The Environmental Compliance Section is responsible for administering the industrial pretreatment program for Metro Water Services and ten satellite communities as required by Federal Regulations 40 CFR 403. The Pretreatment Program regulates the quality of wastewater entering the sewerage system, thereby protecting wastewater treatment plants, biosolids quality, and, ultimately, Nashville and Davidson County’s environment.
A printable copy of our Industrial Discharge Permit Application is available for download in PDF format.
You may mail the original Industrial Discharge Permit Application to:
Metro Water Services
Environmental Compliance
1450 Lebanon Pike
Building C
Nashville,
TN
37210
Attn: Industrial Compliance Section
615-862-4590
Or you may email a copy to Environmental Compliance.
Industrial Pretreatment
The Industrial Pretreatment Program regulates the quality of wastewater entering the sewerage system, thereby protecting wastewater treatment plants, biosolids quality, and ultimately, the environment
Sewer Use Ordinance
State and federal regulations require the Metropolitan Government of Nashville and Davidson County to adopt and revise as necessary industrial sewer user discharge limits.
Grease Management
Fats, oils, and greases can cause clogs in private plumbing lines and have a negative impact on the public wastewater collection and treatment system.
Waste Haulers
Metro Water Services accepts hauled waste that meet regulations and specifications.
Dental Amalgam Program
EPA requires every dental office in the U.S. that performs procedures with dental amalgam to install Amalgam Separator Technology - we manage the Dental Amalgam Program in Nashville/Davidson County.
Wastewater Hearing Authority
The Metro Water Services Wastewater Hearing Authority is responsible for enforcing violations of our industrial pretreatment program. They meet quarterly, or as needed, and all hearings are public.
Grease Interceptor and Grease Trap Certification
Register here for the online certification course
Who should attend?
Those individuals that will be completing grease interceptor and grease trap certification forms, including grease waste haulers, plumbers, and engineers. For grease interceptor and grease trap certifications to be acceptable to Metro Water Services, the individual completing the certification form must attend this class.
What is the cost to attend?
The full course cost is $12.00.
*This cost is waived for those operating in the Nashville area.
What will be included in the certification class?
A review of grease interceptor and grease trap components, maintenance procedures and cleaning methods, followed by a short test. A Grease Interceptor and Grease Trap Certificate of Completion will be issued to individuals completing the class and passing the short test.