A measured audit of roof areas, hardstanding, yards and drainage routes against what the water company bills for. Where the records overstate, the pack supports correction and a backdated reclaim.
Roofs, yards and hardstanding captured and scheduled, with the extent of each chargeable surface established.
Where the water actually goes: sewer, soakaway, SUDS or watercourse, documented per surface.
The corrected charge basis presented in the format wholesalers and retailers act on.
Surface water lines on commercial water bills rest on historic site areas and untested drainage assumptions. Sites with large roofs, shared yards or any private drainage are the classic overcharge cases.
Send it over. The desk check is free and the reclaim, where one exists, is backdated.