ZipCheckup grade for 18901: F.
Lowest grade in federal records; check your home directly.
Your top priority: see the breakdown below and consider a certified water filter. Check your ZIP → NSF certified filters
Doylestown, PA (18901): PFAS Above 2029 MCL Level - 36/100
EPA data combined for 7 water systems mapped to this ZIP (largest mapped system: Dtma Main System)
EPA records for the water systems mapped to 18901 in Doylestown, PA contain 42 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 42 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
- Flood 49 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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Doylestown (18901): one critical alert.
Score Breakdown
Overall Home Safety Score: 36/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) HIGH
Your Water System
ZIP code 18901 in Doylestown, Pennsylvania is mapped to the water system Dtma Main System (EPA ID: PA1090128). This system provides water to approximately 8,655 people from surface water sources.
There are 7 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Dtma Main System | PA1090128 | 8,655 | Surface water |
| Doylestown Boro Water Department | PA1090081 | 8,700 | Groundwater |
| Aqua Pa Chalfont | PA1090005 | 5,900 | Groundwater |
| Neshaminy Manor Center | PA1090093 | 2,100 | Surface water |
| Nwwa Olde Colonial Greene | PA1090097 | 900 | Groundwater |
Other Water Quality Reports in Pennsylvania
- 15001 (Aliquippa) - 43 violations recorded for mapped water systems
- 15003 (Ambridge) - 16 violations recorded for mapped water systems
- 15004 (Atlasburg)
- 15005 (Baden) - 18 violations recorded for mapped water systems
- 15006 (Bairdford)
- 15007 (Bakerstown) - 2 violations recorded for mapped water systems
- 15009 (Beaver) - 62 violations recorded for mapped water systems
- 15010 (Beaver Falls) - 27 violations recorded for mapped water systems
- 15012 (Belle Vernon) - 75 violations recorded for mapped water systems
- 15014 (Brackenridge) - 1 violation recorded for mapped water systems
- 15015 (Bradfordwoods) - 2 violations recorded for mapped water systems
- 15017 (Bridgeville)
- 15018 (Buena Vista)
- 15019 (Bulger)
- 15020 (Bunola) - 8 violations recorded for mapped water systems
- 15021 (Burgettstown)
- 15022 (Charleroi) - 4 violations recorded for mapped water systems
- 15024 (Cheswick) - 8 violations recorded for mapped water systems
- 15025 (Clairton)
- 15026 (Clinton) - 18 violations recorded for mapped water systems
Nearby Water Quality Reports
- 18931 (Lahaska) - 3 mi
- 18933 (Lumberville) - 3 mi
- 18991 (Warminster) - 3 mi
- 18916 (Danboro) - 3 mi
- 18914 (Chalfont) - 4 mi - 168 violations recorded for mapped water systems
- 18923 (Fountainville) - 4 mi - 9 violations recorded for mapped water systems
- 18902 (Doylestown) - 4 mi - 74 violations recorded for mapped water systems
- 18976 (Warrington) - 4 mi - 35 violations recorded for mapped water systems
- 18929 (Jamison) - 4 mi - 6 violations recorded for mapped water systems
- 18925 (Furlong) - 4 mi - 46 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Dtma Main System (PA1090128) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 18901. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFOS, PFPeA, PFHxA, PFOA, PFBS, PFBA, PFNA, PFHpA, PFHxS, PFUnA.
Highest measured level: 0.019 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Health Risks from Detected Contaminants
Radium-226
High RiskEPA reference value: 5 pCi/L (MCL for combined Radium-226 & 228)
Increased cancer risk, including bone cancer (known carcinogen)
At-risk groups: people who drink water with radium above the MCL over many years
Treatment options (verify a product is certified to reduce this contaminant): ion exchange (water softener), reverse osmosis, lime softening · Find a filter →
Radium-228
High RiskEPA reference value: 5 pCi/L (MCL for combined Radium-226 & 228)
Increased cancer risk, including bone cancer (known carcinogen)
At-risk groups: people who drink water with radium above the MCL over many years
Treatment options (verify a product is certified to reduce this contaminant): ion exchange (water softener), reverse osmosis, lime softening · Find a filter →
Environmental Hazards (11) CRITICAL
Home & Infrastructure (8) MODERATE
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Doylestown
Based on local data for ZIP 18901, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Doylestown has 49 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 18901 was built around 1976. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Doylestown is 1976; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1976 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 18901 safe to drink?
EPA SDWIS records 42 violations since 2021 across the water systems mapped to ZIP 18901 (primary system: Dtma Main System), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 18901's water come from?
The recorded water source for Dtma Main System, a system mapped to ZIP code 18901, is Surface water. This system serves approximately 8,655 people.
How does Doylestown water compare to the national average?
Doylestown's Home Safety Score ranks lower than 99% of U.S. ZIP codes, and lower than 92% of ZIP codes within Pennsylvania.
How can I get my water tested in Doylestown?
If Dtma Main System supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 18901?
18901 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Bucks County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 18901's water?
Yes, PFAS have been detected in samples from water systems mapped to 18901. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 18901?
FEMA records contain 49 flood insurance claims filed in ZIP code 18901; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Doylestown, PA (18901): PFAS Above 2029 MCL Level - 36/100. https://zipcheckup.com/report/18901/
@misc{zipcheckup-report-18901,
author = {{ZipCheckup}},
title = {{Doylestown, PA (18901): PFAS Above 2029 MCL Level - 36/100}},
year = {2026},
url = {https://zipcheckup.com/report/18901/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 18901
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 18931 | Lahaska, PA | 2.9 mi | N/A | 0 |
| 18933 | Lumberville, PA | 2.9 mi | N/A | 0 |
| 18991 | Warminster, PA | 2.9 mi | N/A | 0 |
| 18916 | Danboro, PA | 3.5 mi | N/A | 0 |
| 18914 | Chalfont, PA | 3.7 mi | F | 168 |
| 18923 | Fountainville, PA | 3.8 mi | D | 9 |
| 18902 | Doylestown, PA | 4.0 mi | F | 74 |
| 18976 | Warrington, PA | 4.1 mi | F | 35 |
| 18929 | Jamison, PA | 4.4 mi | D | 6 |
| 18925 | Furlong, PA | 4.5 mi | F | 46 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
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Compare Tool →2026 Rankings
ZIP 18901 scores in the bottom tier nationally.