1. First you Collect your deed from your attorney or Caroni 1975 Limited office
2. The deed should be accompanied with a NOTICE OF ASSESSMENT NUMBER for the section of the Residential development 
3. You should also collect the Town and Country development Approvals if available. So ask if it is.
4. You should also collect the Regional Corporation Final approval for the development if available. So ask if it is.
5. You should also collect a copy of the cadastral drawing for your particular Residential Lot.
6. Get a wasa clearance application form and a sample Statutory declaration for a wasa clearance.
7. Take the deed and a copy WITH NOTICE OF ASSESSMENT NUMBER to District Revenue Office where ever the land is located.
8. Ask for a certificate of payment for wasa clearance purposes for your Residential lot.
9. Get Statutory declaration prepared by an attorney or Justice of the Peace or Commissioner of Affidavit for wasa clearance.
10. Do a Sketch of where the land is located giving directions for the field officer
11. Copy of cadastral drawing
12. 2 forms of identification 
13. Authorization from owner if applying on their behalf. Please state to APPLY & COLLECT on their behalf.
14. Fill out wasa clearance application 
15. Fee is $450 TT for wasa clearance certificate 
16. Fee is $805 for new connection.
17. It takes between 10 to 30 working days.

This is from my personal experience:

If you need assistance please contact 747-5423