Current through Register Vol. XLI, No. 50, December 13, 2024
Section 46-03-7 - Small Wastewater Treatment Plants7.1 For the purpose of this section, these rules pertain to sewage treatment plants of 40,000 gallons per day capacity or less.7.2 Operational reliability for such plants shall be provided in order that pollutants are not discharged during periods of power failure.7.3 The wastewater treatment structure shall be protected against physical damage for the 25-year flood level and operability be maintained during the 10-year flood level.7.4 In the case of mine bathhouses, schools, shopping centers, or other wastewater treatment facilities which surcharge the plant on a periodic basis, as opposed to generally constant flows, equalization facilities shall be provided. In cases where the organic loading is of low concentration, supplemental substances may be added, to obtain adequate treatment.7.5 No construction, installation, modification or operation of a wastewater disposal system (treatment plant, sewers, lift stations and appurtenances) shall be performed until a Water Pollution "Control Permit has been issued for the facilities.