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Review government records associated with Conshohocken, Pennsylvania.
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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 Conshohocken, PA from EPA SDWIS.
Philadelphia Water Department
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 1,600,000 people
Aqua Pa Main System
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 822,600 people
North Wales Water Authority
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 72,496 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 Jan 2024 to Mar 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
88 PFAS sample results above EPA limits
Sample period: Jan 2024 to Mar 2025
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 | 0.0081 | 0.0040 | 2024-08-05 | Yes |
| PFOA | 0.0076 | 0.0040 | 2024-10-07 | Yes |
| PFOA | 0.0074 | 0.0040 | 2024-08-05 | Yes |
| PFOA | 0.0074 | 0.0040 | 2024-01-08 | Yes |
| PFOA | 0.0071 | 0.0040 | 2024-10-07 | Yes |
| PFOA | 0.0068 | 0.0040 | 2024-04-08 | Yes |
| PFOS | 0.0060 | 0.0040 | 2024-08-05 | Yes |
| PFOA | 0.0060 | 0.0040 | 2024-04-08 | Yes |
| PFOS | 0.0052 | 0.0040 | 2024-08-05 | Yes |
| PFOA | 0.0050 | 0.0040 | 2024-01-08 | Yes |
| PFOS | 0.0048 | 0.0040 | 2024-01-08 | Yes |
| PFOS | 0.0047 | 0.0040 | 2024-04-08 | Yes |
| PFOS | 0.0047 | 0.0040 | 2024-10-07 | Yes |
| PFOS | 0.0045 | 0.0040 | 2024-10-07 | Yes |
| PFOA | 0.0126 | 0.0040 | 2024-08-20 | Yes |
| PFNA | 0.0120 | 0.0100 | 2024-11-05 | Yes |
| PFOA | 0.0110 | 0.0040 | 2024-02-07 | Yes |
| PFOA | 0.0105 | 0.0040 | 2024-08-20 | Yes |
| PFOA | 0.0101 | 0.0040 | 2024-11-14 | Yes |
| PFOA | 0.0096 | 0.0040 | 2024-05-30 | Yes |
| PFOA | 0.0095 | 0.0040 | 2024-02-28 | Yes |
| PFOA | 0.0094 | 0.0040 | 2024-08-13 | Yes |
| PFOA | 0.0093 | 0.0040 | 2024-11-05 | Yes |
| PFOS | 0.0092 | 0.0040 | 2024-08-20 | Yes |
| PFOA | 0.0091 | 0.0040 | 2024-02-01 | Yes |
| PFOA | 0.0090 | 0.0040 | 2024-08-20 | Yes |
| PFOA | 0.0087 | 0.0040 | 2024-08-13 | Yes |
| PFOS | 0.0086 | 0.0040 | 2024-02-28 | Yes |
| PFOS | 0.0082 | 0.0040 | 2024-05-30 | Yes |
| PFOS | 0.0074 | 0.0040 | 2024-08-12 | Yes |
| PFOA | 0.0071 | 0.0040 | 2024-08-14 | Yes |
| PFOA | 0.0071 | 0.0040 | 2024-08-12 | Yes |
| PFOA | 0.0071 | 0.0040 | 2024-02-01 | Yes |
| PFOA | 0.0070 | 0.0040 | 2024-02-07 | Yes |
| PFOS | 0.0070 | 0.0040 | 2024-02-01 | Yes |
| PFOA | 0.0069 | 0.0040 | 2024-02-05 | Yes |
| PFOS | 0.0068 | 0.0040 | 2024-08-20 | Yes |
| PFOA | 0.0066 | 0.0040 | 2024-12-03 | Yes |
| PFOS | 0.0066 | 0.0040 | 2024-02-07 | Yes |
| PFOA | 0.0064 | 0.0040 | 2024-02-06 | Yes |
| PFOA | 0.0064 | 0.0040 | 2024-05-07 | Yes |
| PFOS | 0.0063 | 0.0040 | 2024-08-20 | Yes |
| PFOA | 0.0060 | 0.0040 | 2024-08-07 | Yes |
| PFOA | 0.0058 | 0.0040 | 2024-11-05 | Yes |
| PFOA | 0.0057 | 0.0040 | 2024-02-01 | Yes |
| PFOS | 0.0054 | 0.0040 | 2024-08-13 | Yes |
| PFOA | 0.0052 | 0.0040 | 2024-08-13 | Yes |
| PFOS | 0.0050 | 0.0040 | 2024-09-10 | Yes |
| PFOA | 0.0049 | 0.0040 | 2024-09-10 | Yes |
| PFOA | 0.0049 | 0.0040 | 2024-08-14 | Yes |
| PFOA | 0.0049 | 0.0040 | 2024-02-01 | Yes |
| PFOA | 0.0048 | 0.0040 | 2024-02-02 | Yes |
| PFOS | 0.0047 | 0.0040 | 2024-02-07 | Yes |
| PFOA | 0.0047 | 0.0040 | 2024-11-19 | Yes |
| PFOA | 0.0046 | 0.0040 | 2024-08-19 | Yes |
| PFOS | 0.0046 | 0.0040 | 2024-02-01 | Yes |
| PFOA | 0.0045 | 0.0040 | 2024-08-20 | Yes |
| PFOA | 0.0045 | 0.0040 | 2024-05-01 | Yes |
| PFOA | 0.0044 | 0.0040 | 2024-02-01 | Yes |
| PFOS | 0.0044 | 0.0040 | 2024-08-07 | Yes |
| PFOA | 0.0043 | 0.0040 | 2024-03-14 | Yes |
| PFOA | 0.0042 | 0.0040 | 2024-08-12 | Yes |
| PFOS | 0.0042 | 0.0040 | 2024-08-12 | Yes |
| PFOS | 0.0042 | 0.0040 | 2024-02-02 | Yes |
| PFOS | 0.0041 | 0.0040 | 2024-02-01 | Yes |
| PFOA | 0.0130 | 0.0040 | 2024-08-14 | Yes |
| PFOA | 0.0114 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0113 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0111 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0108 | 0.0040 | 2025-02-11 | Yes |
| PFOS | 0.0104 | 0.0040 | 2024-08-14 | Yes |
| PFOA | 0.0100 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0095 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0095 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0091 | 0.0040 | 2024-08-14 | Yes |
| PFOA | 0.0083 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0082 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0079 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0078 | 0.0040 | 2024-08-14 | Yes |
| PFOA | 0.0077 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0075 | 0.0040 | 2025-03-19 | Yes |
| PFOS | 0.0062 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0059 | 0.0040 | 2025-02-11 | Yes |
| PFOS | 0.0057 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0056 | 0.0040 | 2025-02-11 | Yes |
| PFOA | 0.0054 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0052 | 0.0040 | 2024-08-14 | Yes |
| PFOS | 0.0050 | 0.0040 | 2025-03-19 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Conshohocken 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.
Plymouth Creek-Schuylkill River
Reported: Nov 2026
Health-relevant causes: Pathogens, 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.
Violation records
Last inspected: Dec 2025
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.
Montgomery 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 designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Philadelphia-Wilmington-Atlantic City: 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 (2006 Standard)
Classification: Moderate
Original designation: Dec 2009
Current design value: 28 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 · 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.
Air Management Services Laboratory (Ams Lab) — Philadelphia, Pennsylvania
Annual mean: 0.043 Parts per million
EPA primary exceedance count: 3 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 9.6 Micrograms/cubic meter (LC)
Observation year: 2025
Annual mean: 0.042 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
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.
Air Violations
Last inspected: Dec 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Cleveland-Cliffs Plate LLC Conshohocken Facility
Reported: 2024
Coopers Creek Chemical Corp
Reported: 2024
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
730 Fayette Street, Conshohocken
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
No MSHA mine or extraction site records shown for this report.
Montgomery County, PA
EPA Radon Zone Map (June 2024 release)
Montgomery County is EPA Radon Zone 1 (highest potential). EPA defines Zone 1 counties as having predicted average indoor screening levels above 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.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Montgomery County, PennsylvaniaPop. 864,683
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 | 5,425 | 8,032 | 7,972 |
| Poor or Fair Health | 11.7% | 14.7% | 14.2% |
| Poor Physical Health Days | 3.0 | 3.4 | 3.3 |
| Poor Mental Health Days | 4.7 | 4.7 | 4.8 |
| Adult Smoking | 12.6% | 14.9% | 15.0% |
| Adult Obesity | 30.5% | 33.3% | 34.0% |
| Air Pollution - Particulate Matter | 7.6 | 8.5 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 7.6% | 9.4% | 9.6% |
| Life Expectancy | 80.1 | 77.3 | 77.6 |
EPA testing found PFAS in water samples from Philadelphia Water Department. Results dated Jan 8, 2024 to Oct 7, 2024 include PFBS at 0.0036 to 0.01 micrograms per liter and PFPeA at 0.0038 to 0.0099 micrograms per liter.
EPA testing found PFAS in water samples from Aqua Pa Main System. Results dated Feb 1, 2024 to Dec 11, 2024 include PFPeA at 0.003 to 0.0218 micrograms per liter and PFHxA at 0.003 to 0.0172 micrograms per liter.
EPA testing found PFAS in water samples from North Wales Water Authority. Results dated Aug 14, 2024 to Mar 19, 2025 include PFOA at 0.0054 to 0.013 micrograms per liter and PFOS at 0.005 to 0.0111 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for Philadelphia Water Department.
EPA drinking water records on this page list 43 violations for Aqua Pa Main System.
EPA drinking water records on this page list 13 violations for North Wales Water Authority.
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 Conshohocken.
The monitoring station at Air Management Services Laboratory (Ams Lab), Philadelphia, Pennsylvania recorded an annual average of 0.043 Parts per million for ozone in 2025.
The monitoring station at Air Management Services Laboratory (Ams Lab), Philadelphia, Pennsylvania recorded an annual average of 9.6 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Bcsp recorded an annual average of 0.042 Parts per million for ozone in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Conshohocken covers Montgomery County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 1 brownfield site: Former Lee Mansion.
The county data for Conshohocken reports a life expectancy of 80.1 years in Montgomery County, Pennsylvania.
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 Conshohocken reports 5,425 years of life lost to deaths before age 75 per 100,000 residents in Montgomery County, Pennsylvania. 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 Conshohocken lists fine-particle pollution (PM2.5) at 7.6 micrograms per cubic meter in Montgomery County, Pennsylvania.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.