DRINKING WATER STANDARDS

Drinking water standards are the levels established for contaminants in drinking water. It is your responsibility to assure these standards are being met. A full list of standards can be found in Chapter NR 809 Subchapter I, W.A.C. and are comprised of:

• Primary drinking water standards
• Secondary drinking water standards
• Maximum Contaminant Level Goal (MCLG)
• Maximum Contaminant Level (MCL)
• Best Available Technology (BAT)
• Treatment Technique Requirement (TTR)
• Variances and Conditional Waivers