The Power of Information

National Drinking Water Database

Tritium in Pennsylvania

Tritium is a pollutant from commercial nuclear reactors, research reactors and government weapons production plants.

The Most Polluted Communities in Pennsylvania

6 water utilities reported detecting Tritium in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Tritium level

RankSystem Population Served Positive test results of total reported tests Average Level
1Midland Boro Muni Auth
Midland, PA
3,1943 of 41625.7 pCi/L
(0 to 5707 pCi/L)
2Westmoreland Co MA Yough Plant
Greensburg, PA
181,9191 of 1420 pCi/L
(420 pCi/L)
3Phoenixville Water Dept
Phoenixville, PA
16,4382 of 4316.68 pCi/L
(0 to 759 pCi/L)
4Penn State Univ.
University Park, PA
37,0003 of 5300.7 pCi/L
(0 to 691.5 pCi/L)
5Mifflin Twp Water Authority
Mifflinville, PA
9001 of 229.35 pCi/L
(0 to 58.7 pCi/L)
6PA American Water Company
Reading, PA
44,0001 of 712.38 pCi/L
(0 to 86.67 pCi/L)

Health Based Limits for Tritium

There are no health based standards that EWG is using for this chemical

Violation Summary for Tritium in Pennsylvania

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in Pennsylvania since 2004

Violation TypeNumber of Violations
Failure to monitor regularly2