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Review government records associated with Munster, Indiana.
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Preparing Munster environmental records...
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Munster, IN from EPA SDWIS.
Munster Water Company
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 23,894 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Plum Creek-Hart Ditch
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Lake County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Chicago: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Chicago-Naperville
Ozone · 8-Hour Ozone (2008 Standard)
Classification: Serious
Original designation: Jul 2012
Current design value: 0.079 ppm (2023-2025)
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Chicago-Gary-Lake County Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Maintenance (NAAQS revoked) · Subpart 2/Moderate
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Arcelormittal-Burns Harbor Site 1 — Portage, Indiana
Annual mean: 6.1 Parts per billion
EPA primary exceedance count: 3 (SO2 1-hour 2010)
Observation year: 2025
Com Ed Maintenance Bldg — Chicago, Illinois
Annual mean: 2.5 Parts per billion
EPA primary exceedance count: 1 (SO2 1-hour 2010)
Observation year: 2025
Annual mean: 27.9 Parts per billion
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
No active RCRA hazardous-waste handler records surfaced in the reviewed 5-mile city-center search area.
Reviewed: active/open records as of Q4 2025
Release reports
Reported: Dec 2021
Data from EPA UST Finder
Formerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSNo MSHA mine or extraction site records shown for this report.
Lake County, IN
EPA Radon Zone Map (June 2024 release)
Lake County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
Recent Incidents (last 5 years)
AMOCO OIL CO
Incident date: Sep 27, 2025
Property damage: $850,000
ENBRIDGE ENERGY, LIMITED PARTNERSHIP
Incident date: Oct 17, 2024
Property damage: $681,000
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Lake County, IndianaPop. 499,689
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 10,591 | 9,317 | 7,972 |
| Poor or Fair Health | 17.4% | 16.1% | 14.2% |
| Poor Physical Health Days | 3.8 | 3.5 | 3.3 |
| Poor Mental Health Days | 5.4 | 5.2 | 4.8 |
| Adult Smoking | 18.7% | 18.0% | 15.0% |
| Adult Obesity | 41.1% | 36.7% | 34.0% |
| Air Pollution - Particulate Matter | 10.3 | 8.8 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 12.0% | 10.8% | 9.6% |
| Life Expectancy | 74.7 | 75.6 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Munster.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for Munster Water Company, including 2 marked active.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Munster.
The monitoring station at ArcelorMittal-Burns Harbor Site 1, Portage, Indiana recorded an annual average of 6.1 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Com Ed Maintenance Bldg, Chicago, Illinois recorded an annual average of 2.5 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Com Ed Maintenance Bldg, Chicago, Illinois recorded an annual average of 27.9 Parts per billion for nitrogen dioxide in 2025.
The radon data for Munster covers Lake County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Munster reports a life expectancy of 74.7 years in Lake County, Indiana.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Munster reports 10,591 years of life lost to deaths before age 75 per 100,000 residents in Lake County, Indiana. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Munster lists fine-particle pollution (PM2.5) at 10.3 micrograms per cubic meter in Lake County, Indiana.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Amoco Oil Co near Munster on Sep 27, 2025. The reported release was a liquid petroleum product.
Federal pipeline records list an incident involving Enbridge Energy, Limited Partnership near Munster on Oct 17, 2024. The reported release was crude oil.
Federal pipeline records list an incident involving Amoco Oil Co near Munster on Aug 17, 2010. The reported release was a liquid petroleum product.