Beach strip to initiate the Lake Ontario Waterfront program. 
  • Glen Eden Ski Area expansion included a chalet addition and a triple chairlift. 


  • Authority initiated preparation of the watershed master plan to determine future direction of resource management program. 


  • Authority acquired mobile interpretive centre to increase public awareness of conservation. 
  • Fourteen Mile Creek Channel Improvements initiated in Oakville 


  • Preferred Halton Waterfront plan adopted by the Authority. 
  • Additional property acquisitions occurred on the Burlington Beach Strip. 


  • Authority started to document and inventory watershed wetlands. The program continued to 1987 and culminated in the preparation of the Wetlands Evaluation Report. 
  • Part of Kelso Reservoir was drained for a provincial homicide investigation. The alleged body was never found but an enormous snapping turtle, found in the Highway 401 culvert, caused quite a stir. 


  • Authority acquired a computer flood warning and streamflow data system. 
  • Significant wetlands were acquired at the Bunker Tract, a headwater area for Bronte Creek, and the Beverly Swamp in the Town of Flamborough. 
  • Conservation Foundation kicked off a $700,000 project to raise funds for educational facilities at the Crawford Lake Conservation Area 


  • Authority acquired the Knight property to protect a part of Beverly Swamp in the Town of Flamborough. 
  • Authority adopted an Interim Watershed Plan to establish future direction for the resource management program. 


  • Completion of Milton Flood Control Channel to alleviate flooding in downtown Milton – a project that included five phases since 1973. 
  • Official opening of Crawford Lake Iroquoian Village and Conservation Centre – the Authority’s second public and student conservation education facility. 


  • Province of Ontario approved the Niagara Escarpment Plan. Authority appointed to acquire lands for the Niagara Escarpment Parks System in the watershed. 
  • Initiation of the $10,000,000 Hager-Rambo Flood Control project in Burlington. 
  • Acquisition of the Harrison Resource Management Area – part of the Guelph Junction Environmentally Sensitive Area located near Campbellville. 


  • New escarpment land acquisitions occurred at the Crawford Lake, Hilton Falls, and Rattlesnake Point Conservation Areas. 
  • Authority acquires grant from Ministry of Citizenship and Culture to complete the Crawford Lake Iroquoian Village 


  • Conservation Authority given responsibility for Lake Ontario shoreline management. 
  • Approval of master plans for Burloak, Burlington Beach, and Bronte Outer Harbour waterfront parks. 
  • Official opening of new administration office in Lowville 


  • Snowmaking improvements at Glen Eden 
  • Forest improvements and extensive tree planting 


  • Acquisition of Burlington waterfront properties 
  • R.J. Kelly New Picnic Pavilion built at Mountsberg 
  • Triple Chairlift built at Glen Eden 


  • Watershed stewardship program expands 


  • Comfort station built at Rattlesnake Point 
  • Picnic Pavilion built at Carlisle Conservation Area 
  • Information Kiosk constructed at the Campbellville Conservation Area 


  • New land acquisitions at conservation areas 


  • Wolf Clan Longhouse opened at Crawford Lake 
  • Conservation Halton Foundation received Friends of the Niagara Escarpment Award. 
  • Brock Harris Lookout built at Mount Nemo 


  • Hurricane Hazel is 40 years old 
  • 390 acres purchased from Lac Minerals to expand Kelso 
  • Viewing platforms constructed at Hilton Falls 


  • Hager Rambo Flood control improvements in Burlington 
  • Conservation Halton aids rural landowners with CURB program (Clean Up Rural Beaches) 
  • Raptor Education Centre opened at Mountsberg 


  • New lookout built at Rattlesnake Point 
  • Conservation Halton loses 66% of its funding from Province 
  • Watershed stewardship efforts expand 


  • Quad Chairlift built at Glen Eden 
  • Snowboarding introduced at Glen Eden 
  • Conservation Halton initiates sand replenishing program for Burlington Beach 


  • Foundation publishes photography book on Halton watershed 
  • Kelso master plan reviewed 
  • Grindstone Creek Watershed Study completed 


  • Hamilton Harbour Rehabilitation project wins international award 
  • New shuttle carpet lift installed at Glen Eden 
  • Mountsberg Visitors Centre fundraising campaign starts 


  • Inspired by Nature strategic watershed plan prepared 
  • New name and logo adopted 


  • First report card produced on watershed health 
  • Forest improvements carried out in Conservation Halton lands 
  • Bronte Creek Watershed Study completed 


  • Conservation Halton hosts biennial tour for Ontario Conservation Authorities 
  • 21,000 trees planted with help from Ontario Power Generation 
  • Master Plan developed for Crawford Lake 


  • See Watershed Report Card section for conservation achievements