Underground injection control (UIC) requirements, as stated in 40 CFR 144.81(9), do not apply to single family residential septic system wells or to non-residential septic system wells, which are used solely for the disposal of sanitary waste and have the
Questions regarding the applicability of UIC regulations should be directed to the appropriate state or regional implementing agency. There is no published EPA definition for the term capacity as used in this section.
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