Metro Water Services

Environmental Compliance

The Environmental Compliance Section is responsible for administering the industrial pretreatment program for MWS 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.

Wastewater treatment plants are designed to treat domestic waste. Because treating industrial waste at a publicly owned wastewater treatment plant would be too costly and the most efficient treatment for industrial waste is at the source, the United States Environmental Protection Agency (EPA), the State of Tennessee, and MWS require that certain industries install industrial waste treatment systems that remove heavy metals or other hard-to-treat pollutants before they enter the sewerage system.

MWS permits approximately 150 industries for industrial wastewater discharge. The Industrial Compliance Section has the responsibility of monitoring these industries’ wastewater discharges through periodic sampling and inspections. The section works with local industries to detect and solve any compliance problems and takes enforcement actions when necessary.

Ensuring the compliance of industries maintains the quality of wastewater entering the sewer system and makes sure that the wastewater treatment plants are able to operate at an optimum level, discharge a final effluent that meets state and federal regulations, and generate biosolids that can be put to beneficial reuse.

A printable copy of our Industrial Discharge Permit Application is available for download in PDF format (FREE Adobe Acrobat Reader required to view PDF files).

You may mail the original Industrial Discharge Permit Application to:

Metro Water Services
1607 County Hospital Road
Nashville, TN 37218
(615) 862-4590
Attn: Industrial Compliance Section

Or you may email a copy to Environmental Compliance.

Grease Interceptor and Grease Trap Certification offered by MWS

DATE: March 25, 2010 (Thursday)
TIME: 9:00 AM - 10:30 AM
LOCATION: Metro Water Services Customer Service Center Second Floor Conference Room
1700 3rd Ave. North, Nashville, TN  37208
PARKING: Metro Water Svcs. Parking lot south of System Svcs. Bldg. (1616 3rd Ave. N.)

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?

No cost to attend.  You must pre-register for the class by March 19, 2010.  Seating is limited to 30 seats.

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. Grease Interceptor and Grease Trap Certification Cards will be issued to individuals completing the class and passing the short test.

How do I pre-register for the March 25, 2010 Grease Interceptor/Grease Trap Certification Class?

Download and complete the Grease Interceptor & Grease Trap Certification Class registration form. DEADLINE: Forms must be received by March 19, 2010.

EMAIL the company name and the names of the individuals that will be attending the certification class to EnvironmentalCompliance@Nashville.gov.  

or...

FAX the completed form to 615-880-2425.

NOTE: Please pre-register soon. Seating is limited and registration may close early if the limit is reached before the deadline.  If you have any questions, or need additional information, contact Metro Water Services, Environmental Compliance Section at (615) 862-4590.

  1. Industrial Pretreatment
    1. Enforcement Response Plan
    2. Flowmeter Installation Requirements
    3. Excessive Strength Compatible Wastewater Rates
    4. Pretreatment Forms and Applications
      1. Permit Application for Industrial Users
      2. Zero Discharge Certification Statement
      3. Spill/Slug Control Form
      4. Corporate Signature Form
      5. Total Toxic Organics (T.T.O.) Declarative Statement
    5. Pretreatment Best Management Practices
      1. Mercury
      2. Silver
      3. Pharmaceutical Disposal
    6. Metro Code of Laws Title 15.60 Industrial Waste Discharges
    7. Storm Water Discharge Directive (Dumpster Pad)
    8. Significant Noncompliance Listing
    9. Semi-Annual Report (SAR) to TN Dept of Environment and Conservation
  2. Grease Management
    1. Grease Control - Best Management Practices (BMPs)
      1. Grease_Poster(English)
      2. Grease_Poster(Spanish)
      3. Grease_Poster(Chinese)
    2. Grease Control Inquiry Letter
    3. Fixtures Discharge to GCE
    4. Grease Management Policy
    5. Grease Management Video
    6. Mobile Food Unit
    7. MWS Approved GCE Inspectors
    8. Grease Interceptor Certification - Form A
    9. Grease TRAP Certification - Form B
    10. Grease Brochure
    11. Trap / Interceptor Cleaning Log form
    12. Vent Hood Cleaning Procedures and Regulations
    13. Enforcement Response Guide (FOG ERG)
    14. Residential Grease Management
      1. Residential Grease Control - Best Management Practices (BMPs)
      2. Disposal of Cooking Fats, Oils, & Grease
      3. Residential Cooking FOG Restriction
      4. Educational Decal for Camera / Vactor trucks
      5. No FOG Dog Animation
  3. Waste Haulers
    1. Application to Discharge Septic Tank Waste or Night Soil
    2. New Fee Structure effective Aug. 1, 2009
    3. Septic Tank and Night Soil Hauling Bond
    4. Food Establishment Greasetrap Hauling Bond
    5. MWS Approved Grease Waste Recyclers

Questions which are not addressed through this web site, please email Sonia Harvat.