(a) National categorical pretreatment standards as promulgated by the U.S. Environmental Protection Agency (EPA) pursuant to the Act shall be met by all Dischargers of the regulated industrial categories. An application for modification of the national categorical pretreatment standards may be considered for submittal to the Regional Administrator by the Village Administrator or his authorized representative, when the Village of North Baltimore's wastewater treatment system achieves consistent removal of the pollutants as defined by 40 CFR Section 403.7.
(b) State requirements and limitations on discharges to the POTW shall be met by all dischargers who are subject to such standards in any instance in which they are more stringent than federal requirements and limitations of those in this or any other applicable regulation.
(c) Council reserves the right to amend this Regulation to provide for more stringent than federal requirements and limitations or requirements on discharges to the POTW where deemed necessary to comply with the objectives set forth in Section 915.01.
(d) No Discharger shall increase the use of potable or process water in any way, nor mix separate waste streams for the purpose of diluting a discharge as a partial or complete substitute for adequate treatment to achieve compliance with the standards set forth in this regulation.
(e) Any Discharger not issued a permit shall not discharge wastewater containing concentrations of the following enumerated materials, exceeding the following values:
Material | Concentration (mg/l) |
Aluminum | 0.100 |
Cadmium | 0.003 |
Copper | 0.150 |
Cyanide | 0.0 |
Lead | 0.05 |
Mercury | 0.0001 |
Nickel | 0.180 |
Phenols | 0.200 |
Silver | 0.200 |
Total Chromium | 0.220 |
Zinc | 0.240 |
The limit for ammonia shall be 50 mg/l, except where special permit is issued to exceed this limit. (Ord. 11-06. Passed 5-3-11.)