- 310 CMR 27.00: Underground Injection Control
Regulates the underground injection of fluids that have the potential to contaminate groundwater.
Applications & Forms
Underground Injection Control Guidance
- UIC Class V Well Category and Well Type Descriptions
Descriptions of the various types of UIC Class V wells that require a MassDEP Registration Number.
- Registration of Discharges to the Ground From Pump Houses and Other Public Water System Facilities Including Discharges from In-line Analyzers
Registration of Discharges to the Ground From Pump Houses and Other Public Water System Facilities Including Discharges from In-line Analyzers. This Fact Sheet is intended to help determine when a discharge from a public water system facility is exempt from a Groundwater Discharge Permit and instead requires registration with the Underground Injection Control Program. Revised September 2014.
- Guidelines for Ground Source Heat Pump Wells
This Guidance document is effective immediately. The December 2013 revisions include, but are not limited to, a new section regarding descaling treatment requirements, revisions to the grouting requirements and Table 1 and Table 3 water quality testing requirements, and substantial changes to the section regarding dual use geothermal and potable water supply wells. Revised December 2013.
- Standard Design Guidelines for Shallow UIC Class V Injection Wells
This document provides guidelines that MassDEP deems likely to achieve compliance with UIC Regulations, 310 CMR 27.00. These guidelines include minimum setback distances, minimum depths relative to seasonal high groundwater (water table) elevation, and applicable laboratory analytical testing. This guidance document is effective immediately. February 2015.
- Massachusetts Stormwater Handbook
Revised and updated in February 2008 in accordance with revisions to the Wetlands regulations, 310 CMR 10.00, and the Water Quality Regulations, 314 CMR 9.00, relating to stormwater.
- Underground Injection Control Regulations & Public Water Systems
This document provides a general description of the UIC Regulations including descriptions of UIC wells and the UIC Registration requirements. Although this document was developed specifically for public water systems, most of the content is relevant to others inquiring about UIC Regulations in Massachusetts. September 2014.
BRP/DWM/DW/G04-3: Closure Guidance for UIC Wells
- Massachusetts Closure Guidance for Underground Injection Control (UIC) Wells (including shallow injection wells)
Outlining the components of underground injection well closure and advising the responsible party of potential responsibilities under the Massachusetts
Contingency Plan, MGL c.21E and 310 CMR 40.0000, the Massachusetts UIC Program (310 CMR 27.00) and the Massachusetts Hazardous Waste Regulations
(310 CMR 30.000).
- UIC Closure Guidance, Appendix II - Jar Headspace Analytical Screening Procedure
Recommended procedure for conducting analytical screening of contaminated soil or groundwater utilizing a portable Photoionization Detector (PID) or Flame Ionization Detector (FID). July 2008.
- Underground Injection Control Forms
Forms and documentation for Underground Injection Control permits.
- Q&A Summary for the Non-Technical Reader: Shallow Injection Well Closure
Frequently asked questions about the UIC Program.
- Massachusetts Closure Guidance for Shallow Injection Control (UIC) Wells (Guidance # BRP/DWM/DW/G04-3), Appendix VII: Response Actions under the MCP
The MCP process provides for timely cleanup actions for relatively minor releases of oil and/or hazardous material. For minor releases, this document briefly discusses such cleanup actions with respect to the closure of a shallow injection well.
- Contacts & Locations
UIC Information from US Environmental Protection Agency
- UIC Class V Wells - Basic Information
The Information provided explains how Class V wells work. It will help you understand how to manage your Class V well(s) to prevent contamination of underground sources of drinking water (USDWs).
- Minimum Requirements for Class V Wells
This page has information on the basic (minimum) requirements for owners or operators of Class V wells. EPA has established minimum requirements to prevent injection wells from contaminating underground sources of drinking water.
- Motor Vehicle Waste Disposal Wells
This page will help you determine whether you have a motor vehicle waste disposal well, understand why these wells are regulated, learn how to comply with requirements for these wells, and find other options for managing motor vehicle wastewater.
- Small Entity Compliance Guide
Guidance documents from EPA to help owners and operators as well as regulatory agencies comply with the requirements for Class V wells.
- Large-Capacity Cesspools
This page will help you determine if you have a large-capacity cesspool, understand why these cesspools are banned, and learn how to properly close the cesspool.
- When are Storm Water Discharges Regulated as Class V Wells?
This Fact Sheet includes information on storm water management strategies that include subsurface drainage structures and information on infiltration strategies that are exempt from the UIC regulations to submit inventory information.
- Managing Stormwater Runoff to Prevent Contamination of Drinking Water
Managing Stormwater Runoff to Prevent Contamination of Drinking Water. This Fact Sheet is intended to serve as a resource for professionals and citizens involved in planning and decision-making in the areas of stormwater management and source water protection. Those who may find this bulletin useful include: state and regional source water, stormwater, nonpoint source control, underground injection control (UIC), and other managers; members or representatives of watershed groups; local officials and permitting authorities; developers; and federal and state highway agencies.
- Green Infrastructure Policy
US EPA memo on use of green infrastructure approaches (including infiltration practices that are classified as 'green') for managing stormwater, and overview of UIC program requirements for stormwater infiltration practices that are classified as Class V wells.
- Shallow Hazardous and Radioactive Injection Wells (Class IV)
This page describes Class IV wells and how their use protects drinking water resources, and presents the UIC Program requirements that protect underground sources of drinking water (USDWs).