Alpha
This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.
Value of Milestone
From the help published with Drinking Water Watch 3.5, reproduced as delivered.
The Milestone Value field contains a numeric
value that represents the 90th percentile lead or copper level excedence
(PB90 or CU90), or Lead Service Line Replacement (LSLR) percentage rates.