The director is authorized to establish local limits pursuant to SC R.61-9.403.5(c)
and (d). Local limits are developed through the calculation of maximum allowable headworks
loadings (MAHL) for all pollutants of concern as established in the pretreatment program,
which is incorporated herein by reference. Industrial wastewater survey information
will be used to develop industrial user-specific local limits based on the mass-based
allocation method. Any applicable local limits shall be included in the individual
SIU or IU permit or other documents. The local limits apply at the point where the
wastewater is discharged to the POTW. All concentrations for metallic substances are
for total metal unless indicated otherwise. The city may impose mass limitations in
addition to, or in place of, concentration-based limitations.
(b)
The director may develop best management practices (BMPs), by ordinance or in individual
wastewater discharge permits or general permits, to implement local limits and the
requirements of section 82-66.
(Ord. No.
4212
, 10-13-2015)
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