If effluent conditions make calculations by the composite method impossible or unrealistic, another method of sampling and computation acceptable to the engineer and based on the rates set by Board resolution may be implemented. The rates shall be as established by Board resolution. Industrial waste discharge permit fees. The engineer shall determine the effective period for the permit, based upon such factors as concentration, volume, and origin of the discharge. In no case shall an industrial waste permit be effective for a period exceeding five years.
Fees are payable to the county as part of the application for the permit or permit renewal.
The engineer may establish a minimum limit for monthly extra-strength charges. The billing for all accounts whose monthly extra-strength charges are below this minimum limit will be suspended until such time as they are found to be higher. The engineer may check sewage strength as outlined in this section and adjust charges where applicable at any time in accordance with the most recent analysis. Any discharger may request the district to resample wastewater at no charge if 18 months or more have elapsed since the last such sampling. If less than 18 months have elapsed since the last sampling, then requests for the district to resample wastes shall be submitted in writing and accompanied by full payment for the resampling fee, in an amount set by Board resolution.