What to expect during our on-site Water Audit. What we need from you. After the audit, we prepare a detailed analysis showing: 1 – Water Savings 2 – Water, Sewer and Energy cost savings 3 – ROI and cost of the project Our solutions deliver the most efficient and sustainable use of water in showers and sinks. If you are also looking improve your property’s environmental “green” use of water in showers and sinks – there is no better way.