For housing providers
Trial greywater
reuse in one home.
Aqua Gratis reuses bath and shower water to flush toilets. Start with a property you manage to check the layout, plan maintenance and measure the change in mains water use.
01 / Property fit
Which home
will you assess?
Pick a layout your team knows. A floor plan with baths, showers, toilets and the proposed unit position gives Cascade a starting point for checking pipe routes and service access.
An existing occupied home
Ask the resident and repairs team about bathroom use, access for the survey and a workable time for any installation. Mark the proposed unit position and route to the cistern on the plan.
Measurement starting pointCheck whether earlier mains meter readings are available. Agree a baseline period before fitting the unit.
02 / Residents & repairs
Who looks after
the unit?
Agree the handover with the housing team, installer and Cascade before the trial begins.
- Repairs team
- Identify who takes a fault report, who can attend and how they will reach the unit. Ask Cascade for the servicing schedule for the proposed model.
- Resident
- Explain which toilets use the recovered water, what to expect during installation and who to call if a cistern stops refilling.
- Asset manager
- Keep the model, location, handover notes and service records with the property. Log visits and downtime so they can be reviewed alongside water use.
03 / Measuring the pilot
What would justify
a second property?
Agree the comparison method and a review date before installation. Water use, the work involved in servicing the unit and residents’ experience all belong in the decision.
- 01
Set a baseline
Record mains water use and occupancy. For a new build, agree a comparable occupied home or a documented design estimate and record the assumptions.
- 02
Track what changes
Agree how to measure litres delivered to cisterns and whole-home mains use over comparable periods. Note changes in occupancy, leaks and time out of service.
- 03
Review the trial
Compare mains use per occupied day, then review the readings alongside reused litres, service visits and resident feedback. Decide whether to trial a second house type.
Project enquiry
Prepare your
first pilot brief.
Use this brief with your housing team, or send it to Carolyn. A property type and a sketch of the bathroom layout are enough to start a conversation.