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Review government records associated with Newark, Delaware.
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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 Newark, DE from EPA SDWIS.
Newark Water Department
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 40,000 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Mar 2023 to Dec 2023.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
6 PFAS sample results above EPA limits
Sample period: Mar 2023 to Oct 2023
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOA | 0.0253 | 0.0040 | 2023-07-07 | Yes |
| PFOA | 0.0200 | 0.0040 | 2023-10-27 | Yes |
| PFOS | 0.0075 | 0.0040 | 2023-07-07 | Yes |
| PFOS | 0.0073 | 0.0040 | 2023-10-27 | Yes |
| PFOA | 0.0048 | 0.0040 | 2023-09-14 | Yes |
| PFOA | 0.0041 | 0.0040 | 2023-03-14 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Newark drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Upper Christina River
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pathogens, Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Ecological, Fishconsumption, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 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.
New Castle County
Assessment year: 2020
According to EPA, a cancer risk of 40-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 40 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.
New Castle County, DE: 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.
Philadelphia-Wilmington
PM2.5 · PM-2.5 (1997 Standard)
Classification: Moderate
Original designation: Apr 2005
Current design value: 10.6 µg/m³ (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.
Philadelphia-Wilmington-Atlantic City Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Nonattainment (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.
Annual mean: 0.042 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Bellefonte River Road Park
Annual mean: 8.2 Micrograms/cubic meter (LC)
Observation year: 2025
Bellevue State Park, Field in Se Portion of Park
Annual mean: 0.5 Parts per billion
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Aearo Technologies LLC
Reported: 2024
Dupont Electronic Materials Cmp LLC B2 B3 B8
Reported: 2024
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110046428308
Reported: Nov 2021
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO3 sites with active cleanup or investigation status
500 550 South College Avenue, Newark
Reported: Feb 2026
Cleveland Avenue, Newark
Reported: Feb 2026
225 Paper Mill Road, Newark
Reported: Feb 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.
Active RCRA handler records in the reviewed city search area
Release reports
Reported: Dec 2021
Data from EPA UST Finder
Reviewed: reporting year 2024
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 FUDSSites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
New Castle County, DE
EPA Radon Zone Map (June 2024 release)
New Castle 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.
No FEMA flood-zone records shown for this report.
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.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
New Castle County, DelawarePop. 575,494
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 | 8,386 | 8,590 | 7,972 |
| Poor or Fair Health | 13.4% | 14.0% | 14.2% |
| Poor Physical Health Days | 3.1 | 3.3 | 3.3 |
| Poor Mental Health Days | 4.7 | 4.4 | 4.8 |
| Adult Smoking | 13.8% | 14.3% | 15.0% |
| Adult Obesity | 34.6% | 33.8% | 34.0% |
| Air Pollution - Particulate Matter | 8.6 | 7.6 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 10.1% | 9.9% | 9.6% |
| Life Expectancy | 77.4 | 77.4 | 77.6 |
EPA testing found PFAS in water samples from Newark Water Department. Results dated Mar 14, 2023 to Dec 6, 2023 include PFOA at 0.004 to 0.0253 micrograms per liter and PFHxA at 0.0031 to 0.0132 micrograms per liter.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Newark Water Department.
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 Newark.
The monitoring station at Bcsp recorded an annual average of 0.042 Parts per million for ozone in 2025.
The monitoring station at Bellefonte River Road Park recorded an annual average of 8.2 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Bellevue State Park, Field in Se Portion of Park recorded an annual average of 0.5 Parts per billion for sulfur dioxide in 2025.
The radon data for Newark covers New Castle County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
This city report shows 1 Superfund site: Newark South Ground Water Plume.
This city report shows 3 brownfield sites: Chrysler Newark Assembly Plant; Cleveland Heights; Curtis Paper Mill.
View on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Newark reports a life expectancy of 77.4 years in New Castle County, Delaware.
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 Newark reports 8,386 years of life lost to deaths before age 75 per 100,000 residents in New Castle County, Delaware. 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 Newark lists fine-particle pollution (PM2.5) at 8.6 micrograms per cubic meter in New Castle County, Delaware.
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 Delmarva Power & Light Company near Newark on Dec 1, 2014. The reported release was natural gas.