Sodium & potassium findings are consistent with initial predictions

Over 200 water systems report drinking water problems

Arsenic, disinfection byproducts and radioactive contaminants present in local water systems.

Implies city could descend into anarchy

Penafiel and Starkey water contained higher arsenic levels according to California nonprofit.

Contaminants include chemicals such as arsenic, hexavalent chromium and radioactive elements such as uranium and radium.