Water Resources Regulations and Standards

These regulations govern protection of the state's water resources.

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In this list

Drinking Water

236 CMR 2.00: General Provisions - Operators of Drinking Water Supply Facilities

236 CMR 3.00: Classification of Public Water Systems and Public Water Systems Operators

236 CMR 4.00: Certification of Operators of Public Water Supply Systems

236 CMR 5.00: Disciplinary Action

310 CMR 21.00: Federal Safe Drinking Water Assessment

310 CMR 22.00: The Massachusetts Drinking Water Regulations

310 CMR 27.00: Underground Injection Control

310 CMR 46.00: Certification of Well Drillers and Filing of Well Completion Reports

Standards & Guidelines for Contaminants in Massachusetts Drinking Water

Groundwater

314 CMR 5.00: Ground Water Discharge Permit Program

Industrial Wastewater

Fact Sheet: Revised Sewer Regulations and Operation & Maintenance Regulations (PDF 29.12 KB)

310 CMR 71.00: Industrial Wastewater Regulations for Photo Processors and Printers

310 CMR 72.00: Industrial Wastewater Standard for Dry Cleaners

314 CMR 7.00: Sewer System Extension and Connection Permit Program

314 CMR 18.00: Industrial Wastewater Holding Tank and Container Construction, Operation, and Record-keeping Requirements

Laboratory Certification Regulations

310 CMR 42.00: Certification and Operation of Environmental Analysis Laboratories

State Revolving Funds

310 CMR 44.00: The Clean Water State Revolving Fund

310 CMR 45.00: The Drinking Water State Revolving Fund

Title 5/Septic Systems

310 CMR 11.00: General Application and Administration of Environmental Code

310 CMR 15.00: The State Environmental Code Regulating Septic Systems ("Title 5")

Title 5 Changes Effective January 3, 2014 (PDF 18.76 KB)

Wastewater & Sewers

Fact Sheet: Revised Sewer Regulations and Operation & Maintenance Regulations (PDF 29.12 KB)

310 CMR 32.00: Land Application of Sludge and Septage

314 CMR 3.00: Surface Water Discharge Permit Program

314 CMR 7.00: Sewer System Extension and Connection Permit Program

314 CMR 8.00: Supplemental Requirements for Hazardous Waste Management Facilities

314 CMR 12.00: Operation, Maintenance and Pretreatment Standards for Wastewater Treatment Works and Indirect Dischargers

314 CMR 18.00: Industrial Wastewater Holding Tank and Container Construction, Operation, and Record-keeping Requirements

257 CMR 2.00: Certification of Operators of Wastewater Treatment Facilities

Wastewater: Reclaimed Water

314 CMR 20.00: Reclaimed Water Permit Program and Standards

Water Management

310 CMR 36.00: Massachusetts Water Resources Management Program

Water Quality

314 CMR 2.00: Permit Procedures for Wastewater Discharge, Sewer Permits, and Reclaimed Water

314 CMR 4.00: The Massachusetts Surface Water Quality Standards

314 CMR 9.00: 401 Water Quality Certification

Summary of 2008 Stormwater Revisions (PDF 16.63 KB)

2008 Stormwater Revisions to 314 CMR 9.00 (PDF 31.21 KB)

310 CMR 30.000: Massachusetts Hazardous Waste Regulations

Waterways

310 CMR 9.00: The Massachusetts Waterways Regulation

Wetlands

301 CMR 10.00: Densely Developed Areas

310 CMR 10.00: Wetlands Protection Act Regulations

310 CMR 12.00: Adopting Coastal Wetlands Orders

310 CMR 13.00: Adopting Inland Wetland Orders

310 CMR 23.00: Renovation of Abandoned Cranberry Bogs

310 CMR 1.00: Adjudicatory Proceedings

310 CMR 4.00: Timely Action Schedule and Fee Provisions

314 CMR 9.00: 401 Water Quality Certification

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