Use of chemical weapons in the War in Iraq (2013–2017) by ISIL has been confirmed by the OPCW and US defense officials.
The table below lists reported chemical weapons attacks in the Iraqi Civil War.
| Date | Location | Governorate | Impact points | Civilian victims | Soldier/militias victims | CW-agent | Notes | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Time of day | Coordinates | Controlled by | Deaths | Non-fatal | Deaths | Non-fatal | Unit | ||||||
| 21 or 22 June 2015 | Mosul Dam | Nineveh | Kurdish forces | A 120-mm mortar shell fired at Peshmerga positions fail to explode.[1] | |||||||||
| 11 August 2015 | Makhmur | Nineveh | Tuesday night | Kurdish forces | Around 60 affected, 4 seriously. | Peshmerga | Mustard gas | According to Peshmerga officials, around 45 120-mm mortar shells were launched on Peshmerga positions.[2] [3] [4] [5] Confirmed by US defense officials.[6] [7] | |||||
| 11 August 2015 | Makhmur | Nineveh | Tuesday afternoon | Kurdish forces | Peshmerga | Chlorine | Katyusha rockets were launched on Peshmerga positions.[8] | ||||||
| 12 August 2015 | Sultan Abdullah | Nineveh | Wednesday night | Kurdish forces | Peshmerga | Possibly Mustard gas | 45 shells were launched on Peshmerga positions.[9] [10] | ||||||
| 11 February 2016 | Sinjar | Nineveh | Thursday, between 1500–1600 | 200 meters behind the front line south of Sinjar. | Kurdish forces | - | 30 affected, 9 seriously. | The 8th Peshmerga brigade | Possibly Chlorine | IS militants reportedly fired 30 81mm mortar shells believed to have been filled with chlorine, at Kurdish troops.[11] [12] [13] | |||
| 8 March 2016 | Taza Khurmatu | Kirkuk | Late Tuesday and early Wednesday 9 March | Kurdish forces | 1 | Some 400 were exposed, around 200 were injured, 16 seriously. | Possibly Mustard gas | 24 shells and rockets were fired into the village from IS positions in the nearby Bashir area.[14] A two or three-year-old girl wounded in the attack died on Friday 11 March.[15] [16] [17] | |||||
| 12 March 2016 | Taza Khurmatu | Kirkuk | Early Saturday | Kurdish forces | Unclear. | Possibly Mustard gas | According to Iraqi security and hospital officials, chemical rockets were fired into a residential part of Taza.[18] [19] | ||||||
| 6 March 2017 | Mosul | Nineveh | Monday | Iraqi Security Forces | 4 killed | 25 wounded[20] | Unclear | ||||||
After around 35 Kurdish soldiers were injured during fighting against Islamic State militants southwest of Erbil in August 2015, samples were taken by OPCW in an investigation directed by the Iraqi government. In February 2016, a source at the OPCW confirmed that the samples tested positive for mustard gas.[21] [22]