It ran from April to September and saw 33 county teams and teams representing Ireland, Scotland, Wales and the Netherlands compete in a series of divisions.
Matches were played using a one day format with 50 overs per side.
The top two in each division played in a final to determine the winner, subsequently followed by promotion play-offs.
Bonus points are awarded for various batting and bowling milestones.
Source: ECB Women's County Championship[2] Source: ECB Women's County Championship[3] Source: ECB Women's County Championship[4] Source: ECB Women's County Championship[5] Source: ECB Women's County Championship[6] The teams that won the Division Finals played against the team that lost the relegation play-off from the Division above for the chance of promotion.