The Power of Information

National Drinking Water Database

Strontium-90 in Pennsylvania

Strontium-90 is a radioactive pollutant from nuclear fallout and possibly weapons and power production.

The Most Polluted Communities in Pennsylvania

6 water utilities reported detecting Strontium-90 in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Strontium-90 level

RankSystem Population Served Positive test results of total reported tests Average Level
1Penn State Univ.
University Park, PA
37,0001 of 40.64 pCi/L
(0 to 2.55 pCi/L)
2Erie City Water Authority
Erie, PA
180,0001 of 10.43 pCi/L
(0.43 pCi/L)
3Westmoreland Co MA Yough Plant
Greensburg, PA
181,9191 of 10.3 pCi/L
(0.3 pCi/L)
Spring City, PA
802 of 30.13 pCi/L
(-0.02 to 0.28 pCi/L)
5Midland Boro Muni Auth
Midland, PA
3,1941 of 40.11 pCi/L
(0 to 0.44 pCi/L)
6PA American Water Company
Reading, PA
44,0001 of 60.03 pCi/L
(0 to 0.19 pCi/L)

Health Based Limits for Strontium-90

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

Violation Summary for Strontium-90 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