Welcome. What area do you need help with?

MOSL is the market operator of England's new non-household water market and is proud to work alongside our water company members to support them driving efficiency and innovation in water.

icon

New Premises

learn more

I am connecting a water and/or sewerage connection or want to learn about developer services/building water.

icon

Metering

learn more

I am installing, exchanging, removing or testing a meter and want to know more about non-market and network meters.

icon

Settlement

learn more

I want to know more about settlement charges and timetables

icon

Switching

learn more

A customer wants to switch retailer, what do I need to know?

icon

Customers and Billing

learn more

I want to update information in CMOS such as occupancy, customer, use of the premises or service component.

icon

Deregistrations

learn more

I am deregistering a water and/or sewerage connection.

icon

Wholesale Services

learn more

I want to know more about trade effluent, leakages or drinking water incidents.

icon

Meter Reads

learn more

I want to submit an initial, transfer, final or cyclical meter read.

Forthcoming events

Recently uploaded

Log In

Please login to view secure online content. If you’re not a member you can register here. Forgotten password? Please download our guide on how to reset your password.

 

Sign Up

Please complete ALL fields below. Registration is for MOSL members and Open Water partners only in order to access controlled documents on this site.

 

Already a Member? Log in here

Forgot Password

Enter New Password

Document Versions