ZIP 19381: West Chester, PA Tap Water
ZIP 19381 is in the West Chester, PA area, most likely served by AQUA PA WEST CHESTER. A ZIP is a postal boundary, not a service area, so confirm your supplier on your water bill.
Test results for AQUA PA WEST CHESTER
Results describe the water system, not a specific tap in ZIP 19381. Each bar marks the listed reference for that substance.
- above a listed reference
- 1
- detected, within reference or no limit
- 4
- aesthetic measures
- 0
- tested, not detected
- 26
- PFOAPerfluorooctanoic acid (PFOA)5.9ng/L4.0 ng/L federal MCL (2024)Above limit · EPA UCMR 5 · 2024Evidence
- PFBSPerfluorobutanesulfonic acid (PFBS)3.6ng/L2,000 ng/L EPA health advisory (screening, not a legal limit)Below the listed reference · EPA UCMR 5 · 2024Evidence
- PFHxAPerfluorohexanoic acid (PFHxA)7.2ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Below the listed reference · EPA UCMR 5 · 2024Evidence
- PFBAPerfluorobutanoic acid (PFBA)5.7ng/LNo federal or state limit; shown for transparencyNo federal or state limit · EPA UCMR 5 · 2024Evidence
- PFPeAPerfluoropentanoic acid (PFPeA)7.4ng/LNo federal or state limit; shown for transparencyNo federal or state limit · EPA UCMR 5 · 2024Evidence
Not measured: no utility report on file. Hardness affects fixtures and appliances, not health.
Below each lab’s reporting limit. A result, not zero, and it covers only what was tested.
Show all 26Hide list
- 11Cl-PF3OUdS
- 4:2 FTS
- 6:2 FTS
- 8:2 FTS
- 9Cl-PF3ONS
- ADONA
- HFPO-DA (GenX)
- NEtFOSAA
- NFDHA
- NMeFOSAA
- PFDA
- PFDoA
- PFEESA
- PFHpA
- PFHpS
- PFHxS
- PFMBA
- PFMPA
- PFNA
- PFOS
- PFPeS
- PFTA
- PFTrDA
- PFUnA
- Lithium
- Lead (90th percentile)
Go from this record to a decision.
One result is above its listed reference. Lead mostly enters from building plumbing, which this system-level record can’t see.
- UNDERSTANDThe West Chester city report
The same system record, with every finding and its source.
Open city report → - SOLVETreatment for PFAS
Reverse osmosis, or carbon certified for PFAS. Check for NSF/ANSI 58 or 53, with PFOA/PFBS/PFHxA/PFBA/PFPeA named on the listing.
See treatment → - TESTTest your own tap
The only way to see what your building adds.
How to test →
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Which water system serves ZIP 19381?
The public system on record for ZIP 19381 (West Chester, PA) is AQUA PA WEST CHESTER. A ZIP is a postal boundary, not a service area. Confirm your supplier on your water bill.
Is the water in ZIP 19381 the same as West Chester's?
ZIP 19381 falls within the West Chester, PA area, but a ZIP code can span more than one utility. Read the serving system's own record for the results that apply to your address.
How do I find the exact water system for ZIP 19381?
Check the utility name on your water bill, or resolve it from your street address with Find My Water. The ZIP-level view lists candidate systems, not a confirmed household match.