MassDEP regulates the discharge, treatment and storage of industrial wastewater to preserve and protect inland and coastal surface waters, groundwater, and sewer systems.
Standard Industrial Classification (SIC) Codes -
MassDEP's Industrial Wastewater regulations apply to businesses and facilities with the following Standard Industrial Classification (SIC) Codes:
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1000-1399 Metal Mining, Coal Mining, Oil & Gas Exploration |
1474-1499 Chemical/Fertilizer Mining, Nonmetallic Minerals |
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2000-3999 Manufacturing |
4231 Maintenance Facilities for Motor Freight Transport |
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4581 Airports, Flying Fields & Airport Terminal Service |
4911-4939 Electric and Gas Production |
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4953 Refuse Systems |
7216 Drycleaning (except rug cleaning) |
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7217 Carpet & Upholstery Cleaning |
7218 Industrial Laundries |
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7384 Photofinishing Laboratories |
7532-7539 Automotive Repair Shops & Paint Shops |
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7549 Automotive Services |
7819 Motion Picture Developing /Printing/Film Processing |
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8062-8069 Hospitals |
8071 Medical Laboratories |
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8072 Dental Laboratories |
8731 Commercial Physical & Biological Research |
Industrial wastewater may not be discharged to conventional septic systems, innovative/alternative (I/A) systems or cesspools except if approved by MassDEP under 310 CMR 15.004(4). On-site discharges of industrial wastewater must be to industrial wastewater holding tanks and containers.
If a discharge of industrial wastewater to an on-site system is being discontinued, the owner must not only comply with MassDEP requirements for holding tank and containers, but also must notify the agency's Underground Injection Control Program of the closure
Regulations
Policies & Guidance
- Environmental Compliance for Laboratories
Covers industrial wastewater, hazardous waste management and other requirements. - Guidance: Documenting Compliance with Mercury Limits When Discharging Industrial Wastewater to Sewers
What facilities must do to demonstrate compliance with the limit of one part per billion (1ppb) of mercury in wastewater.
Permits & Forms
WP 56: Industrial Wastewater Holding Tank Compliance Certification
Owner/operators of holding tanks, mobile tanks and containers used for non-hazardous, non-sanitary wastewater need to file one-time certifications.
WP 91, 92: Permit for Industrial Sewer User
Specific industrial facilities that discharge wastewater to Publicly Owner Treatment Works (POTWs) need to obtain sewer connection permits
Dry Cleaners
Annual certification forms and instructions for dry-cleaning facilities.
Photo Processors
Annual certification forms and instructions for photo-processing facilities.