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Variances and Exemptions: A Quick Reference Guide

EPA Number: 816F04005
Date of Publication:September, 2004
Audienceconcerned citizens, industry, Regulated Community, Scientific Community, State and local government

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Variances allow eligible system to provide drinking water that does not comply with a National Primary Drinking Water Regulation (NPDWR) on the condition that the system installs a certain technology and the quality of the drinking water is still protective of public health.

Small System Variance Technology (SSVT)
Water Systems
National Primary Drinking Water Regulations
Water Utilities
Potable Water
Small Systems
Treatment Technology
Best Available Technology (BAT)
Water Treatment

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