Mwra Water System's tap water quality report is the compilation of data collected from federal, state, and local government agencies, most prominently the EPA. We strive to populate the report with the latest data concerning water contaminants, lead and copper levels, and water quality violations. We only collect drinking water data from public water systems.

PWS Service Information
PWS ID: MA6000000
Type: Community water system
EPA Region: 01
Primary Service Area: Wholesaler of Water
Primary Source: Surface water
Population Served: 2,550,000
Contact Information
BOSTON, MA 02129
[email protected]

This public water system services 1 municipality in 1 county.

We could not find test result data for Mwra.
However, this area is serviced by 22 or more other public water systems. Check your water bill to see which specific system applies. Here is a list of related systems:

See 12 more related public water systems »

Summary Results

A summary view of tests in which a water contaminant found to exceed the Maximum Contaminant Level (MCL) set by the EPA.

We couldn't find any records of contaminants exceeding the regulated limits in your water.

Other Water Contaminants Tested

The following contaminants were tested and found to be within national EPA guidelines.

We couldn't find any records of contaminants in your water.

Lead and Copper Data

Lead and copper are recorded separately from other contaminants because of the Lead and Copper Rule. As with all other results, these are the findings at the water supply level. Lead and copper can be — and often are — deposited in drinking water in between the water facility and your tap.

Sample ID Contaminant Sampling Start Date Sampling End Date Result
10114 lead 2016-01-01 2016-12-31 0.0069mg/L
9406 lead 2015-01-01 2015-12-31 0.0062mg/L
9407 lead 2014-01-01 2014-12-31 0.00538mg/L
8522 lead 2013-01-01 2013-12-31 0.00626mg/L
8521 lead 2012-01-01 2012-12-31 0.00771mg/L
7673 lead 2011-07-01 2011-12-31 0.00699mg/L
7672 lead 2011-01-01 2011-06-30 0.00446mg/L
7671 lead 2010-07-01 2010-12-31 0.00703mg/L
7670 lead 2010-01-01 2010-06-30 0.00705mg/L
7669 lead 2009-07-01 2009-12-31 0.0106mg/L
5845 lead 2009-01-01 2009-06-30 0.007mg/L
5781 lead 2008-07-01 2008-12-31 0.0083mg/L
5641 lead 2008-01-01 2008-06-30 0.0072mg/L


Known violations of the Safe Drinking Water Act as recorded by the EPA.

Compliance Dates Rule Violation Type Contaminant Name Status
2001-01-01 - 2001-03-31 Synthetic Organic Chemicals Monitoring, Regular Atrazine Known
2001-01-01 - 2001-03-31 Synthetic Organic Chemicals Monitoring, Regular Simazine Known
- 2000-05-05 Surface Water Treatment Rule Failure to Filter (SWTR) Surface Water Treatment Rule Known

Local Water Testing

Find a lab in your area so you can get your tap or well water tested. This list contains both governmental and private labs, all of which are EPA-certified for drinking water testing.

Lab Location Zip Code

Water Bill Information

Convenient information about your water service.

Pay Your Water Bill

If you have an active account with MWRA you can login and pay your bill on their website by clicking here. You can then pay your bill using a credit card, debit card, or direct deposit via your bank account. If you are paying for the first time you will need to use this link to create your online account.

Pay Without An Account

If you'd like to pay your water bill without an account you can make a one-time payment using this link. You can proceed to pay your water bill using a credit card or debit card.

Starting And Ending Service

If you'd like to open an account and start service with this water supplier you can do so by using this link. You can close your water account by using this link.

Consumer Confidence Report

Your water supply has a Consumer Confidence Report (CCR) availabe. This is an in-depth water quality dataset that all large water utilities have to provide to their customers. You can find it by clicking here.

What My Water Data Means

Water data isn't always easy to interpret, but by following the links on this page you should be able to have most of your questions answered. By clicking the name of a water contaminant or secondary substance you can learn about that specific substance. Ultimately this page should give you some insight towards learning if your water is safe, what water filter you should buy (if any), and how well your local water compares against other sources.


The origin of's water data is explained on our Data Sources page.

Why Is My Water Data Not More Recent?

The recency of the data for your ZIP code depends on the last your water source was tested, by a federal, state, or local agency. More information about the timing can be determined by learning about the dataset in question and seeing how often the EPA (other another governing body) mandated testing.