236 CMR 2.00: Drinking water operator certification

PDF 15 KB

236 CMR 3.00: Classification of drinking water systems and operators

PDF 8 KB

236 CMR 4.00: Public water supply operator certification

PDF 29 KB

236 CMR 5.00: Disciplinary actions against drinking water supply operators

PDF 7 KB

310 CMR 21.00: Federal Safe Drinking Water Act Assessment

PDF 47 KB

310 CMR 22.00: The Massachusetts Drinking Water Regulations - May 2, 2008

MS Word 2.8 MB | PDF 1.6 MB

MassDEP has proposed revisions to this regulation.
Web page

2007 Training Update to Drinking Water Guidelines, Policies & Regulations; October 2007

Brainshark Web Site

310 CMR 22.22: Cross Connection Regulations

MS Word 150 KB | PDF 76 KB

310 CMR 27.00: Underground Injection Control

PDF 61 KB

More information about Underground Injection Control
Web page

310 CMR 28: Water Supply Contamination Correction Program

PDF 28 KB

313 CMR 3.00: Registration of Well Drillers and Filing of Well Completion Reports

Effective October 1, 2009, the Well Drillers Program is being transferred from the Department of Conservation & Recreation to MassDEP. 313 CMR 3.00 is being revised with promulgation expected in 2010. Pending finalization or certain anticipated revisions which will further clarify the definition of the term "Engage in the Business," companies may engage in the business of well drilling in Massachusetts if they either: (1) satisfy the current definition of "Engage in the Business" and comply with all other requirements of 313 CMR 3.00 or (2) Otherwise comply with the requirements of 313 CMR 3.00 and employ a Massachusetts registered well driller subject to certain requirements.
Web page

2009 Standards & Guidelines for Contaminants in Massachusetts Drinking Water

Cover memo, introduction, and tables of guidance values
MS Word 248 KB | PDF 72 KB

Tables of guidance values linked to individual contaminant reports
Web page

Ground Water Rule

Effective December 1, 2009, all Massachusetts public water systems using ground water must comply with the new federal Ground Water Rule, which is intended to increase protection against potential viral contamination from ground water sources.

New Ground Water Rule Q&A
Web page

US EPA's Ground Water Rule page
US EPA Web site

Immediate Action Levels for Water Treatment Plant Chemicals

Web page

Model Floor Drain Regulation

Web page

Uranium Activity to Mass Conversion Factor Guideline in drinking water compliance monitoring and risk assessment

Web page

Wellhead Protection Regulations, annotated - April 2001

MS Word 73 KB | PDF 42 KB

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314 CMR 5.00: Groundwater Discharge Permits - revised March 2009

The revisions to 314 CMR 5.00 promulgated in March 2009 streamline the existing permitting process and reduce the time it takes an applicant to obtain a groundwater discharge permit.
PDF 235 KB

Model Agreements
Templates for Trust Agreement for Capital Reserve Account and Escrow Agreement for Repair and/or Replacement Account, as described in 314 CMR 5.15(2)(b) and 314 CMR 5.10(8)(k)1.a, respectively.
Trust Agreement for Capital Reserve Account
Web page
Escrow Agreement for Repair and/or Replacement Account
Web page

314 CMR 6.00: Groundwater Quality Standards

This regulation has been rescinded. Revisions to 314 CMR 5.00 promulgated in March 2009 eliminated the need for this regulation.

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Fact Sheet: Revised Sewer Regulations - July 2009

Summarizes January 2007 amendments to 257 CMR 2.00, 310 CMR 70.00, 314 CMR 7.00 & 314 CMR 12.00
MS Word 144 KB | PDF 99 KB

310 CMR 70.00: Environmental Results Program Certification - revised January 2007

Revisions promulgated in January 2007 streamlined state permit and approval requirements for sewer connections, sewer extensions, and industrial wastewater management.
Web page

310 CMR 71.00: Industrial Wastewater, Photo Processors & Printers

PDF 55 KB

310 CMR 72.00: Industrial Wastewater, Dry Cleaners

PDF 32 KB

314 CMR 7.00: Sewer System Extension & Connection Permit Program - revised January 2007

Revisions promulgated in January 2007 streamlined state permit and approval requirements for sewer connections, sewer extensions, and industrial wastewater management.
PDF 116 KB

314 CMR 18.00: Industrial Wastewater Holding Tanks

PDF 77 KB

Wastewater & Sewer Regulations

Web page

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310 CMR 42.00: Certification and Operation of Environmental Analysis Laboratories - October 2007

Final Regulation
PDF 135 KB

Response to Comments for 310 CMR 42.00
MS Word 55 KB | PDF 72 KB

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310 CMR 44.00: The Clean Water State Revolving Fund regulations - revised January 2009

Revisions promulgated in January 2009 modify requirements related to flow limits in sewer construction to promote sustainable development.
MS Word 117 KB | PDF 85 KB

310 CMR 45.00: The Drinking Water State Revolving Fund regulations

PDF 86 KB

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314 CMR 21.00: Stormwater Management

MassDEP has proposed new regulations implementing a stormwater management program in Massachusetts in accordance with state and federal clean water laws. The proposed 314 CMR 21.00 would confer on MassDEP the authority to issue individual and general surface water discharge permits. November 2008.

Proposed regulation
Web page

See Also: Overview of the Proposed Stormwater Management Program

Includes MassDEP's timetable and information on a second round of public comment
Web page

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310 CMR 11.00: Administration of the state environmental code by boards of health

PDF 39 KB

310 CMR 15.00: The state environmental code regulating Septic Systems

Beginning Jan. 1, 2007, System Inspectors & Soil Evaluators will be required to renew approvals every 3 years.
PDF 962 KB

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Fact Sheet: Revised Sewer Regulations

Summarizes January 2007 amendments to 257 CMR 2.00, 310 CMR 70.00, 314 CMR 7.00 & 314 CMR 12.00
Web page

257 CMR 2.00: Certification of Wastewater Treatment Plant Operators - revised June 2007

Revisions promulgated in June 2007 clarified the types of treatment systems exempt from certified operator requirements.
PDF 100 KB

310 CMR 32:00: Land Application of Sludge and Septage

PDF 168 KB

310 CMR 70.00: Environmental Results Program (ERP) Certification - January 2007

Revisions promulgated in January 2007 streamlined state permit and approval requirements for sewer connections, sewer extensions, and industrial wastewater management.
Web page

314 CMR 3.00: Surface Water Discharge Permits

PDF 218 KB

314 CMR 7.00: Sewer System Extension And Connection Permit Program - revised January 2007

Revisions promulgated in January 2007 streamlined state permit and approval requirements for sewer connections, sewer extensions, and industrial wastewater management.
PDF 119 KB

314 CMR 8.00: Supplemental Requirements For Hazardous Waste Management Facilities

PDF 69 KB

314 CMR 12.00: Operation and Maintenance Standards for Wastewater Treatment Plants - revised March 2009

Revisions promulgated in March 2009 clarified the responsibility of contract operators for operating and maintaining wastewater treatment facilities in accordance with approved operation & maintenance plans and staffing plans, and for performing the monitoring, reporting, and record-keeping required by the facility's discharge permit.
PDF 69 KB

314 CMR 18.00: Industrial Wastewater Holding Tank and Container Construction, Operations, and Record Keeping Requirements

Web page

Fact Sheet: Regulation of Industrial Wastewater Holding Tanks and Containers

Web page

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310 CMR 36.00: The Water Management Act Regulations

NOTE: The revised regulations promulgated in May 2005 contained clerical errors. The clerical errors were corrected in July 2005, but the promulgation date remains May 2005. This version reflects the corrections.
MS Word 824 KB | PDF 135 KB

MGL Ch21: The Massachusetts Water Management Act

Mass. General Laws Web site

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314 CMR 2.00: Permit Procedures

Revisions promulgated in March 2009 streamline the process for issuing surface water discharge permits.
PDF 60 KB

314 CMR 4.00: Surface Water Quality Standards - January 2007

Standards PDF 126 KB
High resolution tables and figures PDF 7 MB

314 CMR 9.00: 401 Water Quality Certification for Discharge of Dredged or Fill Material, Dredging, and Dredged Material Disposal in Waters Within the Commonwealth - June 2009

PDF 191 KB

Revisions promulgated in June 2009 address necessary actions to eradicate infestation by Asian Longhorn Beetles. The revised language is found in 314 CMR 9.12. Related language has also been incorporated into 310 CMR 10.00, the Wetlands Protection Act Regulations.

Revisions promulgated January 2, 2008, encourage stormwater recharge, the increased use of low impact development techniques, improved operation and maintenance of stormwater best management practices, and the removal of illicit connections from stormwater management systems. MassDEP has accordingly revised the Stormwater Management Standards, which have been incorporated into 314 CMR 9.00.

Summary of Stormwater Revisions
MS Word 45 KB | PDF 16 KB

Stormwater Revisions to 314 CMR 9.00
MS Word 43 KB | PDF 34 KB

310 CMR 30.00 Hazardous Waste Regulations relating to Dredged Material

Current regulations: Web page

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314 CMR 20.00: Reclaimed Water Permit Program and Standards - Promulgated March 2009

These regulations authorize MassDEP to establish a permitting program for water reuse, including requirements for the use, sale, and distribution of reclaimed water.
PDF 195 KB

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310 CMR 9.00: The Massachusetts Waterways Regulations (Chapter 91) - June 2009

Amendments promulgated on June 26, 2009, to subsections of 310 CMR 9.11 clarify Waterways Application Permit Review schedules.
PDF 394 KB

EOEEA Regulations on Public Determination Benefit

This regulation provides the process by which the Secretary of Energy & Environmental Affairs issues a public benefit determination for projects and uses in landlocked tidelands.
PDF 233 KB (Opens in new window)

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301 CMR 10.00: Densely developed areas under the Rivers Protection Act

July 2008 - The application form for Designation of a Densely Developed Area is being updated. To request a copy of the current form, please contact the Wetlands Program (DEP.Wetlands@state.ma.us or 617-292-5854).
MS Word 83 KB | PDF 124 KB

310 CMR 1.00: Adjudicatory Proceeding Rules - October 2008

Web page

310 CMR 10.00: The Wetlands Protection Act Regulations - June 2009

The full version of the Wetlands Protection Act in two sections. Revisions promulgated in June 2009 make provision for necessary actions to eradicate Asian Longhorn Beetle infestations within the parameters of the Wetlands Protection Act. Related language has also been incorporated into 314 CMR 9.00, 401 Water Quality Certification for Discharge of Dredged or Fill Material, Dredging, and Dredged Material Disposal in Waters Within the Commonwealth.

Part A (regulation): PDF 590 KB
Part B (appendices): PDF 369 KB

Summary of Stormwater Management Standards Revisions

To encourage stormwater recharge, the increased use of low impact development techniques, improved operation and maintenance of stormwater best management practices, and the removal of illicit connections from stormwater management systems, MassDEP has revised the Stormwater Management Standards. The revised Standards have been incorporated into 310 CMR 10.00 and new sections added. MassDEP has also made some technical changes to 310 CMR 10.00. Promulgated January 2, 2008.

Summary of Revisions
MS Word 45 KB | PDF 16 KB

310 CMR 12: Coastal wetlands orders

PDF 81 KB

310 CMR 13: Inland wetlands orders

PDF 81 KB

310 CMR 23: Abandoned cranberry bogs

PDF 57 KB

The Massachusetts Rivers Protection Act - 1996 Amendment

Web page

Wetlands Fees & Payments Information

Web page

The Wetlands Protection Act, MGL Chapter 131, Section 40 - February 1997

PDF 47 KB

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