Ontario Provincial Police (OPP)
🇨🇦 Canada · Police · 34 reports
- People arrested
- 296
- Plants destroyed
- 302,168
- Cannabis seized
- 22.5494 t
Totals of what these reports state; a report counts when a source it cites names the agency.
37-year-old charged with drug-impaired driving in Southgate
Grey Bruce OPP arrested a 37-year-old Mississauga driver on Nixon Street in Southgate on Nov. 8 after seeing evidence of cannabis during a traffic stop. He faces impaired-driving, cannabis-availability and licence-plate charges and is due in court in Owen Sound on Dec. 17.
Arrested 1Charged 123 charged in Project North Star cannabis probe in Ontario
York Regional Police charged 23 people and seek one more suspect after Project North Star, an inquiry into a London-supplied illicit cannabis network and online dispensary. Police say the group shipped cannabis by parcel across North America and Europe and seized over 1,550 pounds of cannabis plus hashish and derivatives worth about $4.8 million in London.
Arrested 23Charged 23Cannabis 708.92 kgOne driver charged in Dryden RIDE stop over cannabis, shotgun
Dryden OPP stopped a Fort Frances driver at a RIDE check on Highway 594 near Gordon Road on 1 November 2026 and charged him under provincial cannabis and wildlife laws. Officers said an uncased shotgun and readily accessible cannabis products were in the vehicle, and the cannabis was seized.
Arrested 1Charged 1Two Hamilton cannabis dispensaries shut down, two men charged
Two men, aged 27 and 24, were charged after Hamilton Police shut down two illegal cannabis dispensaries on 29 October 2026, including a Wellington Street North store that had reopened after an earlier search. Police said about 30 illegal dispensaries still operate in the city and warned that reopening after enforcement would bring further action.
Charged 2Three charged after OPP find loaded gun and 63 g of cannabis shatter in Midland
Ontario Provincial Police charged three men after searching an address in Midland, Ontario, on 27 October 2026, where officers looking for a wanted person found a loaded handgun, suspected cocaine and methamphetamine, and 63 grams of cannabis shatter. All three face firearm and drug charges and were held for court in Barrie; one is also charged with possessing cannabis for sale.
Arrested 3Charged 3Cannabis 63 gSix charged after 5,260-plant cannabis seizure in Greater Napanee
Ontario Provincial Police raided an illegal grow on County Road 12 in Greater Napanee on 24 September 2026, arresting six people and seizing 5,260 cannabis plants valued at about $7.9 million, plus $1,900 cash and a Lexus. All six face Cannabis Act charges and appear in court in Napanee on 15 December.
Arrested 6Charged 6OPP dismantle grow sites in Stone Mills and Madoc
Ontario's cannabis enforcement team searched properties in Stone Mills and Madoc on 7 October, seizing 1,072 plants, processed cannabis and a stolen vehicle worth over $1.8 million. No one was at either site; power was cut over fire and electrical hazards and inquiries continue.
Plants destroyed 1,0729,110 plants and 107 kg seized in $4.6M Haldimand County raid
Ontario Provincial Police searched a Highway 54 property in Haldimand County on 22 September 2026, seizing about 9,110 cannabis plants plus 107.5 kilograms of processed cannabis worth more than $4.6 million. Two men were charged under the Cannabis Act and a third suspect remains outstanding.
Charged 2Cannabis 107.5 kgEight charged after 5,560 cannabis plants seized in Tyendinaga
Eight people were charged after a September 9 search on Tyendinaga Mohawk Territory found about 5,560 cannabis plants and 34 kilograms of cannabis shake. Police valued the plants at C$2.78 million and said the investigation remained ongoing.
Charged 8Cannabis 34 kgThree arrested in OPP raids on illegal Niagara cannabis shops
Ontario Provincial Police searched two unauthorized storefronts in St. Catharines and Welland in June and August 2026, seizing suspected illegal cannabis with psilocybin, LSD and DMT products. Three people were arrested in the summer crackdown on illegally operating Niagara shops.
Arrested 3Four charged after OPP raids Windsor’s 420 Highway cannabis network
Four men were charged after an OPP-led team searched three Windsor locations tied to an online cannabis operation called 420 Highway. Officers seized cannabis products, tobacco, packaging equipment and C$24,000; the estimated value of all seized property and equipment exceeded C$365,000.
Arrested 4Charged 4Nine arrested in interprovincial bust with 207 cannabis edibles
Nine people were arrested and charged after Winnipeg-led Project Pink Panther warrants in Winnipeg and the Greater Toronto Area on 26 August 2026. Officers seized about 207 cannabis edible packages among cocaine, methamphetamine and other drugs, plus cash, firearms and vehicles.
Arrested 9Charged 9Two charged after 23 kg and nearly 4,000 plants seized in Brampton unit
Ontario Provincial Police charged two men after finding an unlicensed cannabis production operation in a commercial unit on Rutherford Road South in Brampton, seizing nearly 4,000 plants and more than 23 kilograms of processed cannabis that police valued at over C$1.5 million. Both were released and were due in a Toronto court on 3 September.
Arrested 2Charged 2Plants destroyed 4,000Cannabis 23 kgFive charged after 32.3 kg of unstamped cannabis seized at Cornwall border
Canadian border officers found unstamped cannabis and THC vape products hidden in a vehicle entering at the Cornwall port of entry on 25 April 2026, and the RCMP charged five Toronto-area men. Officers seized 32.3 kg of unstamped cannabis and 1,700 vape cartridges, edibles, cash and phones.
Arrested 5Charged 5Cannabis 32.3 kg72,000 cannabis plants seized in Tyendinaga raids, ten charged
Police raided four illicit cannabis production sites on Tyendinaga Mohawk Territory on 23 and 24 September 2025, seizing more than 72,000 plants worth over $122 million with three firearms. Ten people were charged after an investigation into organized networks operating on the territory since April.
Charged 10of them seized 72,000SQ dismantles cannabis ring in raids across Quebec and Ontario
More than 130 SQ officers with Montreal and Ontario provincial police raided a trafficking ring on 17 September 2025, seizing about a tonne of packaged cannabis, 1,110 plants, dynamite, gold bars and $320,000 in cash.
Arrested 2of them seized 1,110Cash confiscated CAD 320,000OPP seize 107,000 cannabis plants from Haldimand County greenhouse
On 16 July 2025 Ontario Provincial Police and partner agencies searched a large greenhouse on Highway 3 in Haldimand County, seizing more than 107,000 unauthorized cannabis plants, about 950 pounds (430 kilograms) of dried bud and grow equipment, valued at over CAD 55 million, and charging 16 people with unlawful cultivation and possession for distribution.
Arrested 16Plants destroyed 107,000Cannabis 430 kgRCMP charges six over 17,000-plant cannabis network in Ontario
The RCMP charged six people with running a complex illicit cannabis network across three large grow sites in Ontario, seizing and destroying about 17,000 plants worth an estimated $16 million a year and exported abroad.
Arrested 6Charged 6Plants destroyed 17,000Ontario police seize 8 tonnes and 45,000 plants in Kingsville
Ontario's joint cannabis enforcement team raided two greenhouses and two homes near Kingsville on 28 June 2022, seizing more than 45,000 plants and eight tonnes of processed cannabis valued by police at over $61 million. No charges had been laid when the raid was announced.
Cannabis 8 tProject Gainsborough seizes 10.6 tonnes and arrests 21 in Ontario
Police executing 15 warrants in Project Gainsborough on 3 November 2021 seized 10,619 kg of cannabis products and 15,343 plants across southern Ontario and dismantled two extraction labs. Twenty-one people were arrested on 118 charges in the C$32 million bust.
Arrested 21Charged 21of them seized 15,343Cannabis 10.619 tSix charged as Ontario police seize 21,000 plants in Vineland raids
Ontario's joint cannabis enforcement team searched two greenhouses and two homes in Vineland and St. Catharines on 14 October 2021, seizing more than 21,000 plants and 181 kg of processed cannabis police valued above $22 million and charging six people.
Charged 6Cannabis 181 kgFour charged as over 5,000 cannabis plants seized in Pembroke
Ontario police raided a commercial building on Mackay Street in Pembroke on 3 March 2021 and seized more than 5,000 cannabis plants with growing equipment. Four people were charged with cultivating cannabis outside a dwelling and released to appear in court in April.
Arrested 4of them seized 5,00075,000 plants and 2,400 kg seized in Leamington greenhouse raid
Ontario police raided a greenhouse on Mersea Road in Leamington on 18 November 2020, seizing more than 75,000 cannabis plants and about 2,400 kg of processed cannabis valued at over C$80 million. Ten people were arrested and charged.
Arrested 10Charged 10of them seized 75,000Cannabis 2.4 tCannabis over 30 g leads to arrest at a Puslinch carpool lot
Wellington County OPP arrested 41-year-old Kulbir Singh Bains of Cambridge at the Lake Road carpool lot in Puslinch on 19 December 2018 after finding marijuana over the 30-gram legal limit and cocaine in his car. Police charged him with possessing cannabis for sale, cocaine trafficking and resisting arrest, and he was due in Guelph court on 22 January 2019.
Arrested 1Charged 1Cannabis 30 gOntario police destroy close to 2,700 plants in Project O-SABOT
Four southwestern Ontario police services with the Canadian Armed Forces seized and destroyed close to 2,700 outdoor cannabis plants between 19 and 21 August 2013 in Project O-SABOT, the Ontario arm of the national Operation SABOT.
Plants destroyed 2,700Project OSABOT eradicates 4,700 outdoor plants in southwestern Ontario
Five police services with military support seized and destroyed about 4,700 outdoor marijuana plants across southwestern Ontario between 14 and 18 September 2009. Police valued the haul at close to 4.7 million dollars and reported no arrests from the five-day operation.
Plants destroyed 4,70040,000 cannabis plants seized in cornfield near Pembroke
Ontario Provincial Police executing a search warrant on 18 September 2008 found more than 40,000 cannabis plants hidden between corn rows at 1970 B-Line Road near Pembroke, calling it the largest grow operation in Canada's history with a street value of about $40 million.
Plants destroyed 40,0003,100 plants seized at North Stormont mushroom farm
Ontario Provincial Police raided the former Nordik Imperial Mushroom farm in North Stormont on 6 March 2007, seizing 3,100 marijuana plants in the largest indoor grow operation found in eastern Ontario. Eight people were arrested and charged with production and possession for trafficking.
Arrested 8Charged 8Plants destroyed 3,10021,000 cannabis plants seized on a three-football-field farm at Iroquois Falls
Ontario police raided a remote farm near Iroquois Falls on 24 July 2005, seizing more than 21,000 cannabis plants growing in straight rows over three football fields. A 39-year-old Toronto man was arrested and charged with producing a controlled substance.
Arrested 1Plants destroyed 21,000Police shut an industrial grow-op with 2,800 plants in Sarnia's south end
Sarnia police and the OPP shut down an industrial-building grow operation in Sarnia's south end on 25 January 2005, seizing about 2,800 marijuana plants and 13.6 kg of dried cannabis. Two Sarnia residents were charged.
Arrested 2Charged 2Plants destroyed 2,800Cannabis 13.6 kgSeven sentenced over 30,000-plant Barrie brewery grow-op
Seven men who pleaded guilty to production and possession for trafficking were sentenced on 3 December 2004 over the 30,000-plant cannabis factory found in Barrie's former Molson brewery that January. The judge called them minor players, not the controlling minds; the organizers behind the estimated $120 million operation were never charged.
Arrested 9Charged 7Plants destroyed 30,000500 officers raid 160 homes in cross-Canada Operation Green Sweep
More than 500 officers executed about 150 search warrants across Canada on 30 January 2002 in Operation Green Sweep, arresting 136 people and seizing 46,796 marijuana plants. In Guelph and Wellington County, raids on five homes seized marijuana worth up to $1.5 million and led to three arrests.
Arrested 136Plants destroyed 46,796Ontario Provincial Police seize 20,000 cannabis plants near Brechin
Ontario Provincial Police called it the province’s largest marijuana bust when they seized about 20,000 plants from a farm near Brechin in late September 2001, loaded the crop into 50 cube vans, and later buried it at the Orillia landfill after deciding they could not incinerate the volume.
Plants destroyed 20,000Project Greenhouse raids 17 homes across Waterloo Region and Toronto
Police raided 17 homes across Waterloo Region, Guelph and the Toronto area on 22 June 2001 in a six-month sting called Project Greenhouse, seizing almost 2,000 marijuana plants. Twenty-three people were arrested.
Arrested 23Plants destroyed 2,000