Public Water System: Indiana American Water - Northwest'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: IN5245015
Type: Community water system
EPA Region: 05
Primary Service Area: Residential Area
Primary Source: Surface water
Population Served: 166,783
Contact Information
555 East County Line Road, Suite 201

This public water system services 17 zip codes in 2 municipalities in 1 county.

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
IN48349 lead 2013-01-01 2015-12-31 0.01mg/L
IN41857 lead 2012-01-01 2012-12-31 0.011mg/L
IN39619 lead 2011-01-01 2011-12-31 0.009mg/L
IN34422 lead 2008-01-01 2010-12-31 0.009mg/L
IN38361 lead 2010-01-01 2010-12-31 0.011mg/L
IN37370 lead 2009-07-01 2009-12-31 0.013mg/L
IN35302 lead 2009-01-01 2009-06-30 0.008mg/L


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

Compliance Dates Rule Violation Type Contaminant Name Status
2013-09-01 - 2013-09-30 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2008-07-01 - 2008-12-31 Lead and Copper Rule WQP Entry Point/Tap Treatment Technique Non-Compliance Lead and Copper Rule Returned to Compliance
1980-10-01 - 1981-09-30 Inorganic Chemicals Monitoring, Regular Chromium Known
1980-10-01 - 1981-09-30 Arsenic Monitoring, Regular Arsenic Known
1980-10-01 - 1981-09-30 Inorganic Chemicals Monitoring, Regular Cadmium Known
1980-10-01 - 1981-09-30 Inorganic Chemicals Monitoring, Regular Barium Known
1980-10-01 - 1981-09-30 Inorganic Chemicals Monitoring, Regular Selenium Known
1980-10-01 - 1981-09-30 Nitrates Monitoring, Regular Nitrate Known
1980-10-01 - 1981-09-30 Inorganic Chemicals Monitoring, Regular Mercury Known
1980-10-01 - 1981-09-30 Inorganic Chemicals Monitoring, Regular Fluoride Known
1980-06-30 - 1980-09-29 Radionuclides Monitoring, Regular Gross Alpha, Excl. Radon and U Known

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.