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Our staff inspects the industrial pretreatment processes of businesses to eliminate illegal discharge of harmful chemicals into the sewage treatment process and collects wastewater samples to ensure industrial compliance with federal and state environmental regulations and local sewer ordinances.
WES Source Control
In addition to the federal and state-mandated Industrial Pretreatment Program, our Industrial Permits Division also administers other programs. These other programs include:
- Septage receiving
- Extra-strength billing
- Restaurant fats, oils and grease (FOG) reduction
- Illicit discharge investigation
- Surface water sampling
- Temperature monitoring
- Mercury minimization activities
Industrial Pretreatment
Permitted Industrial User Determination
Industries who meet the criteria to require permit coverage as a Permitted Industrial User.
If the answer is yes to any of the questions below, your business meets the criteria to apply for an receive an Industrial Wastewater Discharge Permit:
- Does discharge require pretreatment to comply with federal, state or local discharge limitations?
- Does the industry discharge more than 30 lbs. of BOD (Biochemical Oxygen Demand) or TSS (Total Suspended Solids) in any given day?
- Does discharge exceed 350mg/L of BOD or TSS per day?
- Does discharge exceed 10,000 gpd?
- Does discharge require more than 20mg/L of Cl2 (Clorine) at the treatment plant?
- Does discharge contain any hazardous substances?
If the answer is no to all of the above questions, the industry does not meet the criteria that requires permit coverage and is not a Permitted Industrial User. However, WES Rules and Regulations still apply to business operations and their wastewater discharge.
Significant Industrial User Determination
Industries who meet the qualifications as a Significant Industrial User.
First, if your industry does not meet the criteria to be a Permitted Industrial User, the questions below do not apply.
If the answer is yes to any of the questions below, your business meets the criteria to be classified as a Significant Industrial User:
- Is the Industry a Categorical Industry User?
- Does Process Wastewater discharge exceeds 25,000 gpd (gallons per day)?
- Does the Industry process waste makes up 5% or more of the average dry weather hydraulic or organic loading?
- Is there reasonable potential from the Industry’s discharge to adversely affect the plant operation?
If the answer is no to all of the above questions, the business may be a Permitted Industrial User. Please see Permitted Industrial User Determination.
Fats, Oil and Grease
- Preferred Pumper Program
- Best Management Practices for Fats, Oil and Grease
- Restaurant Inspection Checklist for Fats, Oil and Grease
