Compliance

Major, or Significant Industrial Users, are defined as those that meet any of the following criteria:

• Are subject to categorical standards
• Discharge a nondomestic waste stream of 25,000 gallons (0.025 mgd) or more per day.
• Contribute 5% or more of the average dry weather hydraulic or organic capacity of the WWTP.
• Have a reasonable potential, in the opinion of the WWTP supervisor, to adversely affect the treatment plant (inhibition, pass-through, sludge contamination, or endangerment of personnel).

These industries are regulated individually by a discharge permit and have specific effluent limits placed upon their discharges. They are also monitored and inspected periodically to ensure compliance.

Major Non-Significant Industrial Users and Commercial Users, are defined as those that meet any of the following criteria:

• Are small industries and/or commercial users (auto repair shops, car washes, laundromats, etc.) whose discharges do not significantly impact the treatment system.
• Discharge a nondomestic wastestream < 25,000 gpd.
• Contribute < 5 % of the average dry weather hydraulic or organic capacity of the WWTP.

Industries that have the potential to discharge a nondomestic or process waste stream, but currently only discharge a sanitary waste stream may also be included in this grouping.

Industries in this group may be included in a general permit system and occasionally monitored and inspected to determine if their status has changed.

Insignificant Industrial Users are defined as those that:

• ​Have been eliminated from further consideration. They do not discharge to the collection system or else do not have any reasonable chance to discharge non-domestic waste stream to the POTW.