- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 1 of 4 samples, average 2.27 µg/L, highest 9.1 µg/L (EPA UCMR 5 testing, Feb 2023–Nov 2023)
Public EPA test results
What EPA records show for Cranberry TWP WTP
EPA system ID PA5100094 · serves Butler County, PA · about 42,000 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
Cranberry TWP WTP (EPA PA5100094)
What EPA records show for Cranberry TWP WTP, as of October 14, 2026
Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jan 2026–Jun 2026 (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 0.53 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jun 1, 2025–Sep 30, 2025). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Cranberry TWP WTP use chloramine?
We didn't find chloramine in Cranberry TWP WTP's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)