An Exemption is State or US EPA permission for a water system not to meet a certain drinking water standard. An Exemption allows a system additional time to obtain financial assistance or make improvements in order to come into compliance with the standard. The system must prove that: (1) there are compelling reasons (including economic factors) why it cannot meet US EPA health standards (Maximum Contaminant Levels or Treatment Techniques); (2) it was in operation on the effective date of the requirement; and (3) the Exemption will not create an unreasonable risk to public health. The state must set a schedule under which the water system will comply with the standard for which it received an Exemption.
Other /More definition:
An Exemption is State or EPA permission for a water system not to meet a certain drinking water standard. An Exemption allows a system additional time to obtain financial assistance or make improvements in order to come into compliance with the standard. The system must prove that: (1) there are compelling reasons (including economic factors) why it cannot meet a MCL or Treatment Technique; (2) it was in operation on the effective date of the requirement, and (3) the Exemption will not create an unreasonable risk to public health. The state must set a schedule under which the water system will comply with the standard for which it received an Exemption.
Other /More definition:
An Exemption is State or EPA permission for a water system not to meet a certain drinking water standard. An Exemption allows a system additional time to obtain financial assistance or make improvements in order to come into compliance with the standard. The system must prove that: (1) there are compelling reasons (including economic factors) why it cannot meet a MCL or Treatment Technique; (2) it was in operation on the effective date of the requirement, and (3) the Exemption will not create an unreasonable risk to public health. The state must set a schedule under which the water system will comply with the standard for which it received an Exemption.
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