Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Strontium

City of La Porte

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20150.329 ppb28280.252 ppb - 0.368 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2015-02-24Q15071110130.324 ppb
2015-02-24Q15071110230.343 ppb
2015-02-24Q15071110190.334 ppb
2015-02-24Q15071110210.335 ppb
2015-02-24Q15071110070.283 ppb
2015-02-24Q15071110110.321 ppb
2015-02-24Q15071110170.338 ppb
2015-02-24Q15071110150.326 ppb
2015-02-24Q15071110050.256 ppb
2015-02-24Q15071110030.323 ppb
2015-02-24Q15071110010.332 ppb
2015-02-24Q15071110090.335 ppb
2015-05-19Q15182930010.252 ppb
2015-05-19Q15182930030.268 ppb
2015-08-17Q15324910090.355 ppb
2015-08-17Q15324910110.368 ppb
2015-08-17Q15324910130.356 ppb
2015-08-17Q15324910210.355 ppb
2015-08-17Q15324910150.358 ppb
2015-08-17Q15324910190.333 ppb
2015-08-17Q15324910230.358 ppb
2015-08-17Q15324910170.351 ppb
2015-08-17Q15324910010.350 ppb
2015-08-17Q15324910070.360 ppb
2015-08-17Q15324910030.367 ppb
2015-08-17Q15324910050.354 ppb
2015-11-17Q15451230030.290 ppb
2015-11-17Q15451230010.279 ppb