Public Water System: Southborough Dpw Water Division (mwra)'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: MA2277000
Type: Community water system
EPA Region: 01
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 10,031
Contact Information

This public water system services 1 zip code in 1 municipality in 1 county.

We could not find test result data for Southborough Dpw Water Division (mwra).
However, this area is serviced by 79 or more other public water systems. Check your water bill to see which specific system applies. Here is a list of related systems:

See 69 more related public water systems »

Summary Results

A summary view of the the times a water contaminant was tested and found to exceed the level set by the EPA (the MCL).

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 within national EPA guidelines.

The last mile of pipe makes a big difference, learn more about testing your water.

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. Lead and copper can be — and often are — added to drinking water in between the water facility and a tap.

Sample ID Contaminant Sampling Start Date Sampling End Date Result
312 lead 2017-01-01 2017-12-31 0.00235mg/L
303 lead 2016-01-01 2016-12-31 0.00195mg/L
298 lead 2015-01-01 2015-12-31 0.00252mg/L
293 lead 2014-01-01 2014-12-31 0.002mg/L
287 lead 2013-01-01 2013-12-31 0.003mg/L
282 lead 2012-01-01 2012-12-31 0.00248mg/L
277 lead 2011-07-01 2011-12-31 0.00234mg/L
272 lead 2011-01-01 2011-06-30 0.002mg/L
269 lead 2010-07-01 2010-12-31 0.00256mg/L
267 lead 2010-01-01 2010-06-30 0.00244mg/L
263 lead 2009-07-01 2009-12-31 0.00574mg/L
250 lead 2009-01-01 2009-06-30 0.00361mg/L
246 lead 2008-07-01 2008-12-31 0.005mg/L
244 lead 2008-01-01 2008-06-30 0.00326mg/L


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

Compliance Dates Rule Violation Type Contaminant Name Status
2006-08-01 - 2006-08-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2005-07-01 - 2005-07-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2004-10-01 - 2004-10-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1992-01-01 - 2000-05-05 Surface Water Treatment Rule Failure to Filter (SWTR) Surface Water Treatment Rule Known
1998-07-01 - 1998-07-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance

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.