ZIP 18991: Warminster, PA Tap Water
ZIP 18991 is in the Warminster, PA area, most likely served by WARMINSTER MUNICIPAL AUTHORITY. A ZIP is a postal boundary, not a service area, so confirm your supplier on your water bill.
Test results for WARMINSTER MUNICIPAL AUTHORITY
Results describe the water system, not a specific tap in ZIP 18991. Each bar marks the listed reference for that substance.
- above a listed reference
- 0
- detected, within reference or no limit
- 2
- aesthetic measures
- 0
- tested, not detected
- 29
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 29Hide list
- 11Cl-PF3OUdS
- 4:2 FTS
- 6:2 FTS
- 8:2 FTS
- 9Cl-PF3ONS
- ADONA
- HFPO-DA (GenX)
- NEtFOSAA
- NFDHA
- NMeFOSAA
- PFBS
- PFDA
- PFDoA
- PFEESA
- PFHpA
- PFHpS
- PFHxA
- PFHxS
- PFMBA
- PFMPA
- PFNA
- PFOA
- PFOS
- PFPeS
- PFTA
- PFTrDA
- PFUnA
- Lithium
- Lead (90th percentile)
Go from this record to a decision.
Nothing here is above its listed reference. Lead mostly enters from building plumbing, which this system-level record can’t see.
- UNDERSTANDThe Warminster 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 53 or 58, with PFBA/PFPeA named on the listing.
See treatment → - TESTTest your own tap
The only way to see what your building adds.
How to test →
Frequently asked
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Follow ZIP 18991's water →Which water system serves ZIP 18991?
The public system on record for ZIP 18991 (Warminster, PA) is WARMINSTER MUNICIPAL AUTHORITY. A ZIP is a postal boundary, not a service area. Confirm your supplier on your water bill.
Is the water in ZIP 18991 the same as Warminster's?
ZIP 18991 falls within the Warminster, 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 18991?
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.