- Pressure Treated Wood: Questions & Answers
Learn how to manage pressure treated wood used for decking, swing sets, picnic tables, landscaping and other applications at homes and public playgrounds.
- FAQs: Arsenic in Private Well Water
Arsenic occurs naturally in soil and bedrock in parts of Massachusetts. If you are in an area of concern, MassDEP recommends that you sample for arsenic. These questions and answers explain the health risks of arsenic and what you should do if you water has elevated arsenic levels.
- Arsenic Information from the Natural Resources Defense Council
The Natural Resources Defense Council's online resources on arsenic in drinking water.
- Arsenic Information from the US EPA
US EPA's resource page on arsenic.
Asbestos Cement Pipe Guidance Document
Explains how to safely remove and dispose of asbestos cement pipes in compliance with MassDEP asbestos regulations.
Water Supply Asbestos Monitoring Requirements
All community and non-community non-transient public water systems are required to monitor for asbestos in distribution lines every nine years, during the first unless a waiver is granted.
Asbestos in Distribution System Exemption Form
May be submitted by water suppliers who are able to certify that their distribution systems do not contain any asbestos-cement pipe and/or asbestos-cement vinyl lined pipe.
- Asbestos & Construction/Demolition Notifications
Asbestos information, including forms and instructions for notifying MassDEP and the Division of Occupational Safety (DOS) about asbestos abatement, construction and demolition projects.
Rapid Determination of E. coli in Drinking Water Under the Total Coliform Rule in Massachusetts file size 1MB
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Methods for rapid determination of total coliform and E. coli in finished drinking water.
Certification for the Analysis of Enterococci (Presence/Absence) in Ground Water Source Samples
The federal Ground Water Rule requires public water systems that use ground water to collect and analyze ground water source samples for the presence of fecal indicator organisms each time the system is notified of a total coliform-positive sample collected under Total Coliform Rule bacteria monitoring.
Checklist: Items to be Discovered & Addressed upon Discovery of Coliform Bacteria
Optional self-evaluation tool for use by public water systems in the event of a bacterial exceedance incident. This checklist is not submitted to MassDEP.
- US EPA: Chloramines FAQ
General information and frequently asked questions, from the EPA, about chloramines (a drinking-water disinfectant).
- American Water Works Association Chloramines Information
Use of chloramines, precautions, history, and other resources from American Water Works Associations (AWWA).
Note: Requires AWWA membership
- American Water Works Association History of Chloramine Use
An outline of the use of chlorine-based disinfection in drinking water in the US.
Note: Requires AWWA membership
- San Francisco Public Utilities Commission Chloramines Information
Historical and present-day chloramination in the Bay area distribution system.
Cryptosporidium & Giardia
- FAQs: Cryptosporidium
What is Cryptosporidium, who is at risk, how to prevent infection, how to treat for it, and more.
- CDC: Cryptosporidiosis
Fact sheet on cryptosporidiosis, the intestinal disorder associated with Cryptosporidium contamination in drinking water.
- CDC: Cryptosporidium
Fact sheet on Cryptosporidium, a waterborne pathogen that causes a form of diarrhea.
- CDC: Giardia
Fact sheet on Giardia, an intestinal parasite often responsible for outbreaks of waterborne illness.
- US EPA: Drinking Water Consumer Information
Resources on a variety of drinking water topics, including water quality, public health, dealing with emergencies, and more.
- US EPA Laboratory Certification for Analysis of Cryptosporidium Under the Safe Drinking Water Act
The US EPA is responsible for certifying water-testing labs to analyze samples for cryptosporidium.
- Fluoride Monitoring & Reporting
Reporting forms provided by the Massachusetts Department of Public Health.
- Fact Sheet: Increasing Color in Some Fluorosilicic Acid Products
Information about the presence of fluoridation products in drinking water.
Massachusetts Fluoridation Update 2006
Article by Myron Allukian Jr, reprinted with permission from the Journal of the Massachusetts Dental Society.
- Recommendations for Water Fluoridation From CDC
Recommendations from the US Centers for Disease Control
- Community Water Fluoridation
The Massachusetts Department of Public Health's resource page on drinking-water fluoridation.
- CDC: Community Water Fluoridation
Resources on water fluoridation in the United States.
Lead & Copper in Schools
Notice to School Superintendents - Lead in School Drinking Water
Letter to school administrators on steps to take to address concerns about lead in the school's drinking-water supply.
Lead Maintenance Checklist
Use this checklist to help determine if lead is likely to be a problem in your facility and determine appropriate remediation actions if needed. September 2010.
Fact Sheet: Follow-up Steps for Schools or Child Care Facilities Based on Lead and Copper Sampling Results
Steps to take when sample results are above the MassDEP action level of 0.015 mgl/L. September 2010.
Lead in School Drinking Water Program Strategy
Outline of MassDEP's Lead in School Drinking Water Program strategy. July 2005.
Lead in School Drinking Water Program Presentation Slides
Presentation on lead in drinking water supplying schools.
Lead in School Drinking Water Program Presentation Slides Notes file size 1MB
Notes accompanying the Lead in School Drinking Water presentation.
Sample Lead in Drinking Water Letter to Students, Parents, & Staff
Sample letter from a school or child care facility with laboratory results that exceeded the Massachusetts Lead "action level" for "lead in drinking water at schools and child care facilities" - to students, families, and staff.
- How to Collect a Drinking Water Sample for Lead & Copper Testing
Protocol for collecting samples from faucets or water fountains. September 2008.
Ice Making Machines Sample Collection Procedures
How to collect testing samples from ice-makers. September 2008.
Cafeteria Kitchen Kettle Sample Collection Procedures
Collecting testing samples from kitchen kettles. September 2008.
Fact Sheet: Copper and Your Health
Discusses the health effects of copper and ways to reduce exposure to copper in drinking water.
Manual Flushing Log - Lead and Copper Remediation
Use this log to record manual flushings of drinking water system. April 2004.
Proper Care of Bottled Water and Dispensers for Schools
A routine sanitizing and maintenance program for water coolers. April 2004.
Recommended Remediation Actions to Reduce or Eliminate Lead Exposure from Drinking Water in Schools
Recommended steps to take if a school's water sample exceeds the action level for lead in drinking water. January 2004.
Learn more about lead, its environmental and health effects, and how to protect people and animals from its risks.
- US EPA: Guidance & Tools
EPA's tools to assist these facilities in complying with the regulations concerning lead in drinking water.
- US EPA Guidance: Lead in Drinking Water In Schools and Day Care Centers
EPA's resources on identifying and controlling lead in drinking water in these facilities.
- Is There Lead In My Tap Water?
Health risks of lead in tap water and what consumers can do about it.
- Centers for Disease Control (CDC) Lead Information
Information about lead from the CDC. Topics include Childhood Lead Poisoning, Lead in the Workplace, and Lead in the Environment.
- CDC Fact Sheet: Lead in Tap Water
Questions and answers from the CDC on sources of lead in tap water and what consumers should do to address problems with excess lead levels in water.
Lead & Copper Rule
- Lead and Copper Rule: Lead Service Line Replacement Requirements
Requirements and parameters of a Lead Service Line Replacement Program. Revised August 2011.
Lead and Copper Education Template Language
Water suppliers are required to provide their customers with lead and copper information using this language, as set forth in the US EPA's Lead and Copper Rule and Massachusetts Drinking Water Regulations (310 CMR 22.06B). February 2014.
Changes to Lead & Copper Rule Public Water Supply Regulations
Rule changes promulgated by US EPA in 2007 were incorporated into the Massachusetts Drinking Water Regulations on December 25, 2009. The revisions include corrosion control, consumer confidence reporting requirements, lead and copper action levels, and other points. See the "revised requirements" below. January 2010.
- Lead and Copper Rule (Revised Requirements)
The September 2007 revisions to the LCR are intended to enhance implementation in the areas of monitoring, treatment, customer awareness, and lead service line replacement; and to improve compliance with public education requirements.
Lead Reduction Act
Lead Reduction Act Update
Steps for public water systems to take to comply with the requirements of the Lead Reduction Act, which takes effect on January 4, 2014.
Lead Reduction Act Capacity Survey
Survey to determine the capacity of Community Public Water Systems to comply with the Lead Reduction Act. Responses were due to MassDEP by December 31, 2013.
Manganese in Drinking Water: Typical Questions and Answers for Consumers
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This fact sheet is intended to inform you about the nature of manganese in drinking water, typical concentrations, its contribution to overall manganese exposure in humans, especially infants and children, and provide guidance on health protection limits in drinking water. October 2013.
Manganese Monitoring Notice to Public Water Suppliers
As part of a continued effort to provide timely information to protect public health, MassDEP is raising awareness regarding levels of manganese in Massachusetts Public Drinking Water systems.
Manganese Consumer Confidence Reporting Required Health Language (if over 50 ppb)
Guidance for public water systems on reporting detections of manganese greater than 50 ppb. April 2014.
Manganese Monitoring for Public Water Systems
Public Water Systems now have an additional opportunity to contribute to public health protection by determining the levels of manganese in drinking water.
References Relating to Manganese in Drinking Water
Provides a comprehensive list of research that has been published concerning elevated levels of manganese in drinking water. July 2013.
MassDEP Office of Research and Standards Guideline (ORSG) for Manganese
MassDEP Office of Research and Standards Guideline (ORSG) for Manganese. October 2013.
- US EPA Drinking Water Health Advisory for Manganese
Provides information and guidance to communities that have been or have the potential to be exposed to elevated levels of manganese in their drinking water, including relevant information on health and aesthetics concerns as well as concentrations of manganese in drinking water. January 2004.
Best Management Practices for Mercury-Containing Equipment at Public Drinking Water Systems
System operators should be aware of the potential presence of mercury in drinking water treatment and distribution equipment, and take steps to prevent leaching and spills.
- Northeast Waste Management Officials' Association (NEWMOA) Studies on Mercury at Wastewater Treatment Facilities
Fact sheets developed by the Northeast Waste Management Officials Association (NEWMOA) as part of a MassDEP-funded research project.
Mercury Questionnaire for Water Supply Operators
Determining the extent of the use of mercury-containing products at public water systems. January 2007.
Mercury Questionnaire for Water Supply Operators - Instructions
Instructions for completing the mercury questionnaire. January 2007.
Summary of Mercury Questionnaire Results
Compiled results of 2007 survey of public water systems. February 2008.
Learn about mercury, its health and environmental effects, and how to safely handle and dispose of products containing it. Includes environmental monitoring data and fish consumption advisories.
Addressing Perchlorate and Other Emerging Contaminants in Massachusetts
MassDEP efforts to address perchlorate in Massachusetts water supplies
- Perchlorate Information
Ammonium perchlorate (NH4ClO4) is an inorganic chemical widely used as an oxidizer in solid propellants for rockets, missiles, fireworks and explosives.
Sampling results for perchlorate.
Perchloroethylene (PCE) Information
Vinyl-Lined Asbestos-Cement Pipe (VLAC) Monitoring Program SOP for Tetrachloroethylene, a/k/a Perchloroethylene (PCE)
Monitoring requirements for perchloroethylene (PCE) originating from vinyl-lined asbestos-cement pipe. May 2006.
Monitoring Frequency for Tetrachloroethylene in Drinking Water
Guidance for public water systems on monitoring for tetrachloroethylene (PCE) in drinking water. June 2009.
Cover Letter for Vinyl-Lined Asbestos-Cement Pipe Survey, 2006
Cover letter for survey of VLAC pipe still in use in Massachusetts. May 2006.
A Survey of the Amount of Vinyl-Lined Asbestos–Cement Pipe (VLAC Pipe) in Massachusetts Public Water Systems
2006 survey to determine how much VLAC pipe was still in use in Massachusetts public water systems.
1980 Interim Report on Tetrachloroethylene Contamination caused by Vinyl-Lined Asbestos Cement Pipe file size 1MB
Report on investigation of PCE contamination in water-supply distribution systems. September 1980.
1982 Status Report on Tetrachloroethylene Contamination caused by Vinyl-Lined Asbestos Cement Pipe
Status report following 1980 investigation of PCE contamination in public water supplies. June 1982.
1992 Table of Water Supplies with Asbestos Cement Vinyl Lined Pipe
Tabulated data for VLAC pipe as of 1992.
- 2009 Vinyl-Lined Asbestos Cement (VLAC) Pipe Survey
2009 VLAC Pipe Survey and Report
- Fact Sheet for Radionuclides, including Uranium in Drinking Water
Questions and answers about the presence of naturally-occurring radioactive minerals in drinking water.
Sampling results for radionuclides.
Radon in Water & Air - Health Risks & Control Measures
Fact Sheet: Radon in Water & Air - Health Risks & Control Measures
- Public Health Fact Sheet on Radon
The Massachusetts Department of Public Health's Q&A on radon exposure in homes.
- US EPA: A Citizen's Guide to Radon
EPA resources for citizens on radon in the home.
- US EPA: Radon Overview
US EPA's homepage for radon information.
- US EPA - Secondary Drinking Water Regulations: Guidance for Nuisance Chemicals
Secondary standards for aesthetic considerations are not enforced, but are presented as guidance for public water systems.
- 310 CMR 22.07D: Secondary Chemical Standards
Excerpt from the Massachusetts Drinking Water Regulations, 310 CMR 22.00, on secondary contaminants and monitoring requirements. MassDEP recommends that public water systems sample annually for all Secondary Maximum Contaminant Levels.