Know Your Environment. Protect Your Health.

Strontium

City of Forest Grove

Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0311 ppb12120.0250 ppb - 0.0380 ppb
20140.0240 ppb440.0200 ppb - 0.0330 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,500 ppb

The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.

ppb = parts per billion

All test results

Date Lab ID Result
2013-04-1728121040.0360 ppb
2013-04-1728121000.0260 ppb
2013-04-1728121320.0360 ppb
2013-04-1728121300.0250 ppb
2013-07-1728633270.0350 ppb
2013-07-1728633700.0290 ppb
2013-07-1728633610.0280 ppb
2013-07-1728633530.0290 ppb
2013-10-16WA97-SE3-13-19894-451800.0374 ppb
2013-10-16WA97-SE3-13-19894-451790.0267 ppb
2013-10-16WA97-SE3-13-19894-451820.0380 ppb
2013-10-16WA97-SE3-13-19894-451810.0272 ppb
2014-01-22WA97-SE4-14-01308-34220.0330 ppb
2014-01-22WA97-SE4-14-01308-34210.0200 ppb
2014-01-22WA97-SE4-14-01308-34230.0200 ppb
2014-01-22WA97-SE4-14-01308-34240.0230 ppb